Emerson Y696 Data Sheet
Contents
1. Replacement Parts Kit Optional O Yes send one parts kit to match this order Disk Material Select One O Nitrile NBR standard O Fluorocarbon FKM O Perfluoroelastomer FFKM O Ethylenepropylene EPDM O PTFE Vapor Recovery Specification Worksheet Application Specifications Tank Size Pump In Rate Pump Out Rate Blanketing Gas Type and Specific Gravity Outlet Pressure Range Select One O 2 to 5 inches w c 5 to 12 mbar Red Control Pressure Setting O 5 to 15 inches w c 12 to 37 mbar Gray Downstream Pressure O 8 inches w c to 1 psig 20 to 69 mbar Dark Green Maximum Flow Q O 1 to 2 8 psig 69 mbar to 0 19 bar Orange O 2 to 3 5 psig 0 14 to 0 24 bar Green Stripe O 4 to 7 psig 0 28 to 0 48 bar Red Pressure Requirements a Build up Limitations L 0 25 inches w c 0 6 mbar 0 5 inches w c 1 mbar Ll 1 inch w c 2 mbar Ll 2 inches w c 5 mbar LI Others Other Specifications Is a tank blanketing regulator required Yes LI No Special Material Requirements L Ductile Iron L Steel C Stainless Steel C Hastelloy C LI Other Other Requirements Regulators Quick Order Guide i Standard Readily Available for Shipment Non Standard Allow Additional Time for Shipment k k k k 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 w2. 1H802427032 Red 15 inches w c 3 9 inches w c 37 mbar 10 mbar 2 5 psig 0 17 bar 5580 150 5 psig 0 34 bar 6850 184 O psig 0 bar 3510 94 1 2 5 psig 0 17 bar 5950 159 5 psig 0 34 bar 7160 192 21 inches w c 7 7 inches w c O psig 0 bar 5820 156 52 mbar 19 mbar 2 psig 23 inches w c 0 14 bar 57 mbar a a 7410 199 5 psig 0 34 bar 8340 224 2 5 psig 0 17 bar 9770 262 5 psig 0 34 bar 10 400 279 O psig 0 bar 12 000 322 2 5 psig 0 17 bar 12 700 340 5 psig 0 34 bar 13 100 351 5 87 psig 0 41 bar O psig 0 bar 8790 236 GAUGE TAP 1 4 NPT R i TYPE Y602 VENT CAST IRON 1 4 NPT VENT CONNECTION STEEL OR STAINLESS STEEL 3 4 NPT VENT Figure 4 Dimensions To determine regulating capacities at pressure settings not given or to determine wide open flow capacities use the following formula J DEG P 3417 C 1 Q _ 520 GT CPSIN gas flow rate SCFH gas sizing coefficient absolute inlet pressure psia specific gravity of the gas absolute temperature of gas at inlet Rankine flow coefficient AP pressure drop across the regulator psi where Q lt Q C P G T C Installation Install the regulator using a straight run of pipe the same size as or larger than the regulator body Flow through the regulator body is indicated by the flow arrow
3. Hydrochloric Acid Air free Hydrofluoric Acid Aerated Hydrofluoric Acid Air free Hydrogen Hydrogen Peroxide Hydrogen Sulfide Liquid Magnesium Hydroxide Mercury Methanol Methyl Ethyl Ketone Milk Natural Gas Nitric Acid Oleic Acid Oxalic Acid Oxygen Petroleum Oils Refined Phosphoric Acid Aerated Phosphoric Acid Air Free Phosphoric Acid Vapors Picric Acid Potassium Chloride Potassium Hydroxide Propane Rosin Silver Nitrate Sodium Acetate Sodium Carbonate Sodium Chloride Sodium Chromate Sodium Hydroxide Sodium Hypochloride Sodium Thiosulfate Stannous Chloride Stearic Acid Sulfate Liquor Black Sulfur Sulfur Dioxide Dry Sulfur Trioxide Dry Sulfuric Acid Aerated Sulfuric Acid Air Free Sulfurous Acid Trichloroethylene Turpentine Vinegar Water Boiler Feed Water Distilled Water Sea Zinc Chloride Zinc Sulfateilled somrocfeencdfeansc WOOLY Y s gt roehenadloorsc OOF OF SYHLPO LY ooo FE FOWKFYKrYPIFSFSEWOO SFSSSSIFSPOPSIDS SDSS SFEPPrrworrrrwva rwrr r soar pesos rrr Y rrr YrirrryryYrlrryryryrlrryryryrlrrrrrlyrrrryr rurry r m 2on gt eolenooof gt gt gt gt gt DOOYY o gt roal aeoa oornc QANFODAS gt rorprens IL Information lacking 1 Determine the flow rate of blanketing gas displaced when liquid is being pumped in see Table 6 2 Determine the gas flow rate due to outbreathing caused by atmospheric thermal heating see Table 5 3 Add the requiremen
4. PRESSURE EE OUTLET PRESSURE L ATMOSPHERIC PRESSURE Figure 2 Operational Schematic VAPOR RECOVERY VACUUM SOURCE VAPOR PRESSURE LIQUID ME INLET PRESSURE ES OUTLET PRESSURE E ATMOSPHERIC PRESSURE Figure 3 Principal of Operational Schematic Bulletin 74 2 Y696 Principle of Operation The Type Y696 vapor recovery regulator is used to maintain a constant blanket inlet pressure or vessel pressure with the outlet flowing to a system whose pressure is lower than that at the inlet When vessel pressure increases above the setpoint of the regulator due to pumping in or thermal heating the force of the control spring is overcome by pressure acting on the diaphragm This moves the disk away from the orifice allowing gas to flow from the vessel to the vapor recovery system As vessel pressure is reduced the force of the control spring causes the disk to move toward the orifice decreasing the flow of gas out of the vessel As vessel pressure drops below the setpoint of the regulator the disk will seat against the orifice shutting off the flow of gas Sizing Vapor Recovery Systems To determine the capacity required you must consider the amount of blanketing gas that must be displaced from the tank when either filling the vessel with liquid pbump in or the expansion of tank vapors during atmospheric thermal heating Using the established procedures from American Petroleum Institute Standard 2000 API 2000 deter
5. Bulletin 74 2 Y696 January 2010 Figure 1 Type Y696 Vapor Recovery Regulator Features e Simplicity Direct operated straight forward stem and or Hastelloy C Spring case is available in cast iron lever design minimizes the number of parts while steel or stainless steel Trim is available in stainless providing excellent regulation of pressure steel or Hastelloy C e Precision Control Large diaphragm area provides very accurate throttling control at low set pressures Introduction e Rugged Construction Heavy duty castings and The Accu Pressure Type Y696 is a direct operated vapor internal parts are designed to lessen vibration and shock recovery regulator with internal registration requiring no downstream control line This regulator is used to sense an increase vessel pressure and vent excessive internal tank pressure to an appropriate vapor recovery disposal or reclamation system However inlet pressures outlet Variety of Construction Materials Body and lower pressures and other performance characteristics vary casing are available in cast iron steel stainless steel according to construction Ease of Inspection and Maintenance The union nut connection permits maintenance or inspection of critical parts without removing the body from the line Hastelloy C is a mark owned by Haynes International Inc 4 amp FISHER EMERSON Process Management D102054X012 Bulletin 74 2 Y696 Specifications Bod
6. FDFHO n vf fol ote Se rrr KrYrl rryryYrl rrryrl rrryryrl rrrryrl rrrryr rrrrrr rrrrrre 1 Performance worsens with hot temperatures A Recommended B Minor to moderate effect Proceed with caution C Unsatisfactory N A Information not available 2 From Table 5 the desired air flow rate 4000 SCFH Capacity Information 107 Nm h air due to thermal heating Table 7 gives typical nitrogen regulating capacities at 3 Total required flow DR 4400 SCFH 118 Nm h air selected inlet pressures and outlet pressure settings Flows 4400 aah 118 Nm h converts to 4500 SCFH are in SCFH at 60 F and 14 7 psia and Nm h at 0 C and 121 Nm h nitrogen 1 01325 bar of 0 97 specific gravity nitrogen For gases of 4 From Table 7 with a 2 inches w c 5 mbar and an outlet other specific gravities multiply the given SCFH capacity pressure of 5 inches Hg an NPS 1 1 2 or 2 DN 40 or 50 of nitrogen by 0 985 and divide by the square root of the iate specific gravity of the gas required Then if body size would flow 5130 SCFH 137 Nm h nitrogen ie sais di This would satisfy the desired flow rate of 4500 SCFH capacity is desired in Nm h multiply SCFH by 0 0268 121 Nm h nitrogen Bulletin 74 2 Y696 Table 5 Gas Flow Required for Thermal Heating Outbreathing per API 2000 Interpolate for Intermediate Sizes OUTBREATHING FLASH POINT lt 100 F OR NORMAL BOILING POINT OUTBREATHING FLASH POINT TA
7. NK CAPACITY lt 38 C OR NORMAL BOILING POINT TANK CAPACITY TANK CAPACITY BARRELS GALLONS lt 300 F SCFH AIR lt 149 C Nm h AIR 84 000 126 000 168 000 210 000 420 000 630 000 840 000 1 050 000 1 260 000 1 470 000 1 680 000 1 890 000 2 100 000 2 520 000 2 940 000 3 360 000 90 000 3 780 000 100 000 4 200 000 120 000 5 040 000 140 000 5 880 000 160 000 6 720 000 180 000 7 560 000 Table 6 Flow Rate Conversion MULTIPLY MAXIMUM PUMP RATE OUT TO OBTAIN Barrels hour 5 615 SCFH Barrels day 0 2340 SCFH 1 Gas flow of blanketing gas to replace liquid pumped out Table 7 Capacities OUTLET PRESSURE RANGE CAPACITIES IN SCFH Nm h SPRING PART NUMBER SET PRESSURE Wine GEE GenVEL ake a OF 0 97 SPECIFIC GRAVITY AND COLOR NITROGEN O psig 0 bar 1420 38 1 2 inches w c 2 6 inches w c 2 5 psig 0 17 bar 5130 137 2 to 5 inches w c 5 mbar 6 mbar 5 psig 0 34 bar 6560 176 5 to 12 mb moe ca O psig 0 bar 1680 45 0 j 4 inches w c 2 6 inches w c 2 5 psig 0 17 bar 5200 139 10 mbar 6 mbar 5 psig 0 34 bar 6600 177 5 to 15 inches w c O psig 0 bar 2810 75 3 12 to 37 mbar 1B766627062 Gray 8 inches w c to 1 psig 20 to 69 mbar 0B019427052 Dark Green 1 to 2 8 psig 69 mbar to 0 19 bar 0A081127202 Orange 2 to 3 5 psig 3 psig 3 2 psig Ce Oe 0 21 bar 0 22 bar OY066427022 Green Stripe 4 to 7 psig 0 28 to 0 48 bar
8. cast stamped or riveted on the body If a block valve is required install a full flow valve between the regulator and the blanketed vessel For proper operation at low setpoint ranges the Type Y696 regulators should be installed with the spring case barrel pointed down Ordering Information Carefully review each specification and complete the Ordering Guide To ensure ordering accuracy please complete the Specifications Worksheet on the last page Bulletin 74 2 Y696 7 00 178 8 94 227 5 19 lt _ 132 INCHES mm Ordering Guide Body Size Select One O NPS 1 1 2 DN 40 O NPS 2 DN 50 Body Material and End Connection Style Select One Cast Iron Hastelloy C O NPT O NPT O CL150 RF O CL300 RF WCC Steel CF8M Stainless Steel O NET O NPT 0O CL150 RF C1 CL300 RF O PN 16 25 40 C1 CL150 RF 0O CL300 RF O PN 16 25 40 Spring Case Material Select One O Cast iron O WCC Steel O CF8M Stainless steel Diaphragm Case Material Select One O Cast iron O WCC Steel O CF8M Stainless steel O Hastelloy C Trim Material Select One O 303 Stainless steel O 316 Stainless steel not available with Ethylenepropylene EPDM O Hastelloy C only available with PTFE continued Bulletin 74 2 Y696 Ordering Guide continued Diaphragm Material Select One O Nitrile NBR standard O Fluorocarbon FKM O Nitrile NBR with PTFE Protector
9. ith the longest shipping time for the requested construction 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 been made to ensure their accuracy they are not to be construed as warranties
10. mine the required flow rate for outbreathing Bulletin 74 2 Y696 Table 3 Fluid Compatibility of Metals MATERIAL FLUID Acetaldehyde Acetic Acid Air Free Acetic Acid Aerated Acetic Acid Vapors Acetone Acetylene Alcohols Aluminum Sulfate Ammonia Ammonium Chloride Ammonium Nitrate Ammonium Phosphate Ammonium Sulfate Ammonium Sulfite Aniline Asphalt Beer Benzene Benzol Benzoic Acid Boric Acid Butane Calcium Chloride Alkaline Calcium Hypochlorite Carbolic Acid Carbon Dioxide Dry Carbon Dioxide Wet Carbon Disulfide Carbon Tetrachloride Carbonic Acid Chlorine Gas Dry Chlorine Gas Wet Chlorine Liquid Chromic Acid Citric Acid Coke Oven Gas Copper Sulfate Cottonseed Oil Creosote Ethane Ether Ethyl Chloride Ethylene Ethylene Glycol Ferric Chloride Formaldehyde Formic Acid Freon Wet Freon Dry Furfural Gasoline Refined Glucose A Recommended B Minor to moderate effect Proceed with caution gt sencjeorsolersso roooef oare gt 20ns o02a gt oaaad oro gt s a rrrrrairorr ee eee rPrPrrriwmrrrri gt rerrowey gt gt vearleossolers gt ofsroonfoer gt 20ms o02as 0002 o20 gt 9 oS C Unsatisfactory 316 Carbon Gast stainless Hastelloy C Steel Iron Steel A A persons an rFrPFrPrwWrrrryr rrrryYr rrryryYrlrrryryYrrrrrr rrrre MATERIAL FLUID 316 Stainless Steel Hastelloy C Carbon Cast Steel iron C Hydrochloric Acid Aerated
11. 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 s EMERSON erer ANa n AA Emerson Process Management Regulator Technologies Inc 2001 2010 All Rights Reserved Pro ment
12. sher Post Lever Assembly Stem and Cotter Pin 303 Stainless steel 316 Stainless steel or Hastelloy C Gaskets Composition 1 End connections for other than U S standard can usually be provided consult your local Sales Office 2 The pressure temperature limits in this Bulletin or any applicable standard limitation should not be exceeded Table 1 Body Sizes and End Connection Style BODY SIZE BODY MATERIAL NPT SWE CL150 RF NPT SWE CL150 RF TWN 20 aerO0 CL300 RF PN 16 25 40 CL300 RF PN 16 25 40 Caper Table 2 Control Pressure Ranges SPRING PART SPRING WIRE DIAMETER SPRING FREE LENGTH CONTROL PRESSURE RANGE NUMBER SPRING COLOR INCHES mm INCHES mm 2 to 5 inches w c 5 to 12 mbar 1A200127022 Red 0 135 3 43 5 38 137 5 to 15 inches w c 12 to 37 mbar 1B766627062 Gray 0 156 3 96 6 63 168 8 inches w c to 1 psig 20 to 69 mbar 0B019427052 Dark Green 0 187 4 75 6 00 152 2 to 3 5 psig 0 14 to 0 24 bar 0Y066427022 Green stripe 0 363 4 to 7 psig 0 28 to 0 48 bar 1H802427032 Red 0 406 9 22 10 3 1 Spring ranges based on spring case installed pointed down When installed pointed up spring range increases 2 inches w c 5 mbar 2 Do not use Fluorocarbon FKM diaphragm with these springs at diaphragm temperatures lower than 60 F 16 C 6 00 152 6 00 152 4 75 1 to 2 8 psig 69 mbar to 0 19 bar 0A081127202 Orange 0 250 6 35 6 00 152 9 22 10 3 E0751 GE INLET
13. ts of 1 and 2 and select a vapor recovery regulator size based on total capacity required from Table 7 Sample sizing problem Vessel Capacity 168 000 gallons 636 000 liters Pump In Capacity 50 GPM 189 l min Desired Vapor Recovery 2 inches w c 5 mbar Vapor Recovery Vacuum Source 5 inches Hg 1 From Table 6 the desired air flow rate due to pump in equals 50 GPM 189 I min x 8 01 400 SCFH 10 7 Nm h air Bulletin 74 2 Y696 Table 4 Fluid Compatibility of Elastomers MATERIAL FLUID Neoprene CR Nitrile NBR Fluorocarbon FKM Ethylenepropylene EPDM Perfluoroelastomer FFKM B Acetic Acid 30 Acetone Air Ambient Air Hot 200 F 93 C Alcohol Ethyl Alcohol Methyl Ammonia Anhydrous Cold Ammonia Gas Hot Beer Benzene Brine Calcium Chloride Butadiene Gas Butane Gas Butane Liquid Carbon Tetrachloride Chlorine Dry Chlorine Wet Coke Oven Gas Ethyl Acetate Ethylene Glycol Freon 11 Freon 12 Freon 22 Freon 114 Gasoline Automotive Hydrogen Gas Hydrogen Sulfide Dry Hydrogen Sulfide Wet Jet Fuel JP 4 Methyl Ethyl Ketone MEK MTBE Natural Gas Nitric Acid 50 to 100 Nitrogen Oil Fuel Propane Sulfur Dioxide Sulfuric Acid up to 50 Sulfuric Acid 50 to 100 Water Ambient Water at 200 F 93 C penz fe os orn eee o DWDrOANDIA FSFHSPHPO FAO Y o gt w gt OFWEASLIAINDAINDINF FAY
14. y Size and End Connection Style See Table 1 Maximum Allowable Inlet and Outlet Pressure 15 psig 1 0 bar Orifice Diameter 1 inch 25 mm Control Pressure Ranges See Table 2 Flow Capacities See Table 7 Wide Open Flow Coefficients Cy 14 7 Cy 515 C 35 Pressure Registration Internal Vent Connections 1 4 NPT Spring Case Connection 1 4 NPT Common Services and Material Compatibility See Tables 3 and 4 Temperature Capabilities Nitrile NBR 20 to 180 F 29 to 82 C Fluorocarbon FKM 40 to 300 F 4 to 149 C Perfluoroelastomer FFKM 0 to 300 F 18 to 149 C Ethylenepropylene EPDM 20 to 275 F 29 to 135 C Approximate Weight Cast iron 45 pounds 20 kg Steel and Stainless Steel 57 pounds 26 kg Construction Materials Body and Union Nut Cast iron Steel CF8M Stainless steel or Hastelloy C Spring Case Cast iron Steel or CF8M Stainless steel Diaphragm Case Assembly Cast iron Steel CF8M Stainless steel or Hastelloy C Control Spring Control Spring Seat and Diaphragm Plate Plated Steel Diaphragm Nitrile NBR standard Fluorocarbon FKM or Ethylenepropylene EPDM Disk Assembly 303 Stainless steel disk holder with Nitrile NBR or Ethylenepropylene EDPM disk 316 Stainless steel disk holder with Nitrile NBR Fluorocarbon FKM Perfluoroelastormer FFKM or Polytetrafluoroethylene PTFE disk or Hastelloy C disk holder with PTFE disk Orifice Pu
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