Operating Instructions
Contents
1. FLANGE CONNECTING D DN 50 150 DI DN200 300 DI D D FS d LLLI CONNECT ING ELEMENTS FOR FLANGE CONNECTION TO DRAWING 4 127920 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 07321 320 0 07321 320 491 e mail info erhard de Internet http www erhard de JELECTRIC ACTUATOR AUMA Page 3 of 13 Operating Instructions for ERU Knife Gate Valve K1 with electric actuator Dimensioned table for drawing No 2E 39861 PREFERRED SERIES FOR MODULATING ACTUATORS PREFERRED SERIES FOR STANDARD ACTUATORS 3 58 1 BASIC SERIES 20 FORMER DIN 3202 PART 3 SERIES K1 PREFERRED SERIES FOR MODULATING ACTUATORS 2 PREFERRED SERIES FOR STANDARD ACTUATORS 5 EN558 1 BASIC SERIES FORMER DIN 3202 PART 3 SERIES K1 f Rr D3 EG E7 EB E9 H5 H6 H7 NOS OF Yo OF THE EL ACTUATOR T MIN TYPE 5 10 25 32 40 50 80 927 T D30 A 682 roS 5210 125 715 268 280 106 180 755 2 813782 059 60 913 883 250150 5210 300 720 36 Aja O CA e co C e CO NM O01 O1 gt O01 WN 00 EXE 75 94 117 113 150 229 cO C xdi Im O N C N ey ee No 4 o E Cu e e CO 4 e CO N CA Dr n N gt W GRO gt WI2. Cn 4 gt i MS Rene FOR FASTENING THE GATE VALVE TO THE PIPELINE WE RECOMMEND DESIGN 1 GUDGEON AND NUT FOR THREADED HOLES AS THIS DESIGN USES THE WHOLE DEPTH OF THE THREAD O THREADED HOLE O THROUGH GOING HOLE BA46E033 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 July 2005 07321 320 0 B 07321 320 491 e mail info erhard de Rev 4 Internet http www erhard de Page 11 of 13 Operating Instructions for ERU Knife Gate Valve K1 with electric actuator 7 Initial Operation After installation the valve has to be checked for smooth operation It has to be moved at the operating element over the whole travel OPEN CLOSED In case of lower working pressures after having carried out the pressure test of the pipeline the profile seal can be released to be adapted to the effective working pressure For this purpose the bolts on the cover plate have to be loosened in an appropriate manner By means of this measure you can reduce wear and tear of the components involved in the motion ATTENTION The flow medium may penetrate Wear safety clothing safety goggles in case of toxic or caustic media 8 Operation Trouble Possible Causes Remedy Leakage at the Prestress too low Readjustment of cover plate cover plate see paragraph 9 Maintenance Wearing of the profile seal Replace profile seal Contamination With valve in open position deposit on the gate clean and g
3. J l Jj o 45 Foknt K x a7 Washer O o 18 Cotterpin J So oo o 19 Stem EK 20 Straight grooved pin J J 21 Studbot So To o 22 Gudgeon o 23 Bearingsuppot Y 24 Washr Jj 25 Hexagonnut J 26 Electric mult tum actuator 27 Washer J aee Taper plug BA46E033 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 July 2005 07321 320 0 07321 320 491 e mail infoGerhard de Rev 4 Internet http www erhard de Operating Instructions for ERU Knife Gate Valve K1 with electric actuator Performance and Mode of Operation ERU Knife Gate Valves K1 are wafer type single door gate valves with short face to face dimension A special type of these valves e g with regulating orifice is also suitable for regulating purposes The solid gate slides in a long gate guide between two body components It seals on its periphery against a rubber resilient steel reinforced enclosed U shaped sealing element Where the gate leaves the body tightness to the outside is ensured by a resiliently prestressed profile seal which can be readjusted For reducing wear and tear of the profile seal and the actuating elements the prestress can be reduced to the dimension required for the actual operating pressure The Gate Valves were tested for tightness and resistance to DIN EN12266 and DIN EN1074 at the manufacturer s plant
4. 320 491 e mail info erhard de Rev 4 Page 6 of 13 Internet http www erhard de Operating Instructions for ERU Knife Gate Valve K1 with electric actuator Electrical connection has to be effected according to Operating Instructions as well as wiring and terminal diagrams of the electric actuator s manufacturer travel torque and thermal switches heating motor Before installation the insulating resistance of the motor must be measured If it is lower than 500 K ohms this shows that the winding is moist The motor has to be removed in order to be dried up and it must be heated by means of a hot air fan or in a heating chamber max admissible temperature 100 C 4 2 2 2 1 4 2 2 4 2 3 4 2 4 4 2 5 4 2 6 4 2 1 Commissioning of the Electric Actuator Move the ERU Knife Gate Valve K1 manually to central position Check the gate movement and thus the direction of rotation of the actuator by short electrical starting EN Valve is closing CLOCKWISE direction of actuator rotation Valve is opening ANTI CLOCKWISE direction of actuator rotation In case of wrong direction of rotation change poles of motor connection Check direction of rotation by short electrical starting Check correct switching sequence of the torque switches in Open Close direction by manual operation Change poles if necessary Move the valve over the whole travel only if the direction of rotation for closing the valve is CLO
5. They are designed for flow acting from any direction ERU Knife Gate Valves K1 are disconnected in a travel dependent manner in closing and opening directions The limit positions OPEN and CLOSED are signalled by the travel switches Running against or jamming at the upper mechanical stop of the valve due to motor after running is avoided The torque switches serve as safety switches in opening and closing directions ERU Knife Gate Valves K1 are switched in a travel dependent manner in closing and opening directions 4 1 Retrofitting of an Electric Multi Turn Actuator If the valve is supplied without incorporated electric actuator the torque and travel switches have to be set as follows after mounting the electric actuator 4 1 1 Move the valve manually in central position and check the direction of rotation of the motor by means of short switching impulses if necessary change the poles of the motor connection The valve closes when turning the handwheel in clockwise direction 4 1 2 Set the torque switches to the torques specified in the enclosed drawings 4 1 3 Move the valve manually in open position against the upper mechanical limit stop Then move the handwheel by 10 turns in closing direction and adjust the OPEN travel switch 4 1 4 Move the valve manually in closed position and adjust the CLOSED travel switch BA46E033 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 July 2005 07321 320 0 B 07321
6. between the body parts have to be protected against direct solar radiation Avoid the effects of radiant heat e g from heaters Installation into the Pipeline Remove all packing material from the valve Prior to installation check the pipeline for impurities and foreign bodies and clean it if necessary There must be free access all around the valve for operation and maintenance In case of flow media containing solid matters as e g sand etc and installation into horizontal pipelines the stem or the piston rod should not be installed with an inclination of more than 30 towards the horizontal Thus free flushing of the travel range of the gate is possible In case of deviating installation positions especially with suspended stem or piston rod deposits around the gate have to be expected This could lead to mal functions which increase maintenance work During installation of the valve the distance between the pipe flanges should exceed the valve face to face dimension by at least 20 mm Thus the raised faces will not be damaged and the gaskets can be inserted Steel reinforced rubber seals to DIN 2690 are recommended for use as flange gaskets for slip on flanges they are absolutely necessary consider resistance to flow medium and temperature The mating pipe flanges must be plain parallel and concentric Tighten the connecting bolts evenly without distortion and crosswise The pipeline mustn t by any means be pulled up to
7. the valve If the distance between the flanges is too large for the valve use thicker gaskets to cover the difference BA46E033 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 July 2005 07321 320 0 B 07321 320 491 e mail info erhard de Rev 4 Page 9 of 13 Internet http www erhard de Operating Instructions for ERU Knife Gate Valve K1 with electric actuator ERU Knife Gate Valves K1 are clamped between two flanges of the pipeline wafer type or screwed to the end flange of the pipeline as end of line valves The screwed connection with the pipeline is made from flange to flange by means of bolts in the through going holes For the threaded blind holes the screwed connection is made by means of stud bolts or bolts in the body components It is possible to roughly fasten the valve by means of the threaded holes The necessary connecting elements for the corresponding installation position are shown in drawing No 4E127 920 BA46E033 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 July 2005 a ct Page 10 of 13 y P amp 07321 320 0 B 07321 320 491 e mail info erhard de ev Internet http www erhard de Operating Instructions for ERU Knife Gate Valve K1 with electric actuator Connecting elements for flange connection to drawing 4E127920 THROUGH COING FOLE ZEB GUDGEON BOLT eae E DIN939 DIN EN 24034 DIN EN 24018 DIN EN 24016 DIN EN 2403 6 25 8 M76 8 16x
8. 30 1 w1exso 1 wi6x35 4 wi6xi70 4 16 8 M16x35 4 wr6xi20 4 w2oxss 8 uzo s wzox o 4 420 130 4 2 8 M20 8 ES gt gt A P b n FLANGE s N NO WAFER TYPE m gt 5 NS Cn INO C Wi gt Oo WN CN BO BO Bo B OIA I CO a oo nn oa 0 2 5 5 9 6 7 Cc RO 4 on 16 17 16 M20X40 4 4 M2 16 M20 M2 END OF LINE VALVE LUG TYPE ss ro wvexze 4 mexo M16x30 4 wie 4 00 13 4 M16x30 4 M16 4 M16X35 4 M16X80 4 M 4 wi6x40 4 M16 M20x35 4 M20 4 wzox o 4 M20xso M20 MZ0x40 4 m20 wzox o 4 NZ0x100 4 M20 M20x40 8 m20 8 20x45 4 N20x110 4 M20 45 20 8 M20x45 8 M20 8 M20X45 4 M20x120 4 20 BOLT LENGTHS APPLY TO WELDING NECK FLANGES TO 0132632 PN10 AND GASKET TO DIN2690 3MM THICK A ge o 5 oO RO Cc oO NO 0 oO INO C C N gt oio gt NO Cc NO gt NO JA o1
9. BA46E033 Operating Instructions ERHARD ERU Knife Gate Valve K1 DN 50 300 y Electric Actuator Safety Description of Product and Range of Application Design Features Technical Data Performance and Mode of Operation Storage Installation into the Pipeline Mounting Initial Operation Operation Maintenance OAOAN OAR WN These operating instructions must always be used in combination with operating instructions BA01E001 1 Safety Access to range of movement of the gate of ERU Knife Gate Valves with electric actuator has to be restricted by protective devices Effective protective devices have to be installed by the user On request we will supply suitable protective guards 2 Description of Product and Range of Application Type Design Product Number ERU Knife Gate Valve K1 4657 PN 10 ERU Knife Gate Valve K1 with regulating orifice 4623 PN 10 Design with electric actuator BA46E033 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 Page 1 of 13 zs 07321 320 0 B 07321 320 491 e mail info erhard de ev Internet http www erhard de Operating Instructions for ERU Knife Gate Valve K1 with electric actuator Product No Nominal Nominal Hydr test pressure in bars Max admissible diameter pressure for working pressure in B
10. CKWISE In case of wrong direction of rotation travel and torque switches are ineffective BA46E033 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 July 2005 7 of 13 y P amp 07321 320 0 B 07321 320 491 e mail info erhard de ev Internet http www erhard de Operating Instructions for ERU Knife Gate Valve K1 with electric actuator 4 3 Jogging Operation and Manual Emergency Operation Note before start up spindle and spindle nut are to be greased recommended lubricant see section Maintenance Attention If a foreign body is jammed in when operating the valve the torque switch for the corresponding direction responds and switches off the motor The time lag between response of the torque switch and disconnection of the motor from the network depends on the signal delay If another closing order is given in the original direction without having moved the valve sufficiently in the opposite direction the torque will increase If this procedure is repeated several times the torque will accumulate The valve and its operating elements are not designed for such an emergency and might be damaged We explicitly draw your attention to the fact that such jogging operation is inadmissible Jogging operating is admissible under the following conditions If the torque switch responds in intermediate position the valve must first be moved in the opposite direction until the torque switch
11. N 4 O Co CO 4 NN e AUMA CLOSING OPENING TIME IN SEC T T IN SEC ee Sa 6 8 11 2 x a ETE PET ET 134 4 zigi 00 on cS NS ea GNA ei ww NO oo OO wis lt _ 321 225 164 115 0036137512738 5431450132725 i 34 C o0 6 4 PE CA 801157 40 200 TR20x4 LH 366 51610 46 033 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 July 2005 07321 320 0 B 07321 320 491 e mail info erhard de Rev 4 Internet http www erhard de Page 4 of 13 Operating Instructions for ERU Knife Gate Valve K1 with electric actuator Parts lists and sets of spare parts for drawing 2E 39861 ji Replace profile seal Set1 every 2 years 2 Replace U shaped sealing element Set2 every 5 years 3 Replace stem Set3 if necessary 4 Replace stem nut Set4 if necessary Hem en Seti 56f2 Gots SM Body component 2 poaae O oo 3 Hexagonbolt T Y 4 Washer S o o 5 Hexagonnut doo Too T 6 Gate 1 JA 7 X 8 Gudetaope 9 Compesor 10 J J y 11 Covrplte T J Y 12 Washer o J J 13 Hexagonbolt o Do 14 A
12. completley returns to its original position Only now the valve may be moved again in the direction in which the disturbance occurred Proceeding this way you will obtain torques corresponding to the torques set at the torque switch Moreover the foreign matter can come off and be flushed out of the seating zone Operation by emergency handwheel If the valve is operated by means of the handwheel of the electric actuator the torque switches do not provide any safety function If a foreign body is jammed with the valve being in intermedite position excessive operating force particularly in case of high gear reduction might be damaging to the drive components Therefore we draw your attention to the following fact If any resistance is detected during emergency handwheel operation some turns must be made in the opposite direction before the handwheel is turned again in the direction in which the disturbance occurred flush out the foreign body Continue operation with utmost care in no case using excessive force If need be repeat flushing operation BA46E033 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 July 2005 07321 320 0 B 07321 320 491 e mail info erhard de Rev 4 Internet http www erhard de Page 8 of 13 Operating Instructions for ERU Knife Gate Valve K1 with electric actuator Storage Store ERU Knife Gate Valves K1 in their closed position Rubber coated components as e g the sealing element
13. ody Seat bars at a working DN PN temperature of max 70 C 4655 4656 4657 4623 lf EPDM profile seals are used for the ERU Knife Gate Valves K1 the parts of EPDM must not get in contact with oil or grease as the EPDM would swell For a recommended lubricant see section Maintenance ERU Knife Gate Valves K1 of this design are suitable for ON OFF operation For explicit regulating service special designs have to be used e g design with regulating orifice BA46E033 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 July 2005 2 of 13 y P amp 07321 320 0 B 07321 320 491 e mail info erhard de ev Internet http www erhard de Operating Instructions for ERU Knife Gate Valve K1 with electric actuator 3 Design Features Technical Data Drawing 2E 39861 ERU Knife Gate Valve K1 with electric actuator E6 H7 PROTECTIVE TUBE EZ H6 UP TO CENTRE OF GATE VALVE H2 TRAVEL BA46E033 July 2005 Rev 4 ELECTRIC ACTUATOR AEG EMG ii H5 UP TO CENTRE OF GATE VALVE ES PROTECTIVE TUBE NT SS A he A AN H GZ SN ML IN AN AN CU EZ 220 EE i Il EX m n e 7 VAN WE IER Rm D Go RN E 14 d AS CR M b hun i 11 CPP SS IM 9 29 SEA ZZ
14. oved regularly at short intervals every half year over the whole travel OPEN CLOSED Depending on the flow medium and the local conditions at the site of application the maintenance interval must be reduced or may be extended If the profile seal is found to be untight retighten the hexagon bolts of the cover plate evenly If it is no longer possible to retighten the cover plate replace the sealing elements Check gate and stem regularly for contaminations clean them if necessary and treat them with lubricant rub in a thin layer Recommended lubricant KL BERSYNTH VR69 252 company Kl ber Lubrication Munich opare parts and wearing parts according to drawing 2E 39861 BA46E033 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 July 2005 07321 320 0 B 07321 320 491 e mail info erhard de Rev 4 Page 13 of 13 Internet http www erhard de
15. rease gate Seat leakage Contamination of the gate With valve in open position clean and grease gate Defective U shaped sealing element Replace sealing element Contamination deposit on the gate With valve in open position Excessive operating forces clean and grease gate Stem running dry Regrease thread Operation blocked Residues of flow medium are Relieve pipe section from pressure hardened Clean and grease all accessible surfaces of gate and stem Slacken cover plate Slightly unscrew upper body bolts Knock on the valve with a rubber mallet trying to operate the valve If you are not successful remove dismantle clean replace damaged parts Foreign bodies jammed in the Move valve in OPEN position and repeat seating zone closing procedure BA46E033 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 July 2005 07321 320 0 B 07321 320 491 e mail info erhard de Rev 4 Internet http www erhard de Page 12 of 13 Operating Instructions for ERU Knife Gate Valve K1 with electric actuator Maintenance For inspection or repair the valve or parts thereof must not be removed unless the pipe section in which the valve is installed has been isolated and made pressureless If work is carried out in the vicinity of the valves which leads to soiling concrete work masonry painting sandblasting and the like the valves must be covered effectively ERU Knife Gate Valves K1 have to be m
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