Operating Instructions ERHARD ERU Knife Gate Valve K1
Contents
1. NO N gt NO JA o1 CA 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 BA46E032 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 Page 8 of 15 August 2003 07321 320 0 E 07321 320 491 e mail info erhard de Rev 3 Internet http www erhard de THREADED HOLE THROUGH GOING HOLE Operating Instructions for ERU Knife Gate Valve K1 with FESTO COPAC 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 BA46E032 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 Page 9 of 15 August 2003 07321 320 0 E 07321 320 491 e mail info erhard de Rev 3 Internet http www erhard de Operating Instr2. 13 Washer 14 Threadedsealingring Yoke 0 0 0 0 0 o T Cylindrical bolt ae 18 Washer J __ 19 Forkmut 20 Threadedpin I 21 Bot o 22 j Locingwashr 2 termediate MM FESTO Copac Linear actuator BA46E032 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 Page 15 of 15 August 2003 07321 320 0 E 07321 320 491 e mail info erhard de Rev 3 Internet http www erhard de
3. 320 491 e mail info erhard de Rev 3 Internet http www erhard de Operating Instructions for ERU Knife Gate Valve K1 with FESTO COPAC Actuator Drawing 4E139742 ERU Knife Gate Valve K1 with FESTO COPAC Cylinder ERU KNIFE GATE VALVE DN350 600 ERU K1 WITH PISTON ACIUATOR FESTO COPAC MEINEN 23 aM 24 _ 29 lt Y 22 20 21 19 is 16 17 0 44 19 gen 18 BEES 13 14 6 27 D 19 5 11 4 AN N Z Wt 5 e 10 2 sch 9 DN 350 600 8 FLANGE CONNECTING DIMENS IONS TO DIN 2532 PN 10 CONNECTING ELEMENTS FOR FLANGE CONNECTION TO DRAWING 4E131899 AND 4E127920 FACE TO FACE DIMENSION EN558 1 BASIC SERIES 20 FORMER DIN3202 PART 3 SERIES K1 BA46E032 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 Page 14 of 15 nap 2003 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 FESTO COPAC Actuator Parts lists and sets of spare parts for drawing 4E139742 du Replace profile seal Set every 2 years 2 Replace U shaped sealing element Set2 every 5 years Item Description Set2 1 Bodycompnen 2 element 3 jSmaghtpn J 4 Compressor 5 _ Packing cord square L Proflile rubber 8 Washer a Hexagon nut i Hexagon bolt 12 Hexagonnut
4. 2003 07321 320 0 E 07321 320 491 e mail info erhard de Rev 3 Internet http www erhard de Operating Instructions for ERU Knife Gate Valve K1 with FESTO COPAC Actuator Tighten the connecting bolts evenly without distortion and crosswise The pipeline mustn t by any means be pulled up to the valve If the distance between the flanges is too large for the valve use thicker gaskets to cover the difference 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 BA46E032 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 Page 7 of 15 August 2003 07321 320 0 E 07321 320 491 e mail info erhard de Rev 3 Internet http www erhard de Operating Instructions for ERU Knife Gate Valve K1 with FESTO COPAC Actuator Connecting elements for flange connection to drawing 4E127920 THROUGH COING FOLE ZEB GUDGEON HEX BOLT Ep Mi E DIN939 DIN EN 24034 DIN EN 24018 DIN EN 24016 DIN EN 2403 m16x2
5. g the sealing element between the body parts have to be protected against direct solar radiation Avoid the effects of radiant heat e g from heaters 6 Installation into the Pipeline Mounting 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 BA46E032 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 Page 6 of 15 August
6. 26 19 N Ib 15 NEY a f 1 BY 17 16 14 21 22 15 12 11 A 4 NN 1 p 2 2 2 7 Ea 7 _ Lll s VN AMAN 44444 22 N CA Nan 22 amp HN X BN Zo El NM E N gt Os O d BA46E032 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 Page 12 of 15 August 2003 07321 320 0 E 07321 320 491 e mail info erhard de Rev 3 Internet http www erhard de Operating Instructions for ERU Knife Gate Valve K1 with FESTO COPAC Actuator Parts lists and set of spare parts for drawing 4E139741 du Replace profile seal Set every 2 years 2 Replace U shaped sealing element Set2 every 5 years Item Description _ Set1 Set2 1 2 Seaingelement X 3 Hexagonbolt 4 Washer _ r Profiesesi XK 8 Guidetape X B emper LL Threaded pin Cover plate 12 j Washer 13 Hexagonbolt 14 Studbot Bearing support T 18 Hexagonnut 19 _ Cylindrical bolt T 20 Forknut J J 21 Bush o o 22 Bot 23 Washer l o 24 jCoterpn _ FESTO linear actuator BA46E032 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 Page 13 of 15 August 2003 07321 320 0 E 07321
7. 5 8 6 8 16x30 1 w1exso 1 w1exss 4 1 11 4 wiexss 8 m16 8 M16x35 4 2 w2oxss 8 uzo s wzox o 4 waoxiso Wa 8 M20 8 ES gt gt A P b n FLANGE N m NO WAFER m Cs C Wi N gt Oo WN CN BO BO Bo OIA 0 2 5 5 9 6 7 Cc 4 16 17 16 M20X40 4 4 M2 16 M20 M2 END OF LINE VALVE LUG TYPE ss ro wvexze 4 5512 M16x30 4 wie 4 00 13 4 M16x30 4 M16 4 M16X35 4 M16X80 4 M 4 wi6x40 4 M16 M20x35 4 wzox o 4 M20xso M20 4 MZ0x40 4 m20 4 wzox o 4 NZ0x100 4 M20 M20x40 8 m20 8 20x45 4 M20 45 20 8 M20x45 8 20 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 eoe co m Z oO RO oO NO 0 oO C C N gt oio gt
8. BA46E032 ERHARD ERU Knife Gate Valve DN 50 600 p With FESTO COPAC Actuator Operating Instructions 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 o 400i o These operating instructions must always be used in combination with operating instructions 1 Safety AN Access to the moving range of the gate of ERU Knife Gate Valves with piston actuator has to be restricted by means of protective devices Effective protective devices have to be installed by the user On request we will supply suitable protective guards BA46E032 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 Page 1 of 15 August 2003 T 07321 320 0 07321 320 491 e mail info erhard de Rev 3 Internet http www erhard de Operating Instructions for ERU Knife Gate Valve K1 with FESTO COPAC Actuator 2 Description of Product and Range of Application Type Design DN Product Number ERU Knife Gate Valve K1 50 350 4657 PN10 ERU Knife Gate Valve K1 with regulating orifice 50 350 4623 PN10 ERU Knife Gate Valve K1 400 600 4607 PN4 ERU Knife Gate Valve K1 with regulating orifice 400 600 4608 PN4 Product No Nominal Nominal Hydr test pressure in bars Max admissible size pressure for working pressure in bars at a working t
9. 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 EN 12266 and DIN EN 1074 at the manufacturer s plant They are designed for flow acting from any direction The pressurized piston moves the gate in OPEN CLOSED direction by means of the piston rod The limit positions are limited by piston stops in the cylinder The piston actuator is suitable for the supply medium filtered and oiled compressed air or filtered and compressed air without oil Note if oiled air is used the actuator must continue to be supplied with oiled air too the original lubricant is flushed out by the oil Operating Limits of Standard Design ERU Knife Gate Valve K1 DN50 600 PN10 4 Required supply pressures for piston actuators 100 100 125 100 125 125 160 160 250 160 250 160 250 250 250 250 320 Diameter Working Pressures Minimum supply pressures BA46E032 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 Page 5 of 15 August 2003 07321 320 0 E 07321 320 491 e mail info erhard de Rev 3 Internet http www erhard de Operating Instructions for ERU Knife Gate Valve K1 with FESTO COPAC Actuator Air consumption at 6 bars supply pressure theoretical values in NI B 5 Storage Store ERU Knife Gate Valves K1 in their closed position Rubber coated components as e
10. emperature of max 70 C 4657 4623 50 350 4607 4608 400 600 If 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 BA46E032 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 Page 2 of 15 August 2003 07321 320 0 E 07321 320 491 e mail info erhard de Rev 3 Internet http www erhard de Operating Instructions for ERU Knife Gate Valve K1 with FESTO COPAC Actuator 3 Design Features Technical Data Drawing 3E 63404 ERU Knife Gate Valve K1 with FESTO COPAC Actuator UID UU LANI d LL IN aS WO WUD 222035 2 TRAVEL DRILLING CONFIGURATION OF CONNECT ION TO VDI VDE 35845 FLANGE CONNECTING DIMEN SIONS TO DIN 2532 PN 10 CONNECTING ELEMENTS FOR FLANCE CONNECTION TO DRAWING 4 151899 AND 4 127920 FACE TO FACE DIMENSION TO EN558 1 BASIC SERIES 20 FORMER DINS202 PART 3 SERIES KI BA46E032 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 Page 3 of 15 August 2003 07321 320 0 E 07321 320 491 e mail info erhard de Rev 3 Internet http www erhard de Operating Instructions for ERU Knife Gate Val
11. m o e e 5 ERHAR ERHARD ERHAR ERHAR ERHAR ERHAR ERHAR ERHAR w ww o d M lt 80 65 A ERHAR 290 200 lt 80 50 A ERHAR 1 CL 3 2 as zt LO cO a eS ee a a LO t COO CY CN r 3 3 3 LO L CO OOO ONIN J LO LO O IO IM IN IN Page 4 of 15 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 BA46E032 07321 320 0 07321 320 491 e mail info erhard de August 2003 Rev 3 Internet http www erhard de Operating Instructions for ERU Knife Gate Valve K1 with FESTO COPAC Actuator 4 Performance 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
12. 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 moved 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 4E139741 4E139742 BA46E032 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 Page 11 of 15 August 2003 07321 320 0 E 07321 320 491 e mail info erhard de Rev 3 Internet http www erhard de Operating Instructions for ERU Knife Gate Valve K1 with FESTO COPAC Actuator Drawing 4E139741 ERU Knife Gate Valve K1 with FESTO COPAC Cylinder ERU KNIFE GATE VALVE DN50 3500 ERU K1 WITH PISTON ACTUATOR FESTO COPAC 27
13. uctions for ERU Knife Gate Valve K1 with FESTO COPAC Actuator 8 Operation Possible Causes 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 deposit on the gate With valve in open position clean and grease gate Seat leakage Contamination of the gate With valve in open position clean and grease gate Defective U shaped sealing Replace sealing element element With valve in open position clean and grease gate Excessive operating forces Contamination deposit on the 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 BA46E032 ERHARD Armaturen D 89502 Heidenheim Postfach 1280 Page 10 of 15 August 2003 07321 320 0 E 07321 320 491 e mail info erhard de Rev 3 Internet http www erhard de Operating Instructions for ERU Knife Gate Valve K1 with FESTO COPAC Actuator Maintenance For inspection or repair the valve or
14. ve K1 with FESTO COPAC Actuator Dimensioned table for drawing 3E 63404 cc m IN CASE SUPPLY PRESSURE IS BELOW 4 qo oJj o 0 lt gt ro IN CN CN CO 100 JL lie lt mR WLW O xr O O OI 5 1 IT gt lt w NINININI OIN u L u Eo Ee Ee N NINININININININININININIO ojojolojojojojojololojojojlojojojojoj P FRR CO LO LD CO Mm Ol OM OLN lt lt lt lt lt O ON e TIN TINT NIN LW LD Cl Ol UO LO LO LO CO CO NIN OIOI CO CO TT NENT NTN CN ED SF lt 1 Lu LO OIN NINIS J 18D WO cOl CN CN CO CO CO CO 00 lt W FLO FLO LO 1 Ole amp 2 amp 2 Oo al gt Li o
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