Emerson SR8 Data Sheet
Contents
1. 35 2 4 2770 74 5000 134 7480 200 10170 273 1600 43 2250 60 2970 80 4050 109 25 to 90 50 3 4 7100 190 13670 366 16760 449 19560 524 2880 77 4830 129 7000 188 9710 260 1 7 to 6 2 75 5 2 14310 384 28130 754 32240 864 35210 944 5020 135 9120 244 13700 367 19140 513 90 6 2 18640 500 36800 986 41520 1113 44600 1195 6300 169 11700 314 17730 475 24800 665 35 2 4 4390 118 6380 171 9500 255 14500 389 2200 59 3200 86 4400 118 5900 158 35 to 100 50 3 4 8130 218 13540 363 17810 477 22420 601 3230 87 5220 140 8050 216 11370 305 2 4 to 6 9 75 5 2 14370 385 25470 683 31660 848 35610 954 4940 132 8580 230 14140 379 20480 549 100 6 9 20600 552 37400 1002 45510 1220 48810 1308 6650 178 11940 320 20230 542 29600 793 75 5 2 16090 431 28300 758 33550 899 35600 954 9940 266 15430 414 19740 529 21630 580 MA 100 6 9 21360 572 40070 1074 44020 1180 45650 1223 13730 368 19400 520 27470 736 34480 924 125 8 6 32190 863 49830 1335 54270 1454 17060 457 25780 691 36860 988 Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded Table 6 Air Capacities continued2. SPRING SET Elastomer Diaphragm Metal Diaphragm RANGE PRESSURE PSIG bar PSIG bar NPS 1 2 DN 15 NPS 1 2 DN 15 10 20 30 40 10 20 30 40 2 0 14 6 4 2 9 8 3 3 8 10 4 5 12 5 4 T e 6 5 0 34 9 2 4 2 14 6 4 18 8 2 22 10 Not Available 8 0 55 12 5 4 20 9 1 27 12 32 15 5 0 34 7 2 3 3 10 4 5 13 5 9 18 8 2 5 3 2 4 6 2 2 8 7 1 3 2 8 4 3 8 rar 15 1 0 19 8 6 32 15 40 18 46 21 10 4 5 15 6 8 19 8 6 24 11 25 1 7 31 14 53 24 66 30 72 33 15 6 8 24 11 31 14 40 18 10 0 69 11 5 0 1862 25 11 32 15 7 5 3 4 9 3 4 2 12 5 4 14 6 4 15 1 0 17 7 7 9 13 37 17 44 20 10 4 5 13 5 9 18 8 2 22 10 id 69 00 5 4 30 2 1 37 17 64 29 72 33 80 36 17 7 7 25 11 37 17 47 21 45 3 1 57 26 99 45 110 50 110 50 24 11 37 17 56 25 71 32 50 3 4 64 29 110 50 120 54 120 54 27 12 41 19 62 28 80 36 35 2 4 33 15 56 25 77 35 92 42 19 8 6 28 13 38 17 50 23 35 to 100 50 3 4 50 23 85 39 110 50 120 54 27 12 43 20 60 27 79 36 2 4 to 6 9 75 5 2 78 35 130 59 160 73 170 77 41 19 68 31 96 44 130 59 100 6 9 110 50 180 82 210 95 220 100 55 25 93 42 130 59 180 82 75 5 2 120 54 150 68 160 73 170 77 91 41 120 54 130 59 14
3. ag 5 0 34 Not Available 8 0 55 bio 5 0 34 1 51 1 81 2 06 0 34 to 1 7 15 1 0 1 68 2 40 3 08 25 1 7 1 81 2 71 3 57 15 1 0 1 62 2 16 2 79 30 2 1 2 59 3 66 4 76 15 to 70 45 3 1 3 05 4 36 5 66 1 0 to 4 8 50 3 4 3 16 4 52 5 86 60 4 1 3 32 4 77 6 18 70 4 8 3 44 4 95 6 42 35 2 4 1 41 1 75 2 25 25 to 90 50 3 4 2 29 3 11 4 05 1 7 to 6 2 75 5 2 3 08 4 31 5 65 90 6 2 3 37 4 75 6 22 35 2 4 2 00 2 59 3 28 35 to 100 50 3 4 2 47 3 57 4 75 2 4 to 6 9 75 5 2 2 90 4 45 6 04 100 6 9 3 13 4 93 6 75 se DAGE 75 5 2 5 21 6 22 6 38 5 2 A 8 6 100 6 9 5 08 6 70 7 87 125 8 6 7 46 10 68 10 81 3 96 5 52 7 34 Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded Table 5 C Coefficients continued Cy AT BUILD UP SPRING RANGE SET Elastomer Diaphragm Metal Diaphragm PSIG bar PRESSURE NPS 2 DN 50 NPS 2 DN 50 PSIG bar 10 20 30 40 10 20 30 40 10 0 69 9 54 12 90 20 16 25 94 6 97 9 73 12 00 14 51 meg 15 1 0 13 77 25 30 30 19 30 19 9 10 11 66 14 20 17 37 25 1 7 19 87 30 19 30 19 30 19 9 39 12 66 16 48 19 66 15 1 0 12 16 17 45 24 11 28 98 6 97 9 67 11 54 12 29 n a 25 1 7 14 20 24 03 29 03 30 08 8 32 11 20 14 90 17 73 50 3 4 22 24 28 76 29 98 29 90 9 57 15 28 20 12 23 86 25 1 7 12 93 21 88 30 01 30 19 8 26 11 29 15 06 18 15 T ai 50 3 4 18 16 29 95 30 19 30 19 9 12 14 28 19 11 22 97 60 4 1 22 06 30 19 30 19 10 75 17 53 22 96 Shaded areas indicate condi
4. CAPACITIES IN SCFH Nm 3 h OF AIR AT BUILD UP SPRING RANGE SET Elastomer Diaphragm Metal Diaphragm PSIG bar ERE NPS 2 DN 50 NPS 2 DN 50 PSIG bar 10 20 30 40 10 20 30 40 10 0 69 6370 171 8950 240 14520 389 19370 519 4700 126 6830 183 8740 234 10960 294 B T 15 1 0 11190 300 21560 578 29180 782 30980 830 7480 200 10050 269 12810 343 16360 438 25 1 7 21920 587 38350 1028 41540 1113 43490 1166 10470 281 14970 401 20580 552 25870 693 15 1 0 9880 265 14880 399 21500 576 26990 723 5730 154 8340 224 10410 279 11570 310 ne a 25 1 7 15660 420 28080 753 35840 961 39130 1049 9290 249 13240 355 18600 498 23320 625 50 3 4 40670 1090 56380 1511 62730 1681 66500 1782 17700 474 30300 812 42580 1141 53670 1438 25 1 7 14260 382 25580 686 37060 993 41230 1105 9210 247 13350 358 18800 504 23880 640 E pe 50 3 4 33210 890 58720 1574 64870 1739 68920 1847 16860 452 28320 759 40440 1084 51660 1384 60 4 1 56330 1509 83590 2240 89580 2401 27760 744 48800 1308 68490 1836 Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded Table 6 Air Capacities continued CAPACITIES IN SCFH Nm3 h OF AIR AT BUILD
5. 1339 4520 2052 5460 2479 1840 835 3050 1385 4090 1857 Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded 14 Table 8 Liquid Capacities Bulletin 71 4 SR8 CAPACITIES IN GPM l min WATER AT BUILD UP SPRING SET Elastomer Diaphragm Metal Diaphragm RANGE PRESSURE PSIG bar PSIG bar NPS 1 2 DN 15 NPS 1 2 DN 15 10 20 30 40 10 20 30 40 2 0 14 0 7 2 6 0 9 3 4 1 1 4 2 1 2 4 5 a 7 er 5 0 34 1 1 4 2 1 6 6 1 2 1 7 9 2 6 9 8 Not Available 8 0 55 1 5 5 7 2 5 9 5 3 3 12 4 1 16 5 0 34 0 8 3 0 1 2 4 5 1 6 6 1 2 1 7 9 0 7 2 6 0 9 3 4 1 0 3 8 1 2 4 5 Mn 15 1 0 2 4 9 1 3 9 15 4 8 18 5 5 21 1 6 6 1 2 3 8 7 2 8 11 3 5 13 25 1 7 3 3 12 5 6 21 6 8 26 7 2 27 2 1 7 9 3 1 12 3 9 15 4 9 19 10 0 69 1 3 4 9 2 2 8 3 3 1 12 4 1 16 1 2 4 5 1 4 5 3 1 8 6 8 2 1 7 9 15 1 0 2 2 8 3 3 6 14 4 4 17 5 2 20 1 5 5 7 2 0 7 6 2 6 9 8 3 2 12 icons 30 2 1 3 8 14 3 24 6 9 26 7 5 28 2 1 7 9 3 1 12 4 3 16 5 4 20 45 3 1 5 0 19 4 32 8 7 33 9 0 34 2 6 10 3 9 15 5 6 21 7 0 26 50 3 4 5 4 20 8 33 9 1 34 9 4 36 2 8 11 4 1 16 6 0 23 7 5 28 35 2 4 3 2 12 2 20 7 0 26
6. 170 77 300 136 350 159 370 168 66 30 98 44 140 64 190 86 100 6 9 240 109 420 191 450 204 480 218 89 40 130 59 200 91 270 123 75 5 2 160 73 300 136 340 154 370 168 99 45 170 77 220 100 250 114 Ene 100 6 9 250 114 420 191 450 204 480 218 130 59 180 82 270 123 350 159 125 8 6 340 154 520 236 550 250 160 73 240 109 350 159 Shaded areas indicate conditions where maximum differential pressure for he spring range is exceeded 12 Table 7 Steam Capacities continued Bulletin 71 4 SR8 SPRING SET CAPACITIES IN POUNDS PER HOUR kg h SATURATED STEAM AT BUILD UP RANGE PRESSURE Elastomer Diaphragm Metal Diaphragm PSIG bar PSIG bar NPS 1 DN 25 NPS 1 DN 25 10 20 30 40 10 20 30 40 2 0 14 27 12 39 18 49 22 70 32 Wins es 5 0 34 42 19 75 34 110 50 150 68 Not Available 8 0 55 62 28 110 50 160 73 210 95 5 0 34 32 15 43 20 57 26 75 34 24 11 30 14 38 17 45 20 hagen 15 1 0 65 30 120 54 190 86 240 109 42 19 61 28 89 40 120 54 25 1 7 110 50 220 100 350 159 440 200 62 28 93 42 140 64 200 91 5 1 0 46 21 88 40 140 64 190
7. 220 100 340 154 460 209 1 7 to 6 2 75 5 2 320 145 660 300 990 449 1140 518 230 104 420 191 640 291 870 395 90 6 2 400 182 860 390 1250 568 1340 608 290 132 540 245 820 372 1110 504 35 2 4 110 50 190 86 290 132 400 182 80 36 120 54 170 77 220 100 35 to 100 50 3 4 190 86 350 159 540 245 680 309 130 59 220 100 330 150 450 204 2 4 to 6 9 75 5 2 320 145 620 281 970 440 1140 518 220 100 400 182 610 277 810 368 100 6 9 440 200 890 404 1380 627 1470 667 310 141 570 259 880 400 1180 536 75 5 2 670 304 900 409 1050 477 1140 518 410 186 660 300 840 381 910 413 anaes 100 6 9 850 386 1270 577 1380 627 1470 667 560 254 890 404 1060 481 1340 608 125 8 6 1230 558 1570 713 1690 767 690 313 1010 459 1470 667 Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded 13 Bulletin 71 4 SR8 Table 7 Steam Capacities continued Table 7 Steam Capacities continued Shaded areas indicate conditions where maximum differential pressure for the spring range is exceede
8. 4 4 17 5 8 22 7 7 29 2 4 9 1 3 1 12 3 9 15 4 7 18 hea 15 1 0 6 9 26 13 49 20 76 25 95 4 5 17 6 4 24 9 4 36 13 49 25 1 7 11 42 21 79 32 121 40 151 6 1 23 8 8 33 13 49 18 68 15 1 0 4 8 18 3 35 15 57 20 76 2 16 6 21 4 28 7 37 30 2 1 11 42 23 3 87 30 114 5 132 7 33 3 49 19 9 72 24 4 81 15 to 70 45 3 1 16 61 2 121 1 155 7 178 2 45 9 72 7 102 5 132 1 0 to 4 8 50 3 4 17 64 5 132 4 167 50 189 3 49 20 76 29 110 8 144 60 4 1 19 72 0 151 50 189 56 212 4 53 23 87 3 125 3 163 70 4 8 21 79 45 170 55 208 60 227 16 61 25 95 37 140 48 182 35 2 4 6 2 23 10 38 15 57 21 79 5 8 22 8 2 31 12 45 16 61 25 to 90 50 3 4 12 45 22 83 32 121 38 144 9 1 34 15 57 22 83 29 110 1 7 to 6 2 75 5 2 18 68 37 140 54 204 60 227 13 49 24 91 35 132 46 174 90 6 2 22 83 45 170 65 246 67 254 6 61 ze 108 41 155 54 204 35 2 4 8 9 34 15 57 22 83 29 110 4 24 0 34 12 45 16 61 35 to 100 50 3 4 13 49 23 87 5 132 3 163 2 35 56 7 21 79 8 106 2 4 to 6 9 75 5 2 18 68 5 132 53 201 60 227 3 4 9 22 83 3 125 3 163 100 6 9 23 87 44 167 67 254 71 269 16 61 29 110 42 159 55 208 75 5 2 40 151 57 216 60 227 62 235 27 102 40 151 49 185 49 185 enter 100 6 9 52 197 66 250 68 257 71 269 29 110
9. 8 1 31 2 2 8 3 3 3 12 4 2 16 5 4 20 35 to 100 50 3 4 4 2 16 9 26 8 8 33 9 4 36 2 8 11 4 3 16 5 8 22 7 5 28 2 4 to 6 9 75 5 2 5 6 21 9 1 34 11 42 11 42 3 6 14 5 8 22 7 9 30 10 38 100 6 9 6 7 25 11 42 12 45 13 49 4 3 16 6 9 26 9 5 36 12 45 75 5 2 8 3 31 10 38 11 42 11 42 8 0 30 10 38 11 42 11 42 eo ee 100 6 9 9 2 35 12 45 12 45 13 49 8 9 34 12 45 12 45 13 49 125 8 6 11 42 13 49 13 49 9 2 35 13 49 14 53 Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded Table 8 Liquid Capacities continued CAPACITIES IN GPM l min WATER AT BUILD UP SPRING SET Elastomer Diaphragm Metal Diaphragm RANGE PRESSURE PSIG bar PSIG bar NPS 3 4 DN 20 NPS 3 4 DN 20 10 20 30 40 10 20 30 40 2 0 14 0 9 3 4 0 3 8 1 4 5 3 1 8 6 8 ea i oai 5 0 34 1 9 7 2 4 13 5 3 20 6 0 23 Not Available 8 0 55 3 1 12 0 23 9 5 36 10 38 5 0 34 1 4 5 3 2 1 7 9 3 0 11 3 8 14 1 2 4 5 1 4 5 3 1 6 6 1 2 0 7 6 reer 15 1 0 4 2 16 8 9 34 12 45 13 49 2 3 8 7 3 0 11 3 8 14 4 7 18 25 1 7 6 3 24 4 53 16 61 17 64 2 9 11 3 9 15 1 19 6 3 24 10 0 69 2 1 7 9 2 12 4 6 17 6 4 24 1 5 5 7 9 7 2 2 8 3 2 7 10 15 1 0 3 3 12 5 7 22 7 5 28 9 7 37 2 1 7 9 2 7 10 4 13 4 3 16 OL 30 2 1 5 8 22 11 42 13 49 16 61 3 1 12
10. 86 40 18 53 24 71 32 93 42 30 2 1 120 54 250 114 340 154 420 191 94 43 150 68 220 100 290 132 15 to 70 45 3 1 200 91 420 191 550 250 650 295 150 68 240 109 360 163 480 218 1 0 to 4 8 50 3 4 220 100 480 218 620 281 730 331 170 77 270 123 410 186 550 250 60 4 1 270 123 590 268 750 341 880 400 200 91 340 154 510 232 680 309 70 4 8 320 145 700 318 890 404 1010 459 240 109 400 182 600 272 810 368 35 2 4 71 32 120 54 180 82 260 118 66 30 97 44 140 64 190 86 25 to 90 50 3 4 150 68 300 136 450 204 550 250 120 54 200 91 310 141 420 191 1 7 to 6 2 75 5 2 290 132 600 272 900 409 1040 472 210 95 380 173 580 263 790 359 90 6 2 370 168 780 354 1170 531 1260 572 260 118 490 222 740 336 1010 459 35 2 4 100 45 170 77 270 123 370 168 73 33 110 50 150 68 200 91 35 to 100 50 3 4 170 77 320 145 500 227 620 281 120 54 200 91 300 136 400 182 2 4 to 6 9 75 5 2 290 132 560 254 880 400 1030 468 200 91 360 163 550 250 740 336 100 6 9 400 182 810 368 1260 572 1380 627 280 127 520 236 800 363 1080 490 75 5 2 630 286 920 418 1000 454 1070 486 420 191 640 291 810 368 840 381 Boned 100 6 9 910 413 1200 545 1290 586 1380 627 510 232 830 377 950 431 1150 522 125 8 6 1100 499 1470 667 1580 717 660 300 1
11. 0 1 29 2 39 3 64 4 64 1 13 1 44 1 83 2 30 30 2 1 2 24 4 43 5 66 6 52 1 74 2 56 3 54 4 48 15 to 70 45 3 1 2 70 5 40 6 60 7 38 2 04 3 09 4 33 5 48 1 0 to 4 8 50 3 4 2 80 5 62 6 81 7 58 2 10 3 21 4 51 5 70 60 4 1 2 97 5 96 7 14 7 60 2 21 3 40 4 79 6 05 70 4 8 3 10 6 22 7 39 7 60 2 29 3 55 5 00 6 31 35 2 4 1 17 1 86 2 65 3 61 1 10 1 51 2 07 2 69 25 to 90 50 3 4 1 91 3 52 4 98 5 74 1 51 2 40 3 37 4 34 1 7 to 6 2 75 5 2 2 59 5 03 7 06 7 60 1 88 3 19 4 53 5 80 90 6 2 2 84 5 57 7 60 7 60 2 02 3 48 4 95 6 32 35 2 4 1 69 2 68 3 89 5 08 1 21 1 65 2 20 2 81 35 to 100 50 3 4 2 16 3 75 5 47 6 40 1 53 2 38 3 32 4 20 2 4 to 6 9 75 5 2 2 59 4 71 6 87 7 57 1 83 3 04 4 31 5 43 100 6 9 2 83 5 25 7 60 7 60 1 99 3 40 4 86 6 10 75 5 2 5 49 6 87 7 45 7 60 3 38 5 05 6 01 6 05 ose 100 6 9 5 44 7 52 7 60 7 60 3 58 5 25 5 87 6 92 125 8 6 6 42 7 60 7 60 3 64 4 91 6 63 Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded Bulletin 71 4 SR8 Table 5 C Coefficients continued Cy AT BUILD UP SPRING RANGE SET Elastomer Diaphragm Metal Diaphragm PSIG bar EE NPS 1 1 2 DN 40 NPS 1 1 2 DN 40 PSIG bar 10 20 30 40 10 20 30 40 2 0 14
12. 15 10 0 69 0 62 0 92 1 28 1 70 0 47 0 55 0 62 0 73 15 1 0 0 80 1 35 1 70 2 11 0 51 0 65 0 78 0 93 10 to 50 0 69 to 3 4 30 2 1 1 09 2 02 2 34 2 72 0 59 0 80 1 02 1 23 45 3 1 1 23 2 34 2 64 3 00 0 62 0 87 1 13 1 37 50 3 4 1 26 2 41 2 70 3 06 0 63 0 88 1 16 1 40 35 2 4 0 91 1 83 2 71 3 10 0 56 0 73 0 89 1 06 35 to 100 50 3 4 1 34 2 36 3 00 3 10 0 62 0 83 1 09 1 35 2 4 to 6 9 75 5 2 1 72 2 83 3 10 3 10 0 67 0 93 1 27 1 59 100 6 9 1 94 3 10 3 10 3 10 0 70 0 98 1 36 1 73 75 5 2 1 66 2 80 3 04 3 10 1 01 1 58 1 92 2 10 75 to 125 5 2 to 8 6 100 6 9 1 96 3 10 3 10 3 10 1 01 1 33 1 85 2 21 125 8 6 2 21 3 10 3 10 1 01 1 47 1 96 Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded Table 5 C Coefficients continued Bulletin 71 4 SR8 Cy AT BUILD UP SPRING SET Elastomer Diaphragm Metal Diaphragm RANGE PRESSURE PSIG bar PSIG bar NPS 1 DN 25 NPS 1 DN 25 10 20 30 40 10 20 30 40 2 0 14 1 79 2 48 3 02 4 13 Gia a 5 0 34 1 82 3 14 4 37 5 75 Not Available 8 0 55 2 18 3 70 5 29 6 57 ul 34 1 37 1 79 2 28 2 91 1 03 1 25 1 53 1 76 ode 5 1 0 1 70 3 03 4 49 5 46 1 11 1 52 2 12 2 74 5 1 7 2 13 4 01 6 00 7 20 1 19 1 69 2 43 3 21 5 1 0 1 19 2 19 3 34 4 26 1 04 1 32 1 6
13. 45 170 50 189 59 223 125 8 6 57 216 73 276 76 288 34 129 52 197 61 231 Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded Table 8 Liquid Capacities continued CAPACITIES IN GPM l min WATER AT BUILD UP SPRING SET Elastomer Diaphragm Metal Diaphragm RANGE PRESSURE PSIG bar PSIG bar NPS 1 1 2 DN 40 Reduced Port NPS 1 1 2 DN 40 Reduced Port 10 20 30 40 10 20 30 40 2 0 14 2 9 11 4 2 16 5 3 20 7 6 29 0 am 5 0 34 4 7 18 8 4 32 2 45 17 64 Not Available 8 0 55 7 1 27 13 49 9 72 24 91 5 0 34 3 5 13 4 8 18 4 24 8 4 32 2 6 9 8 3 3 12 4 3 16 5 1 19 meea 15 1 0 7 5 28 14 53 2 83 27 102 4 9 19 7 0 26 10 38 14 53 25 1 7 11 42 22 83 sca 41 155 6 4 24 9 4 36 14 53 19 72 15 1 0 5 3 20 10 38 6 61 21 79 4 6 17 6 1 23 8 1 31 11 42 30 2 1 12 45 24 91 oa 21 38 144 9 2 35 14 53 20 76 26 98 15 to 70 45 3 1 17 64 34 129 3 163 50 189 12 45 20 76 28 106 37 140 1 0 to 4 8 50 3 4 18 68 37 140 7 178 53 201 13 49 21 79 31 117 40 151 60 4 1 20 76 43 163 3 201 58 220 15 57 24 91 35 132 46 174 70 4 8 23 87 47 178 8 220 62 235 17 64 27 102 39 148 51 193 35 2 4 6 5 25 11 42 16 61 22 83 6 1 23 8 7 33 12 45 16 61 25 to 90 50 3 4 12 45 23 87 34 129 41 155 9 7 37 16 61 23 87 31
14. 73 5760 154 7790 209 9490 254 2130 57 3330 89 4870 131 6520 175 15 to 70 45 3 1 4450 119 9520 255 12410 333 14740 395 3350 90 5450 146 8150 218 10940 293 1 0 to 4 8 50 3 4 5020 135 10780 289 13950 374 16490 442 3760 101 6160 165 9240 248 12410 333 60 4 1 6160 165 13290 356 17020 456 20000 536 4580 123 7580 203 11420 306 15350 411 70 4 8 7300 196 15800 423 20100 539 23500 630 5400 145 9000 241 13600 364 18300 490 35 2 4 1600 43 2700 72 4100 110 5900 158 1500 40 2200 59 3200 86 4400 118 25 to 90 50 3 4 3430 92 6760 181 10210 274 12500 335 2700 72 4600 123 6910 185 9450 253 1 7 to 6 2 75 5 2 6470 173 13540 363 20390 546 23500 630 4700 126 8600 230 13090 351 17850 478 90 6 2 8300 222 17600 472 26500 710 30100 807 5900 158 11000 295 16800 450 22900 614 35 2 4 2300 62 3900 105 6000 161 8300 222 1650 44 2400 64 3400 91 4600 123 35 to 100 50 3 4 3870 104 7200 193 11190 300 13930 373 2750 74 4570 122 6790 182 9150 245 2 4 to 6 9 75 5 2 6480 174 12700 340 19850 532 23320 625 4570 122 8180 219 12450 334 16720 448 100 6 9 9100 244 18200 488 28500 764 32700 876 6400 172 11800 316 18100 485 24300 651 75 5 2 14200 381 20740 556 23630 633 26090 699 9400 252 14480 388 18280 490 18990 509 once 100 6 9 20550 551 28460 763 3
15. NPS 2 and 3 DN 50 and 80 O 10 to 25 psig 0 69 to 1 7 bar O 15 to 50 psig 1 0 to 3 4 bar O 25 to 60 psig 1 7 to 4 1 bar OGOOOOO OGOOO Fisher Regulators Quick Order Guide ER Standard Readily Available for Shipment pl Non Standard Allow Additional Time for Shipment Special Order Constructed from Non Stocked Parts Consult your local Sales Office for Availability Availability of the product being ordered is determined by the component with the longest shipping time for the requested construction Bulletin 71 4 SR8 T handle Adjusting Screw Optional O Yes O No Pressure Loaded Spring Case Optional O Yes O No Vacuum Protection Optional elastomer diaphragm only O Yes O No Certificates Optional O 3A Ethylenepropylene EPDM and 316L Diaphragms only O FDA Elastomers Plastics O Materials O Functional Test O USP Class VI Elastomers Plastics Parts Kit Optional O Yes please send a parts kit to match this order O No Specification Worksheet Application Specific Use Line Size Fluid Type and Specific Gravity Fluid Temperature Upstream Regulator Specifications Brand of Upstream Regulator Orifice Size of the Upstream Regulator Wide Open Coefficient of the Upstream Regulator Maximum Inlet Pressure P4max Downstream Pressure Setting s P2 Maximum Flow Qmax Relief Valve Specificati
16. PTFE Fluorocarbon FKM 20 to 150 6 to 65 PTFE Fluorocarbon FKM PTFE Fluorocarbon FKM 20 to 150 6 to 65 Ethylenepropylene EPDM Ethylenepropylene EPDM 20 to 275 28 to 135 Soft Polyetheretherketone PEEK 316L 316L Stainless Stee PTFE Fluorocarbon FKM 20 to 400 6 to 204 PTFE Fluorocarbon FKM PTFE Fluorocarbon FKM 20 to 400 6 to 204 1 O ring material is PTFE for the NPS 1 2 and 3 4 DN 15 and 20 sizes Temperature range is the same Table 3 Construction Materials PART MATERIAL Body 316L Stainless steel 20 pin 0 5 um Ra with Electropolish Spring Case 316 Stainless steel with Electropolish Plug and Diaphragm Plate 316L Stainless steel 20 uin 0 5 um Ra with Electropolish Soft Seat Virgin PTFE or Polyetheretherketone PEEK Diaphragm Ethylenepropylene EPDM FDA Virgin PTFE coated Fluorocarbon FKM or 316L Stainless steel Control Springs Inconel or 302 Stainless steel Guide Ring and Upper and lower spring seats 300 Series Stainless steel Adjusting Screw and locknut 300 Series Stainless steel Closing Cap 300 Series Stainless steel with Electropolish or Plastic T handle and Locking Lever O rings 300 Series Stainless steel Ethylenepropylene EPDM FDA Virgin PTFE encapsulated Fluorocarbon FKM or Virgin PTFE Piston Ring Expanded PTFE with 302 Stainless steel Gas
17. SET PRESSURE PSIG bar CAPACITIES IN SCFH Nm h OF AIR AT BUILD UP Elastomer Diaphragm Metal Diaphragm NPS 1 1 2 DN 40 NPS 1 1 2 DN 40 20 30 19400 520 30930 829 32840 880 35420 949 5000 134 9620 258 640 17 870 23 1000 27 1220 33 Om oai 5 0 34 790 21 1450 39 2690 72 3810 102 Not Available 8 0 55 940 25 2030 54 4380 117 6400 172 5 0 34 700 19 870 23 1400 38 1680 45 700 19 800 21 1000 27 1180 32 dere 15 1 0 1640 44 3790 102 7050 189 8190 219 1150 31 1540 41 2300 62 3090 83 25 1 7 2570 69 6700 180 12700 340 14700 394 1600 43 2280 61 3600 96 5000 134 15 1 0 1640 44 2700 72 3980 107 5850 157 1200 32 1490 40 2070 55 2800 75 6480 174 10400 279 11850 318 13910 373 2240 60 3710 99 5550 149 7620 204 15 to 70 11330 304 18100 485 19720 528 21980 589 3270 88 5920 159 9020 242 12440 333 1 0 to 4 8 50 3 4 12940 347 20660 554 22350 599 24670 661 3620 97 6660 178 10180 273 14040 376 16170 433 25800 691 27590 739 30040 805 4310 116 8140 218 12500 335 17260 463 14820 397 20470 549
18. 0 64 eee 100 6 9 150 68 200 91 210 95 220 100 120 54 160 73 170 77 180 82 125 8 6 190 86 230 104 260 118 130 59 190 86 210 95 Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded Table 7 Steam Capacities continued CAPACITIES IN POUNDS PER HOUR kg h SATURATED STEAM AT BUILD UP SPRING SET Elastomer Diaphragm Metal Diaphragm RANGE PRESSURE PSIG bar PSIG bar NPS 3 4 DN 20 NPS 3 4 DN 20 10 20 30 40 10 20 30 40 2 0 14 8 3 3 8 9 9 4 5 14 6 4 17 7 7 ina 055 5 0 34 16 7 3 28 13 44 20 49 22 Not Available 8 0 55 24 11 47 21 74 34 80 36 5 0 34 12 20 4 18 8 2 24 11 31 14 10 4 5 12 5 4 14 6 4 16 7 3 15 1 0 3 15 69 31 92 42 100 45 17 7 7 23 10 29 13 37 17 25 1 7 53 soa 120 54 150 68 150 68 25 11 34 15 45 20 58 26 10 0 7 16 7 3 24 11 35 16 49 22 12 5 4 15 6 8 17 7 7 21 9 5 15 1 0 25 11 44 20 58 26 75 34 16 7 3 21 9 5 27 12 33 15 der 4 30 2 1 52 24 100 45 130 59 150 68 28 13 40 18 55 25 70 32 45 3 1 79 36 160 73 190 86 230 104 40 18 60 27 83 38 110 50 50 3 4 89 40 180 82 220 100 260 118 44 20 66 30 93 42 120 54 35 2 4 49 22 100 45 160 73 200 91 30 14 42 19 54 25 68 31 35 to 100 50 3 4 94 43 180 82 240 109 260 118 44 20 63 29 87 39 110 50 2 4 to 6 9 75 5 2
19. 0 67 0 84 0 99 MEET 8 0 55 0 50 0 80 1 03 1 22 5 a 34 0 35 0 49 0 62 0 80 0 32 0 36 0 40 0 47 5 to 25 0 aie 1 7 5 1 0 0 59 0 94 1 13 1 26 0 40 0 55 0 67 0 81 5 1 7 0 71 1 15 1 36 1 40 0 44 0 64 0 78 0 96 10 oan 0 40 0 65 0 87 1 10 0 35 0 42 0 50 0 57 15 1 0 0 54 0 87 1 04 1 21 0 38 0 49 0 62 0 74 10 to 50 0 69 to 3 4 0 2 1 0 76 1 22 1 30 1 37 0 43 0 59 0 82 0 98 5 3 1 0 86 1 39 1 40 1 40 0 45 0 64 0 91 1 09 0 3 4 0 89 1 40 1 40 1 40 0 45 0 66 0 93 1 12 5 2 4 0 60 0 95 1 24 1 40 0 42 0 60 0 75 0 94 35 to 100 0 3 4 0 69 1 10 1 35 1 40 0 46 0 69 0 89 1 11 2 4 to 6 9 5 5 2 0 77 1 23 1 40 1 40 0 50 0 77 1 02 1 27 100 6 9 0 82 1 30 1 40 1 40 0 53 0 82 1 09 1 36 75 5 2 1 16 1 40 1 40 1 40 1 12 1 40 1 40 1 40 Re 100 6 9 1 13 1 40 1 40 1 40 1 10 1 40 1 40 1 40 5 2 to 8 6 3 k i 125 8 6 1 23 1 36 1 39 1 02 1 40 1 40 Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded Table 5 C Coefficients continued Cy AT BUILD UP SPRING SET Elastomer Diaphragm Metal Diaphragm RANGE PRESSURE PSIG bar PSIG bar NPS 3 4 DN 20 NPS 3 4 DN 20 10 20 30 40 10 20 30 40 2 0 14 0 58 0 67 0 90 1 07 2to8 P 0 14 to 0 55 5 0 34 0 82 1 38 2 08 2 27 Not Available 8 0 55 1 04 1 94 2 96 3 10 5 0 34 0 60 0 87 1 16 1 44 0 51 0 56 0 64 0 75 5to 25 0 34 to 1 7 15 1 0 1 04 2 10 2 69 2 82 0 56 0 70 0 86 1 03 25 1 7 1 26 2 67 3 10 3 10 0 59 0 76 0 95 1
20. 060 481 1270 577 Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded Table 7 Steam Capacities continued CAPACITIES IN POUNDS PER HOUR kg h SATURATED STEAM AT BUILD UP SPRING SET Elastomer Diaphragm Metal Diaphragm RANGE PRESSURE PSIG bar PSIG bar NPS 1 1 2 DN 40 Reduced Port NPS 1 1 2 DN 40 Reduced Port 10 20 30 40 10 20 30 40 2 0 14 30 14 43 20 54 24 77 35 tina a 5 0 34 46 21 83 38 120 54 160 73 Not Available 8 0 55 68 31 120 54 180 82 230 104 oe 34 35 16 47 21 62 28 82 37 26 12 33 15 42 19 50 23 ue 5 1 0 72 33 130 59 210 95 260 118 47 21 67 30 98 44 130 59 25 1 7 120 54 240 109 380 173 470 213 68 31 100 45 160 73 220 100 15 1 0 50 23 97 44 150 68 210 95 44 20 58 26 78 35 100 45 30 2 1 130 59 280 127 380 173 460 209 100 45 160 73 240 109 320 145 15 to 70 45 3 1 220 100 460 209 600 272 720 327 160 73 270 123 400 182 530 241 1 0 to 4 8 50 3 4 240 109 520 236 680 309 800 363 180 82 300 136 450 204 600 272 60 4 1 300 136 650 295 830 377 940 427 220 100 370 168 560 254 750 341 70 4 8 360 163 770 350 980 445 1070 486 260 118 440 200 660 300 890 404 35 2 4 78 35 130 59 200 91 290 132 73 33 110 50 160 73 210 95 25 to 90 50 3 4 170 77 330 150 500 227 610 277 130 59
21. 1 3 BODY SIZE MAXIMUM MAX INLET MAX OUTLET NPS DN TEMP F C PRESSURE PRESSURE PSIG bar PSIG bar 1 2 through 150 65 210 14 5 210 14 5 1 1 2 DN 15 275 135 180 12 4 180 12 4 through 40 400 204 160 11 0 160 11 0 bears 150 65 150 10 3 150 10 3 DN 50 275 135 125 8 6 125 8 6 and 80 400 204 110 7 6 110 7 6 Set Pressure Ranges See Table 1 Maximum Differential Pressures 1 See Table 1 Temperature Capabilities 1 See Table 2 Flow Coefficients See Table 4 Construction Materials See Table 3 Pressure Registration Internal Pressure Loaded Spring Case Option Maximum Loading Pressure NPS 1 2 through 1 1 2 DN 15 to 40 body 125 psig 8 6 bar NPS 2 and 3 DN 50 and 80 body 60 psig 4 1 bar 1 4 NPT Tapped Vent Connection Vacuum Protection Option Maximum Vacuum Pressure 14 psig 1 0 bar vacuum Certifications Available Upon Request 3A certificate Ethylenepropylene EPDM and 316L Stainless steel diaphragms only FDA approved elastomers plastics Material and Functional Test Certificates USP Class VI approved elastomers plastics 2 Spring Case Construction Drilled untapped vent holes standard 1 4 NPT for Pressure Load Connection optional Pressure Setting Adjustment Adjusting screw with Electropolished Cover standard T Handle adjusting screw optional Shutoff Classification per ANSI FCI 70 3 2003 Metal Seat ANSI Class III Polytetrafluoroe
22. 100 324 2000 54 3000 80 4500 121 6100 163 75 5 2 3660 98 6670 179 7760 208 8680 233 2240 60 3760 101 4910 132 5710 153 Ke 100 6 9 5570 149 9520 255 10540 282 11300 303 2860 77 4080 109 6100 163 7800 209 125 8 6 7650 205 11690 313 12680 340 3510 94 5510 148 7940 213 Shaded areas indicate conditions where maximum differential pressure for he spring range is exceeded Bulletin 71 4 SR8 Table 6 Air Capacities continued CAPACITIES IN SCFH Nm h OF AIR AT BUILD UP SPRING SET Elastomer Diaphragm Metal Diaphragm RANGE PRESSURE PSIG bar PSIG bar NPS 1 DN 25 NPS 1 DN 25 10 20 30 40 10 20 30 40 2 0 14 590 16 850 23 1070 29 1520 41 ner nes 5 0 34 930 25 1660 44 2400 64 3270 88 Not Available 8 0 55 1380 37 2450 66 3640 98 4680 125 5 0 34 700 19 950 25 1250 34 1650 44 520 14 660 18 840 23 1000 27 Banii 15 1 0 1480 40 2750 74 4270 114 5430 146 960 26 1380 37 2020 54 2730 73 5 1 7 2500 67 5000 134 7900 212 10000 268 1400 38 2100 56 3200 86 4450 119 5 1 0 1030 28 1990 53 3180 85 4230 113 900 24 1200 32 1600 43 2100 56 30 2 1 2740
23. 117 1 7 to 6 2 75 5 2 20 76 39 148 57 216 64 242 14 53 25 95 37 140 49 185 90 6 2 23 87 47 178 67 254 69 261 17 64 30 114 44 167 58 220 35 2 4 9 4 36 15 57 23 87 31 117 6 8 26 9 5 36 13 49 17 64 35 to 100 50 3 4 14 53 25 95 7 140 45 170 9 8 37 16 61 23 87 30 114 2 4 to 6 9 75 5 2 20 76 37 140 6 212 64 242 14 53 24 91 35 132 46 174 100 6 9 24 91 47 178 70 265 73 276 17 64 30 114 45 170 58 220 75 5 2 42 159 54 204 1 231 64 242 26 98 40 151 49 185 51 193 ae 100 6 9 47 178 67 254 0 265 73 276 31 117 47 178 54 204 66 250 125 8 6 61 231 75 284 78 295 34 129 48 182 68 257 Shaded areas indicate conditions where maximum differential pressure or the spring range is exceeded 16 Table 8 Liquid Capacities continued Bulletin 71 4 SR8 CAPACITIES IN GPM l min WATER AT BUILD UP SPRING RANGE SET Elastomer Diaphragm Metal Diaphragm PSIG bar PRESSURE NPS 1 1 2 DN 40 NPS 1 1 2 DN 40 PSIG bar 10 20 30 40 10 20 30 40 2 0 14 2 9 11 3 9 15 4 5 17 5 5 21 ns ai 5 0 34 3 6 14 6 7 25 12 4
24. 2 4 190 86 280 127 420 191 640 291 97 44 140 64 190 86 260 118 35 to 100 50 3 4 360 163 600 272 790 359 990 449 140 64 230 104 360 163 500 227 2 4 to 6 9 75 5 2 640 291 1130 513 1400 636 1580 717 220 100 380 173 630 286 910 413 100 6 9 910 413 1660 754 1980 899 2110 958 290 132 530 241 900 409 1310 595 75 5 2 710 322 1250 568 1480 672 1580 717 440 200 680 309 870 395 960 436 dr 100 6 9 950 431 1770 804 1950 885 2020 917 610 277 860 390 1220 554 1530 695 125 8 6 1420 645 2210 1003 2400 1090 760 345 1140 518 1630 740 Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded Table 7 Steam Capacities continued CAPACITIES IN POUNDS PER HOUR kg h SATURATED STEAM AT BUILD UP SPRING RANGE PRESSURE Elastomer Diaphragm Metal Diaphragm PSIG bar PSIG bar NPS 2 DN 50 NPS 2 DN 50 10 20 30 40 10 20 30 40 10 0 69 280 127 400 182 640 291 860 390 210 95 300 136 390 177 490 222 ge 15 1 0 500 227 950 431 1190 540 1240 563 330 150 440 200 570 259 720 327 25 1 7 970 440 1560 708 1650 749 1740 790 460 209 660 300 910 413 1140 518 15 1 0 440 200 660 300 950 431 1190 540 250 114 370 168 460 209 510 232 fi to a 25 1 7 690 313 1240 563 1590 722 1730 785 410 186 590 268 820 372 1030 468 50 3 4 1800 817
25. 2210 863 34940 936 11530 309 18640 500 21420 574 26050 698 125 8 6 24920 668 35760 958 40760 1092 15000 402 23880 640 28790 772 Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded Table 6 Air Capacities continued CAPACITIES IN SCFH Nm 3 h OF AIR AT BUILD UP SPRING SET Elastomer Diaphragm Metal Diaphragm RANGE PRESSURE PSIG bar PSIG bar NPS 1 1 2 DN 40 Reduced Port NPS 1 1 2 DN 40 Reduced Port 10 20 30 40 10 20 30 40 2 0 14 650 17 930 25 1180 32 1670 45 ia nea 5 0 34 1020 27 1830 49 2640 71 3600 96 Not Available 8 0 55 1520 41 2700 72 4000 107 5150 138 34 760 20 1040 28 1380 37 1820 49 570 15 730 20 920 25 1100 29 har 5 1 0 1620 43 3030 81 4700 126 5970 160 1060 28 1520 41 2220 59 3000 80 5 1 7 2750 74 5500 147 8690 233 11000 295 1540 41 2310 62 3520 94 4900 131 15 1 0 1130 30 2190 59 3500 94 4650 125 990 27 1320 35 1760 47 2310 62 30 2 1 3010 81 6330 170 8570 230 10430 280 2340 63 3660 98 5360 144 7170 192 15 to 70 45 3 1 4900 131 10480 281 13650 366 16220 435 3690 99 6000 161 8960 240 12030 322 1 0 to 4 8 50 3 4 5520 148 11860 318 15340 411 18140 486 4140 111 6780 182 10160 272 13650 366 60 4 1 6780 182 14620 392 18730 502 22000 590 5040 135 8340 224 12560 337 16890 453 70 4
26. 2500 1135 2780 1262 2940 1335 780 354 1340 608 1880 854 2380 1081 25 1 7 630 286 1130 513 1640 745 1740 790 410 186 590 268 830 377 1060 481 aa jr 50 3 4 1470 667 2600 1180 2800 1271 2970 1348 750 341 1250 568 1790 813 2290 1040 60 4 1 2490 1130 3680 1671 3940 1789 1230 558 2160 981 3030 1376 CAPACITIES IN POUNDS PER HOUR kg h SATURATED STEAM AT BUILD UP SPRING SET Elastomer Diaphragm Metal Diaphragm RANGE PRESSURE PSIG bar PSIG bar NPS 3 DN 80 NPS 3 DN 80 10 20 30 40 10 20 30 40 10 0 69 400 182 560 254 820 372 1000 454 270 123 470 213 630 286 770 350 ent 15 1 0 510 232 860 390 1190 540 1540 699 440 200 680 309 890 404 1080 490 5 1 7 930 422 1570 713 2210 1003 2410 1094 660 300 1040 472 1370 622 1700 772 15 1 0 390 177 620 281 940 427 1260 572 420 191 640 291 840 381 1020 463 a S 5 1 7 630 286 1280 581 1950 885 2410 1094 550 250 980 445 1270 577 1620 735 50 3 4 1080 490 2410 1094 3800 1725 4100 1861 1240 563 2140 972 2800 1271 3430 1557 25 1 7 590 268 1130 513 1660 754 2190 994 550 250 930 422 1280 581 1580 717 re pr 50 3 4 1150 522 2390 1085 3710 1684 4100 1861 1150 522 1950 885 2660 1208 3270 1485 60 4 1 2950
27. 27 1 1 2 40 3 25 83 6 20 158 8 20 208 2 50 64 5 00 127 1 1 2 x 1 40 x 25 3 25 83 6 20 158 8 20 208 2 50 64 5 00 127 2 50 5 50 140 10 6 269 13 76 350 4 00 102 5 00 127 3 80 5 50 140 10 6 269 13 76 350 4 00 102 5 00 127 Figure 3 Dimensions 18 Product Ordering Guide Body Size Select One NPS 1 2 DN 15 NPS 3 4 DN 20 NPS 1 DN 25 NPS 1 1 2 x 1 DN 40 x 25 NPS 1 1 2 DN 40 full port NPS 2 DN 50 NPS 3 DN 80 Internal Finish Select One O 20 pin 0 5 um Ra O Other please specify Seat Select One O Metal O Soft Virgin PTFE O Soft Polyetheretherketone PEEK Diaphragm and O ring Material Select One O Ethylenepropylene EPDM FDA O PTFE coated Fluorocarbon FKM NPS 1 2 through 1 1 2 DN 15 through 40 only O 316L Stainless Steel with PTFE Fluorocarbon FKM O ring Spring Range Select One NPS 1 2 and 3 4 DN 15 and 20 O 2 to 8 psig 0 14 to 0 55 bar Not available with metal diaphragm O 5 to 25 psig 0 34 to 1 7 bar O 10 to 50 psig 0 69 to 3 4 bar O 35 to 100 psig 2 4 to 6 9 bar O 75 to 125 psig 5 2 to 8 6 bar NPS 1 1 1 2 and 1 1 2 x 1 DN 25 40 and 40 x 25 O 2 to 8 psig 0 14 to 0 55 bar Not available with metal diaphragm 5 to 25 psig 0 34 to 1 7 bar 15 to 70 psig 1 0 to 4 8 bar 25 to 90 psig 1 7 to 6 2 bar 35 to 100 psig 2 4 to 6 9 bar 75 to 125 psig 5 2 to 8 6 bar
28. 3A ASME BPE and European Hygienic Equipment Design Group criteria Highly Stable The upper guide ring provides for stable control over entire operating range Easy Maintenance The design incorporates a metal to metal stop to protect diaphragms from damage due to over compression at outer circumference Tri Clamp allows easy access to internal parts Large Turndown Ratio No need for reduced C trims at low flows Optional Diaphragm Support A diaphragm support is added to the regulator for installations that will be exposed to vacuum conditions Covered Adjusting Screw Electropolished stainless steel adjusting screw cover improves the aesthetics and cleanability of the regulator Diaphragm Cycle Life Metal 316L Stainless steel diaphragm is designed to maximize service life Optional T Handle Available T Handle option available to accommodate frequent adjustments Remote Setpoint Capability An optional spring case configuration permits pressure loading Loading pressure varied from a remote location adjusts the setpoint in direct proportion Tri Clamp is a mark owned by Tri Clover Incorporated 3 A is a mark owned by 3 A Sanitary Standards Incorporated Gl INLET PRESSURE m OUTLET PRESSURE m ATMOSPHERIC PRESSURE Figure 2 Type SR8 Operational Schematic Introduction The Type SR8 backpressure regulator is a compact large capacity direct operated backpressure regulator Itis desig
29. 4 4 17 8 22 7 2 27 45 3 1 7 7 29 15 57 18 68 21 79 3 9 15 5 6 21 7 5 28 9 4 36 50 3 4 8 2 31 16 61 19 72 22 83 4 1 16 5 9 22 8 0 30 10 38 35 2 4 5 2 20 11 42 16 61 19 72 3 2 12 4 3 16 4 20 6 6 25 35 to 100 50 3 4 8 7 33 16 61 21 79 22 83 4 0 15 5 6 21 6 29 9 6 36 2 4 to 6 9 75 5 2 13 49 23 87 26 98 26 98 5 2 20 7 4 28 10 38 14 53 100 6 9 17 64 28 106 29 110 30 114 6 1 23 8 8 33 13 49 17 64 75 5 2 13 49 22 83 25 95 26 98 7 8 30 3 49 16 61 18 68 eek 100 6 9 17 64 28 106 29 110 30 114 8 7 33 12 45 17 64 21 79 125 8 6 21 79 31 117 32 121 9 7 37 15 57 20 76 Shaded areas indicate conditions where maximum differential pressure for he spring range is exceeded 15 Bulletin 71 4 SR8 Table 8 Liquid Capacities continued CAPACITIES IN GPM l min WATER AT BUILD UP SPRING SET Elastomer Diaphragm Metal Diaphragm RANGE PRESSURE PSIG bar PSIG bar NPS 1 DN 25 NPS 1 DN 25 10 20 30 40 10 20 30 40 2 0 14 2 7 10 3 8 14 4 9 19 6 9 26 oa ve osi 5 0 34 4 3 16 7 7 29 11 42 15 57 Not Available 8 0 55 6 5 25 11 42 17 64 22 83 5 0 34 3 2 12
30. 5 18 68 Not Available 8 0 55 4 4 17 9 4 36 20 76 30 114 5 0 34 3 2 12 4 0 15 6 5 25 7 8 30 2 12 3 7 14 4 6 17 5 5 21 vr 15 1 0 7 6 29 18 68 32 121 7 140 3 20 7 1 27 11 42 14 53 25 1 7 11 42 29 110 53 201 0 227 1 27 9 9 37 15 57 21 79 15 1 0 7 6 29 12 45 18 68 7 102 6 21 6 9 26 9 5 36 13 49 30 2 1 27 102 42 159 7 178 3 201 9 4 36 15 57 22 83 29 110 15 to 70 45 3 1 41 155 63 238 2 273 12 45 21 79 30 114 1 155 1 0 to 4 8 50 3 4 45 170 69 261 7 291 13 49 22 83 33 125 44 167 60 4 1 52 197 80 303 83 7 329 14 53 25 95 38 144 50 189 70 4 8 59 223 89 337 2 5 360 15 57 28 106 42 159 56 212 35 2 4 11 42 19 72 7 140 6 3 24 8 6 33 11 42 15 57 25 to 90 50 3 4 25 95 46 174 1 231 10 38 16 61 23 87 30 114 1 7 to 6 2 75 5 2 42 159 79 299 3 352 15 57 26 98 37 140 51 193 90 6 2 50 189 96 363 100 379 110 416 17 64 31 117 45 170 60 227 35 2 4 17 64 24 91 35 132 53 201 8 7 33 12 45 16 61 21 79 35 to 100 50 3 4 28 106 45 170 58 220 70 265 11 42 17 64 26 98 36 136 2 4 to 6 9 75 5 2 42 159 72 273 86 326 94 356 14 53 24 91 39 148 54 204 100 6 9 53 201 93 352 110 416 110 416 17 64 30 114 49 185 69 261 75 5 2 47 178 80 303 91 344 94 356 29 110 44 167 54 204 57 216 one 100 6
31. 70 7 2 450 12 600 16 730 20 5 0 34 160 4 3 230 6 2 300 8 0 400 11 120 3 2 140 3 8 160 4 3 190 5 1 pee 15 1 0 430 12 720 19 900 24 1050 28 240 6 4 340 9 1 430 12 550 15 25 1 7 700 19 1200 32 1500 40 1700 46 350 9 4 540 14 700 19 900 24 10 0 7 240 6 4 400 11 560 15 730 20 170 4 6 210 5 6 260 7 0 310 8 3 15 1 0 390 10 660 18 830 22 1000 27 220 5 9 300 8 0 400 11 500 13 der 4 30 2 1 850 23 1450 39 1630 44 1820 49 390 10 570 15 830 22 1060 28 45 3 1 1300 35 2240 60 2430 65 2630 70 550 15 840 23 1260 34 1610 43 50 3 4 1450 39 2500 67 2700 72 2900 78 600 16 930 25 1400 38 1800 48 35 2 4 750 20 1260 34 1750 47 2150 58 420 11 640 17 860 23 1130 30 35 to 100 50 3 4 1130 30 1920 51 2520 68 2970 80 610 16 980 26 1350 36 1790 48 2 4 to 6 9 75 5 2 1770 47 3010 81 3810 102 4330 116 930 25 1540 41 2180 58 2900 78 100 6 9 2400 64 4100 110 5100 137 5700 153 1250 34 2100 56 3000 80 4000 107 75 5 2 2650 71 3590 96 3960 106 4100 110 2060 55 3160 85 3650 98 4100 110 ae 100 6 9 3310 89 4550 122 4910 132 5580 150 2610 70 4190 112 4360 117 4950 133 125 8 6 4390 118 5250 141 5770 155 2970 80 4870 131 5310 142 Shaded areas indicate conditions where maximum differential pressure for the spring
32. 8 8030 215 17380 466 22110 593 25850 693 5940 159 9900 265 14960 401 20130 539 35 2 4 1760 47 2970 80 4510 121 6490 174 1650 44 2420 65 3520 94 4840 130 25 to 90 50 3 4 3770 101 7440 199 11230 301 13750 369 2970 80 5060 136 7600 204 10390 278 1 7 to 6 2 75 5 2 7120 191 14890 399 22430 601 25850 693 5170 139 9460 254 14400 386 19640 526 90 6 2 9130 245 19360 519 29150 781 33110 887 6490 174 12100 324 18480 495 25190 675 35 2 4 2530 68 4290 115 6600 177 9130 245 1820 49 2640 71 3740 100 5060 136 35 to 100 50 3 4 4260 114 7920 212 12310 330 15320 411 3020 81 5030 135 7470 200 10060 270 2 4 to 6 9 75 5 2 7130 191 13970 374 21830 585 25650 687 5030 135 9000 241 13690 367 18400 493 100 6 9 10010 268 20020 537 31350 840 35970 934 7040 189 12980 348 19910 534 26730 716 75 5 2 15080 404 20360 546 23670 634 26040 698 9290 249 14970 401 19070 511 20510 550 once 100 6 9 19200 515 28690 769 31780 852 34820 933 12660 339 20040 537 24040 644 30340 813 125 8 6 27700 742 36570 980 40860 1095 15690 420 22930 615 33290 892 Shaded areas indicate conditions where maximum differential pressure or the spring range is exceeded 10 Table 6 Air Capacities continued Bulletin 71 4 SR8 PSIG bar SPRING RANGE
33. 8 2 11 0 2 1 2 06 4 07 5 20 5 99 1 60 2 35 3 25 4 12 15 to 70 5 3 1 2 48 4 96 6 06 6 78 1 87 2 84 3 98 5 03 1 0 to 4 8 0 3 4 2 58 5 16 6 25 6 96 1 93 2 95 4 14 5 23 0 4 1 2 73 5 47 6 56 7 20 2 03 3 12 4 40 5 55 0 4 8 2 84 5 71 6 79 7 20 2 10 3 25 4 59 5 79 5 2 4 1 08 1 70 2 44 3 31 1 01 1 39 1 90 2 47 25 to 90 0 3 4 1 76 3 24 4 58 5 27 1 39 2 20 3 10 3 98 1 7 to 6 2 5 5 2 2 38 4 61 6 48 7 00 1 73 2 93 4 16 5 32 0 6 2 2 60 5 12 7 18 7 20 1 85 3 20 4 55 5 80 5 2 4 1 55 2 46 3 57 4 66 1 11 1 52 2 02 2 58 35 to 100 0 3 4 1 98 3 45 5 02 5 87 1 41 2 19 3 05 3 86 2 4 to 6 9 5 5 2 2 38 4 33 6 31 6 95 1 68 2 79 3 96 4 98 100 6 9 2 60 4 82 7 02 7 20 1 83 3 12 4 46 5 60 Heal 75 5 2 5 21 7 07 7 20 7 20 3 45 4 94 5 81 5 66 5 2 to 8 6 100 6 9 5 88 7 20 7 20 7 20 3 30 4 93 5 28 6 00 125 8 6 5 84 7 20 7 20 3 51 5 17 5 79 Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded Table 5 C Coefficients continued Cy AT BUILD UP SPRING SET Elastomer Diaphragm Metal Diaphragm RANGE PRESSURE PSIG bar PSIG bar NPS 1 1 2 DN 40 Reduced Port NPS 1 1 2 DN 40 Reduced Port 10 20 30 40 10 20 30 40 2 0 14 1 97 2 72 3 31 4 54 wa ve 5 0 34 2 00 3 44 4 78 6 29 Not Available 8 0 55 2 38 4 05 5 78 7 16 64506 5 0 34 1 50 1 96 2 49 3 18 1 12 1 37 1 67 1 92 0 34 to 1 7 15 1 0 1 85 3 30 4 89 5 95 1 21 1 65 2 31 2 99 25 1 7 2 32 4 37 6 54 7 60 1 30 1 84 2 65 3 50 15 1
34. 9 55 208 100 379 110 416 110 416 36 136 48 182 66 250 80 303 125 8 6 75 284 110 416 120 454 40 151 58 220 80 303 Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded Table 8 Liquid Capacities continued CAPACITIES IN GPM l min WATER AT BUILD UP SPRING RANGE SET Elastomer Diaphragm Metal Diaphragm PRESSURE PSIG bar PSIG bar NPS 2 DN 50 NPS 2 DN 50 10 20 30 40 10 20 30 40 10 0 69 32 121 45 170 72 273 95 360 23 87 33 125 42 159 52 197 menig 15 1 0 53 201 99 375 120 454 120 454 34 129 44 167 5 208 69 261 25 1 7 88 333 140 530 140 530 150 568 41 155 56 212 5 284 92 348 15 1 0 46 174 68 257 96 363 120 454 26 98 37 140 5 170 49 185 ae an 25 1 7 63 238 110 416 140 530 150 568 6 136 50 189 8 257 83 314 50 3 4 130 492 170 643 180 681 190 719 3 201 88 333 120 454 150 568 25 1 7 58 220 100 379 140 530 150 568 6 136 50 189 69 261 85 322 T a 50 3 4 100 379 180 681 190 719 190 719 1 193 82 310 110 416 140 530 60 4 1 150 568 210 795 220 833 1 269 120 454 160 606 Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded Table 8 Liquid Capacities continued CAPACITIES IN GPM l min WATER AT BUILD UP SPRING SET Elastomer Diaphragm Metal Diaphragm RANGE PRESSURE PSIG b
35. Bulletin 71 4 SR8 May 2010 Type SR8 Sanitary Backpressure Regulator lt Sanitary Design Standards lt Superior Flow Performance and Accuracy lt Wide Control Range lt Diaphragm Cycle Life lt Highly Stable lt Large Turndown Ratio lt Tight Shutoff lt Easy Maintenance lt Covered Adjusting Screw lt Self Draining W8967 Figure 1 Type SR8 Sanitary Backpressure Regulator lt Optional T Handle Available lt Remote Setpoint Capability lt Nonporous Polished Body and Internals lt Optional Diaphragm Support Q FISHER EMERSON Process Management D103106X012 Bulletin 71 4 SR8 Features Nonporous Polished Body and Internals for High Purity Processing Body plug and diaphragm plate when applicable are machined from 316L Stainless steel All internal wetted surfaces are mechanically polished and electropolished to 20 pin 0 5 um Ra Wide Control Range Typical setpoints range from 2 to 125 psig 0 14 to 8 6 bar to cover a wide range of applications Self Draining Fluids will drain toward the outlet of the body when the regulator is installed with the spring case in the upright vertical position Tight Shutoff Soft seat is available to ensure better shutoff Superior Flow Performance and Accuracy The Type SR8 is designed to deliver high flows with minimal buildup to maintain an even pressure over the full range of flow Sanitary Design Standards Designed to meet
36. UP SPRING SET Elastomer Diaphragm Metal Diaphragm RANGE PRESSURE PSIG bar PSIG bar NPS 3 DN 80 NPS 3 DN 80 10 20 30 40 10 20 30 40 10 0 69 9050 243 12710 341 18470 495 22500 603 6080 163 10500 281 14290 383 17430 467 ies 15 1 0 11620 311 19350 519 26980 723 34790 932 9830 263 15440 414 20150 540 24400 654 i 25 1 7 20900 560 35440 950 49900 1337 55940 1499 15010 402 23530 631 30890 828 38370 1028 15 1 0 8760 235 13940 374 21320 571 28380 761 9550 256 14510 389 18960 508 22940 615 fare E an 25 1 7 14280 383 28860 773 44090 1182 56210 1506 12500 335 22040 591 28600 766 36590 981 i i 50 3 4 24390 654 54400 1458 85750 2298 92660 2483 28080 753 48410 1297 63320 1697 77610 2080 25 1 7 13280 356 25440 682 37430 1003 49380 1323 12360 331 21070 565 28840 773 35770 959 T E a 50 3 4 25950 695 53950 1446 83780 2245 92740 2485 25930 695 44100 1182 60040 1609 73790 1978 60 4 1 66630 1786 102120 2737 123800 3318 41530 1113 68970 1848 92510 2479 Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded 11 Bulletin 71 4 SR8 Table 7 Steam Capacities CAPACITIES IN POUNDS PER HOUR kg h SATURATED STEAM AT BUILD UP
37. ar PSIG bar NPS 3 DN 80 NPS 3 DN 80 10 20 30 40 10 20 30 40 10 0 69 42 159 60 227 85 322 100 379 28 106 48 182 64 242 77 291 ees er 15 1 0 50 189 82 310 110 416 140 530 42 159 64 242 81 307 97 367 25 1 7 78 295 130 492 180 681 190 719 55 208 83 314 110 416 130 492 15 1 0 38 144 59 223 88 333 120 454 40 151 60 227 77 291 91 344 ne RA 25 1 7 53 201 100 379 160 606 190 719 45 170 78 295 98 371 120 454 50 3 4 70 265 150 568 230 871 240 908 79 299 130 492 170 643 200 757 25 1 7 49 185 90 341 130 492 170 643 45 170 74 280 99 375 120 454 ie oe 50 3 4 75 284 150 568 230 871 240 908 73 276 120 454 160 606 190 719 60 4 1 160 606 240 908 280 1060 99 375 160 606 210 795 Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded Bulletin 71 4 SR8 oO D MAXIMUM C9 n S G L J l Lit F NG T il ko OPTIONAL T HANDLE SIZE DIMENSIONS INCHES mm NPS DN pa D G J 1 2 15 3 00 76 5 11 130 7 17 182 1 50 38 4 00 102 3 4 20 3 00 76 5 11 130 7 17 182 1 50 38 4 00 102 1 25 3 25 83 6 20 158 8 20 208 2 00 51 5 00 1
38. d CAPACITIES IN POUNDS PER HOUR kg h SATURATED STEAM AT BUILD UP SPRING RANGE FRESSURE Elastomer Diaphragm Metal Diaphragm PSIG bar PSIG bar NPS 1 1 2 DN 40 NPS 1 1 2 DN 40 20 30 30 14 40 18 46 21 56 25 Bd a A 5 0 34 36 16 66 30 120 54 170 77 Not Available 8 0 55 42 19 91 41 200 91 290 132 5 0 34 32 15 40 18 64 29 76 35 32 15 36 16 45 20 53 24 tei 15 1 0 72 33 170 77 310 141 360 163 51 23 68 31 102 46 140 64 25 1 7 110 50 300 136 560 254 650 295 71 32 100 45 160 73 220 100 15 1 0 73 33 120 54 180 82 260 118 53 24 66 30 92 42 120 54 290 132 460 209 520 236 281 100 45 160 73 250 114 340 154 15 to 70 45 3 1 500 227 800 363 870 395 440 140 64 260 118 400 182 550 250 1 0 to 4 8 50 3 4 570 259 910 413 990 449 1090 495 160 73 290 132 450 204 620 281 60 4 1 720 327 1140 518 1220 554 1330 604 190 86 360 163 550 250 760 345 70 4 8 860 390 1350 613 1440 654 1540 699 220 100 430 195 660 300 910 413 35 2 4 123 56 220 100 330 150 450 204 71 32 100 45 130 59 180 82 25 to 90 50 3 4 310 141 610 277 740 336 870 395 130 59 210 95 310 141 430 195 1 7 to 6 2 75 5 2 630 286 1240 563 1430 649 1560 708 220 100 400 182 610 277 850 386 90 6 2 820 372 1630 740 1800 817 1920 872 280 127 520 236 780 354 1100 499 35
39. een made to ensure their accuracy they are not to be construed as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability We reserve the right to modify or improve the designs or specifications of such products at any time without notice Emerson Process Management does not assume responsibility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance of any Emerson Process Management product remains solely with the purchaser amp EMERSON nagement Emerson Process Management Regulator Technologies Inc 2006 2010 All Rights Reserved Process
40. en GE06782X012 0 192 4 88 2 75 69 9 15 and 20 35 to 100 2 4 to 6 9 140 9 6 Red GE06783X012 0 225 5 72 2 75 69 9 7519125 620088 eo eat ereo T vem arste 2 to 8 0 2 to 0 5 1 15 1 0 Blue GE02763X012 0 225 5 72 3 25 82 6 5 to 25 0 4 to 1 7 40 2 7 Silver GE02764X012 0 282 7 16 3 25 82 6 15 to 70 1 0 to 4 8 100 6 9 Green GE02765X012 0 331 8 41 3 25 82 6 1 and 1 1 2 25 and 40 full port 25 to 90 1 7 to 6 2 125 8 6 Red GE02766X012 0 362 9 19 3 25 82 6 Ex 350100 24998 woos Geen otaran 2104 25629 7510 125 5 2 1086 160 11 0 Yolow Geos0goxot2 0250 685 325 826 10 to 25 0 7 to 1 7 50 3 4 Silver GE14003X012 0 562 14 3 6 00 152 66 a A 15 to 50 1 0 to 3 4 75 5 2 Green GE14004X012 0 625 15 9 6 00 152 25 to 60 1 7 to 4 1 75 5 2 Red GE14005X012 0 625 15 9 6 00 152 1 The 2 to 8 psig 0 14 to 0 55 bar spring is not available with the metal diaphragm Table 2 Temperature Capabilities SEAT TYPE Metal 316L DIAPHRAGM MATERIAL Ethylenepropylene EPDM O RING MATERIAL Ethylenepropylene EPDM TEMPERATURE RANGE F C 20 to 275 28 to 135 316L Stainless Stee PTFE Fluorocarbon FKM 20 to 400 6 to 204 PTFE Fluorocarbon FKM PTFE Fluorocarbon FKM 20 to 400 6 to 204 Ethylenepropylene EPDM Ethylenepropylene EPDM 20 to 150 28 to 65 PD 316L Stainless Steel
41. kets Stainelss steel diaphragm only Virgin PTFE Bolted Clamp 304 Stainless steel with Brass or Stainless steel Nuts Bead Chain and Ring Grip 300 Series Stainless steel Inconel is a mark owned by Special Metals Corporation Table 4 Flow Coefficients Bulletin 71 4 SR8 WIDE OPEN COEFFECIENTS SIZE NPS DN 3 A E Cc Km Fi Xr Fy 1 2 15 27 14 1 3 19 1 0 54 0 73 0 23 0 40 3 4 20 70 3 1 3 5 22 8 0 61 0 78 0 33 0 41 1 25 202 7 2 10 1 28 1 0 63 0 79 0 50 0 42 1 1 2 x 1 40 x 25 216 7 6 10 8 28 4 0 60 0 77 0 51 0 42 1 1 2 40 full port 309 10 9 15 5 28 4 0 68 0 82 0 51 0 40 2 50 962 34 4 48 28 0 0 60 0 78 0 49 0 32 3 80 1114 40 3 56 27 6 0 44 0 67 0 48 0 36 Capacity Data The capacity information on the following pages is based on four buildup factors 10 20 30 and 40 percent Buildup is the increase above setpoint required to open and is usually stated in percentage of setpoint value Flow at setpoint set flow is approximately 10 of maximum flow Greater capacities are obtained with higher buildups over the relief pressure setting as shown in the capacity tables To evaluate the performance of a regulator compare the stated capacities at equivalent operating pressures and buildup factors Comparing the wide open C does not consider the overall accuracy Buildup is derived by applying the applicable percentage buildup to the setpoi
42. ned for use in applications where a sanitary design is essential such as pharmaceutical biotechnology or food and beverage industries The unit is available in NPS 1 2 through 3 DN 15 through 80 sizes with end connections that will match up to Tri Clamp sanitary fittings The Type SR8 is suitable for use in steam liquid or gas service Principle of Operation The Type SR8 is a direct operated regulator Pressure in the controlled system regulator inlet pressure registers beneath the diaphragm of the regulator and opposes the force provided by the predetermined spring compression When regulator spring force exceeds diaphragm force exerted by the inlet pressure the spring will keep the valve plug closed to prevent flow to the downstream system As inlet pressure increases above setpoint this increase registers on the diaphragm and the valve plug opens to allow flow to the downstream system Specifications Bulletin 71 4 SR8 Body Size Inlet and Outlet Connection NPS 1 2 3 4 1 1 1 2 2 and 3 DN 15 20 25 40 50 and 80 Service Media All Sizes Steam Gas and Liquid End Connection Tri Clamp Sanitary connections Body Pressure Temperature Ratings MAXIMUM MAXIMUM INLET MAXIMUM OUTLET TEMPERATURE PRESSURE PRESSURE F C PSIG bar PSIG bar 150 65 210 14 5 210 14 5 275 135 180 12 4 180 12 4 400 204 160 11 0 160 11 0 Maximum Operating Pressures
43. nt Buildup of 10 percent on a 20 psig 1 4 bar setpoint would be 2 psig 0 14 bar fora total pressure of 22 psig 1 5 bar Capacity information assumes full drop For instances where full drop is not applicable it is easiest to use the Fisher Sizing program and the C values listed in Table 5 For the most accurate control use the lowest range spring that can be adjusted to the desired setpoint see Table 1 for part numbers of appropriate springs for each body size If closer control is necessary a regulator of larger capacity should be selected so that the necessary flow can be obtained with a smaller offset factor It may be necessary to interpolate the capacity table data to determine capacity for settings not given To maintain accuracy it is important when interpolating to stay within a spring range if possible An alternative method for interpolating capacities is to use the C as shown in Table 5 in the Fisher Sizing Program When using this method remember that P pressure is the sum of the setpoint and applicable buildup Do not use the wide open coefficients shown in Table 4 for interpolating capacities Contact your nearest local Sales Office if you should have any questions about selecting the proper regulator Regulating capacities in Table 6 are shown in SCFH 60 F and 14 7 psia of air at 60 F and normal cubic meters per hour at 0 C and 1 01325 bar For gases of other specific gravities divide by the sq
44. ons Relief Valve Setpoint Accuracy Requirements Need for Extremely Fast Response Other Requirements Bulletin 71 4 SR8 Industrial Regulators Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75069 1872 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Asia Pacific Shanghai China 201206 Tel 86 21 2892 9000 Europe Bologna Italy 40013 Tel 39 051 4190611 Middle East and Africa Dubai United Arab Emirates Tel 971 4811 8100 Natural Gas Technologies Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75069 1872 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Asia Pacific Singapore Singapore 128461 Tel 65 6777 8211 Europe Bologna Italy 40013 Tel 39 051 4190611 Gallardon France 28320 Tel 33 0 2 37 33 47 00 TESCOM Emerson Process Management Tescom Corporation USA Headquarters Elk River Minnesota 55330 2445 USA Tel 1 763 241 3238 Europe Selmsdorf Germany 23923 Tel 49 0 38823 31 0 For further information visit www fisherregulators com The Emerson logo is a trademark and service mark of Emerson Electric Co All other marks are the property of their prospective owners Fisher is a mark owned by Fisher Controls Inc a business of Emerson Process Management The contents of this publication are presented for informational purposes only and while every effort has b
45. range is exceeded Table 6 Air Capacities continued CAPACITIES IN SCFH Nm3 h OF AIR AT BUILD UP SPRING SET Elastomer Diaphragm Metal Diaphragm RANGE PRESSURE PSIG bar PSIG bar NPS 3 4 DN 20 NPS 3 4 DN 20 10 20 30 40 10 20 30 40 2 0 14 180 4 8 220 5 9 300 8 0 370 9 9 T e 6 5 0 34 370 9 9 640 17 990 27 1110 30 Not Available 8 0 55 550 15 1060 28 1670 45 1840 49 5 0 34 270 7 2 400 11 550 15 700 19 230 6 2 260 7 0 310 8 3 370 9 9 io hee 15 1 0 740 20 1550 42 2080 56 2280 61 400 11 520 14 660 18 830 22 25 1 7 1200 32 2700 72 3600 96 3850 103 560 15 770 21 1020 27 1300 35 10 0 69 360 9 6 550 15 800 21 1100 29 270 7 2 330 8 8 390 10 480 13 15 1 0 570 15 990 27 1310 35 1700 46 360 9 6 480 13 600 16 750 20 ene 4 30 2 1 1180 32 2330 62 2850 76 3500 94 640 17 920 25 1240 33 1590 43 45 3 1 1800 48 3660 98 4390 118 5300 142 910 24 1350 36 1890 51 2420 65 50 3 4 2000 54 4100 110 4900 131 5900 158 1000 27 1500 40 2100 56 2700 72 35 2 4 1100 29 2350 63 3700 99 4800 129 680 18 940 25 1220 33 1540 41 35 to 100 50 3 4 2120 57 4000 107 5430 146 6480 174 980 26 1420 38 1980 53 2590 69 2 4 to 6 9 75 5 2 3810 102 6750 181 8320 223 9290 249 1490 40 2210 59 3240 87 4350 117 100 6 9 5500 147 9500 255 11200 300 12
46. thylene PTFE Soft Seat ANSI Class VI Polyetheretherketone PEEK Soft Seat ANSI Class VI 150 400 F 4 Approximate Weight NPS 1 2 and 3 4 DN 15 and 20 9 pounds 4 kg NPS 1 and 1 1 2 DN 25 and 40 18 pounds 8 kg NPS 2 and 3 DN 50 and 80 60 pounds 27 kg Options Vacuum protection Pressure Loaded spring case T handle adjusting screw The pressure temperature limits in this bulletin and any applicable standard or code limita Contact your Local Sales Office for details on available constructions Maximum pressure to prevent damage to internal parts and leakage to atmosphere Polyetheretherketone PEEK Seat meets ANSI Class IV or better below 150 F 66 C End connection clamps and gaskets to be supplied by the user afFoONns gt Tri Clamp is a mark owned by Tri Clover Incorporated 3 A is a mark owned by 3 A Sanitary Standards Incorporated ion should not be exceeded Bulletin 71 4 SR8 Table 1 Set Pressure Ranges Control Spring Data and Maximum Differential Pressures BODY SIZE SET PRESSURE RANGES MAXIMUM DIFFERENTIAL COLOR part NUMBER WIRE DIAMETER FREE LENGTH NPS DN PSIG bar PRESSURE PSID bard CODE INCH mm INCH mm 2 to 8 0 14 to 0 55 15 1 0 Blue GE06780X012 0 138 3 51 2 75 69 9 5 to 25 0 34 to 1 7 40 2 7 Silver GE06781X012 0 177 4 50 2 75 69 9 1 2 and 3 4 10 to 50 0 69 to 3 4 100 6 9 Gre
47. tions where maximum differential pressure for the spring range is exceeded Table 5 C Coefficients continued Cy AT BUILD UP SPRING SET Elastomer Diaphragm Metal Diaphragm RANGE PRESSURE PSIG bar PSIG bar NPS 3 DN 80 NPS 3 DN 80 10 20 30 40 10 20 30 40 10 0 69 12 81 17 24 24 09 28 28 8 76 14 51 19 01 22 35 ker 15 1 0 13 42 21 30 28 37 35 03 11 58 17 34 21 63 25 08 25 1 7 17 78 28 44 37 90 39 21 13 03 19 27 23 95 28 24 15 1 0 10 11 15 34 22 43 28 58 11 25 16 30 20 36 23 58 T E ar 25 1 7 12 15 23 16 33 49 39 21 10 85 18 05 22 17 26 93 50 3 4 12 51 26 03 38 44 39 08 14 70 23 64 28 97 33 40 25 1 7 11 29 20 42 28 43 35 61 10 73 17 26 22 36 26 33 iG pa a 50 3 4 13 31 25 82 37 56 39 11 13 57 21 54 27 47 31 76 60 4 1 24 47 34 81 39 21 15 57 23 99 30 03 Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded Table 6 Air Capacities Bulletin 71 4 SR8 CAPACITIES IN SCFH Nm h OF AIR AT BUILD UP SPRING SET Elastomer Diaphragm Metal Diaphragm RANGE PRESSURE PSIG bar PSIG bar NPS 1 2 DN 15 NPS 1 2 DN 15 10 20 30 40 10 20 30 40 2 0 14 140 3 8 180 4 8 220 5 9 260 7 0 eu on 5 0 34 210 5 6 320 8 6 410 11 500 13 Not Available 8 0 55 2
48. uare root of the appropriate specific gravity Capacities in Table 7 are in pounds per hour and kilograms per hour of saturated steam All water capacities in Tables 8 are shown in gallons per minute and liters per minute The K values listed in Table 4 can be used to predict choked flow on liquid service Installation The Type SR8 regulator may be installed in any position as long as flow will be in the same direction as that indicated by the body arrow However to ensure self draining from inlet to outlet the regulator should be installed with the spring case in the upright vertical position The regulator should be installed so that the spring case vent is protected from anything that might interfere with it Emerson Process Management Regulator Technologies Inc provides an instruction manual with every regulator shipped Refer to this for complete installation operation and maintenance instructions Included is a complete listing of individual parts and recommended spare parts Bulletin 71 4 SR8 Table 5 C Coefficients Cy AT BUILD UP SPRING SET Elastomer Diaphragm Metal Diaphragm RANGE PRESSURE PSIG bar PSIG bar NPS 1 2 DN 15 NPS 1 2 DN 15 10 20 30 40 10 20 30 40 2 0 14 0 45 0 55 0 65 0 75 Pr 55 30 39 0 45
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