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VAT 14036-E01, Installation, Operating, & Maintenance Instructions, Page: 26 / 43

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VAT 14036-E01 Installation, Operating, & Maintenance Instructions Download Page 26

MAINTENANCE 

Series 140

 

26/43 

Edition 14.07.2020 

875067EA

 

7.4 

Replacing gate O-ring 

 

 

NOTICE 

Contamination 

Product may get contaminated. 

Always wear cleanroom gloves when handling the product. 

 

 

 

NOTICE 

Inappropriate tools 

Sealing surfaces may get damaged. 

Do not use sharp-edged tools. 

 
 
Proceed as follows to replace the gate O-ring: 
 

1.  Remove valve gate. See chapter «7.3 Removing valve gate». 

 

 

 

Figure 7-5 

 

 

1 

Gate O-ring 

2 

Valve gate 

 

 

 
 
2.  Use O-ring removal tool (see chapter «7.2 Required tools») to remove gate O-ring (1) 

from groove. 

 

 

Do not damage the sealing surface! 

 

 

 

1

2

Summary of Contents for 14036-E01

Page 1: ... 2 16 This manual is valid for the following product ordering number s 14036 E01 06 08 14 24 28 34 44 48 14038 E01 06 08 14 24 28 34 44 48 14040 E01 06 08 14 24 28 34 44 48 14044 E01 06 08 14 24 28 34 44 48 14046 E01 06 08 14 24 28 34 44 48 14048 E01 06 08 14 24 28 34 44 48 14050 E01 06 08 14 24 28 34 44 48 14051 E01 06 08 14 24 28 34 44 48 14052 E01 06 08 14 24 28 34 44 48 Sample image ...

Page 2: ... duplicated or distributed without written permission from VAT Offenders are liable to pay damages The original VAT firmware and updated state of the art versions of the VAT firmware are intended for use with VAT products The VAT firmware contains a limited time unlimited user license The VAT firmware may not be used for purposes other than those intended nor is it permitted to make copies of the ...

Page 3: ...4 4 3 Compressed air connection 15 4 4 Electrical connection 15 5 Operation 16 5 1 Normal operation 16 5 1 1 Manually actuated 16 5 1 1 1 Lever actuated 16 5 1 1 2 Hand wheel actuated 16 5 1 2 Pneumatically actuated 17 5 1 2 1 Actuating main cylinder 17 5 1 2 2 Actuating auxiliary cylinder 17 5 1 2 3 Adjusting the intermediate position 18 5 2 Operation under increased temperature 20 5 3 Behavior i...

Page 4: ...020 875067EA 7 9 Installing rotary drive 34 8 Repairs 36 9 Dismounting and Storage 37 9 1 Dismounting 38 9 2 Storage 38 10 Packaging and Transport 39 10 1 Packaging 40 10 2 Transport 40 11 Disposal 41 12 Spare parts 42 13 Appendix 43 ...

Page 5: ...rder number 1 2 Use of product Use product for clean and dry vacuum applications only Other applications are only allowed with the written permission of VAT 1 3 Related documents Product data sheet Dimensional drawing 1 4 Important information This symbol points to a very important statement that requires particular attention Example VAT disclaims any liability for damages resulting from inappropr...

Page 6: ...tion Operating Maintenance Instructions are an integral part of a comprehensive documentation belonging to a complete technical system They must be stored together with the other documentation and accessible for anybody who is authorized to work with the system at any time 2 2 Danger levels DANGER High risk Indicates a hazardous situation which if not avoided will result in death or serious injury...

Page 7: ...ARNING Unqualified personnel Inappropriate handling may cause serious injury or property damage Only qualified personnel are allowed to carry out the described work 2 4 Safety labels Label Part No Location on valve T 9001 155 DN63 100 T 9001 156 DN160 400 Protective cover Table 2 1 ...

Page 8: ...2020 875067EA 3 Design and Function 3 1 Design 3 1 1 Manual actuated Figure 3 1 1 Valve body 2 Sealing surface 3 Valve plate 4 Manual drive 5 Locking bolt 6 Positioning lever 7 Bonnet flange 8 Position indicator 9 Hand wheel 1 2 3 4 5 6 7 1 2 3 4 8 9 7 ...

Page 9: ... 5 Compressed air connection 6 Position indicator 7 Power supply connection solenoid valve main cylinder 8 Position indicator signal connection 9 Bonnet flange 10 Compressed air connection main and auxiliary cylinder 11 Power supply connection solenoid valve auxiliary cylinder 12 Auxiliary cylinder for intermediate position 1 2 3 4 6 7 8 9 1 2 3 4 6 10 5 7 8 9 11 12 ...

Page 10: ...orward into the closing position The locking starts after the leaf spring stop touches the body The ball retainers move the ball pairs out of the detents Gate and counter plate are spread apart The gate seal is pressed against the sealing surface without scuffing The arrangement of the ball pairs ensures an increase of the sealing force with vacuum on either side of the gate During opening the mov...

Page 11: ...NG Heavy weight Physical overstraining Use a crane to lift the product 4 1 Unpacking Make sure that the supplied products are in accordance with your order Inspect the quality of the supplied products visually If it does not meet your requirements please contact VAT immediately Store the original packaging material It may be useful if products must be returned to VAT The valve can be lifted only a...

Page 12: ...ly mounted in the system NOTICE Contamination Product may get contaminated Always wear cleanroom gloves when handling the product NOTICE Inappropriate tools Sealing surfaces may get damaged Do not use sharp edged tools NOTICE Wrong tightening torque Valve body and screws may get damaged Use tightening torque according the size of the screws NOTICE Too long screws Valve body may get deformed and or...

Page 13: ...mber on the identification plate see chapter 1 1 Identification of product Example 14 P Flange type ISO F Valve Maximum screw in depth X in mm Nom I D Flange types mm inch C U P J T A 63 2 X 13 13 13 12 15 80 3 X 13 13 12 100 4 X 13 13 13 12 15 160 6 X 13 13 14 14 15 18 200 8 X 13 13 16 16 20 250 10 X 13 13 16 16 20 28 320 350 12 14 X 15 15 16 16 16 28 16 400 16 X 20 25 25 C CF F metric thread U C...

Page 14: ...and bending moments Forces from evacuating the system from the weight of other components or from baking can lead to deformation of the valve body and to malfunction of the valve The stress has to be relieved by suitable means e g bellows sections The following forces or moments are admissible DN nom I D Axial tensile or com pressive force FA Bending moment M mm inch N lbf Nm lbf ft 63 2 1960 440 ...

Page 15: ...ressed air according to the product data sheet and dimensional drawing 4 4 Electrical connection DANGER Electric shock Parts being under voltage will result in serious injury or death Do not touch parts being under voltage NOTICE Wrong voltage Electrical components may get damaged Supply electrical components with the correct voltage 1 Connect solenoid valve according to the product data sheet and...

Page 16: ...talled completely into the vacuum system 5 1 Normal operation 5 1 1 Manually actuated Valve is opened and closed manually by a lever or hand wheel 5 1 1 1 Lever actuated 1 Pull out and hold locking bolt 2 To open valve rotate lever counter clockwise 3 To close valve rotate lever clockwise The lever is fixed in position open and closed by the locking bolt 5 1 1 2 Hand wheel actuated 1 To open valve...

Page 17: ...witch off solenoid valve for main cylinder 5 1 2 2 Actuating auxiliary cylinder This section only applies if using a valve with 3 position pneumatic actuator 1 To move valve to intermediate position switch on solenoid valve for auxiliary cylinder 2 To move valve to open or closed position switch off solenoid valve for auxiliary cylinder Valve moves to either open or closed position after switching...

Page 18: ...g the intermediate position This section only applies if using a valve with 3 position pneumatic actuator The intermediate position can be adjusted independently from the compressed air pressure Figure 5 1 1 Micro switch adjustment screw 2 Locking screw 3 Bolt screw 1 2 3 ...

Page 19: ...ew 3 using an 8 mm Allen wrench Rotating the bolt screw clockwise moves the intermediate position towards the open position Rotating the bolt screw counter clockwise moves the intermediate position towards the closed position 3 Tighten locking screw 2 after intermediate position is adjusted Figure 5 2 1 Micro switch adjustment screw 2 Micro switch intermediate position 4 Rotate micro switch adjust...

Page 20: ...3 Behavior in case of air pressure drop Valve closed Valve remains closed and leak tight Valve open or intermediate position Valve position undefined 5 4 Behavior in case of power failure Standard solenoid valve Valve closes Solenoid valve for impulse actuation optional Valve position does not change but an already started movement will be completed ...

Page 21: ... connection Leak at gate Gate seal Clean or replace gate seal 7 3 Removing valve gate Operating pressure Adjust operating pressure Product data sheet Leak at body Bonnet seal and sealing surface Clean sealing surface Clean or replace bonnet seal 7 3 Removing valve gate steps 1 to 7 Rotary feed through Check leak tightness via integrated leak port Position referenced on dimensional drawing Table 6 ...

Page 22: ...d air supply disconnect electrical power supply WARNING Movable parts Human body parts may get jammed and severely injured Keep human body parts away from movable parts 7 1 Maintenance intervals Under clean operating conditions the valve does not require any maintenance during 200 000 cycles DN400 after 200 000 cycles in horizontal mounting position after 50 000 cycles in vertical mounting positio...

Page 23: ...page 42 Figure 7 1 7 3 Removing valve gate WARNING Loaded spring steel sheet Human body parts may get jammed and severely injured Do not put human body parts between valve gate and spring steel sheet NOTICE Contamination Product may get contaminated Always wear cleanroom gloves when handling the product NOTICE Inappropriate tools Sealing surfaces may get damaged Do not use sharp edged tools ...

Page 24: ...nt chambers on either side to atmospheric pressure 2 Open the valve 3 Disconnect compressed air supply 4 Disconnect electrical power supply Figure 7 2 1 Nuts 2 Bonnet seal 3 Bonnet flange 4 Bonnet screws 5 Loosen and remove bonnet screws 4 and nuts 1 6 Remove bonnet flange 3 7 Remove bonnet seal 2 1 4 3 2 ...

Page 25: ...EA Edition 14 07 2020 25 43 Figure 7 3 5 Gate lever 6 Locking screw 7 Crank bolt 8 Loosen and remove locking screw 6 using an Allen wrench 9 Remove crank bolt 7 Figure 7 4 8 Valve gate 10 Carefully pull out the valve gate 8 7 6 5 8 ...

Page 26: ...ng the product NOTICE Inappropriate tools Sealing surfaces may get damaged Do not use sharp edged tools Proceed as follows to replace the gate O ring 1 Remove valve gate See chapter 7 3 Removing valve gate Figure 7 5 1 Gate O ring 2 Valve gate 2 Use O ring removal tool see chapter 7 2 Required tools to remove gate O ring 1 from groove Do not damage the sealing surface 1 2 ...

Page 27: ...mechanism unit including lever as described in chapter 7 3 Removing 7 5 Installing valve gate WARNING Loaded spring steel sheet Human body parts may get jammed and severely injured Do not put human body parts between valve gate and spring steel sheet NOTICE Contamination Product may get contaminated Always wear cleanroom gloves when handling the product NOTICE Inappropriate tools Sealing surfaces ...

Page 28: ... 875067EA Proceed as follows to install the valve gate Figure 7 6 1 Valve gate 1 Clean valve gate 1 with an alcohol soaked cleanroom wipe 2 Carefully slide valve gate 1 into the valve body Figure 7 7 2 Gate lever 3 Locking screw 4 Crank bolt 1 4 3 2 ...

Page 29: ...lve body Check and make sure that to upper edge of the valve gate is inside the valve body Figure 7 8 5 Nuts 6 Bonnet seal 7 Bonnet flange 8 Bonnet screws 6 Inspect and clean bonnet seal 6 Replace if necessary 7 Position bonnet seal 6 in groove on valve body 8 Position bonnet flange 7 on bonnet seal 6 9 Install bonnet screws 8 and nuts 5 10 Tighten bonnet screws in crosswise order 11 Connect compr...

Page 30: ...on indicator 1 Vent chambers on either side to atmospheric pressure 2 Check and make sure valve is closed 3 Disconnect compressed air supply 4 Disconnect electrical power supply Figure 7 9 1 Slotted screws 2 Position indicator 5 Loosen and remove four slotted screws 1 using a slotted screwdriver 6 Remove position indicator 2 1 2 ...

Page 31: ...ion indicator 3 Flat wrench 2 If valve is not closed use a flat wrench 3 with appropriate size and rotate the square shaft of the rotary feedthrough counter clockwise until the valve is closed and locked 3 Position the position indicator 2 over the square shaft Do not tilt 4 Install four slotted screws 1 using a slotted screwdriver 5 Connect compressed air supply 6 Connect electrical power supply ...

Page 32: ...aces may get damaged Do not use sharp edged tools Proceed as follows to remove the rotary drive 1 Vent chambers on either side to atmospheric pressure 2 Check and make sure valve is closed 3 Disconnect compressed air supply 4 Disconnect electrical power supply 5 Remove valve gate See chapter 7 3 Removing valve gate 6 Remove position indicator See chapter 7 6 Removing position indicator Figure 7 11...

Page 33: ...Pull out and remove dowel pin 1 8 Pull out and remove gate lever 2 Figure 7 12 3 Screws and spring lock washers 4 Rotary drive 5 O ring 9 Loosen and remove screws and spring lock washers 3 10 Carefully pull out and remove rotary drive 4 11 Remove O ring 5 3 5 4 ...

Page 34: ...OTICE Inappropriate tools Sealing surfaces may get damaged Do not use sharp edged tools Proceed as follows to install the rotary drive Figure 7 13 1 Screws and spring lock washers 2 Rotary drive 3 O ring 4 Sealing surface 1 Clean sealing surface 4 with an alcohol soaked cleanroom wipe 2 Inspect and clean O ring 3 Replace if necessary 3 Position O ring 3 centered on sealing surface 4 1 4 3 2 ...

Page 35: ... lever 6 Position gate lever 7 on the square shaft of the rotary feed through Check and make sure that the drill holes on the gate lever and on the square shaft are matching up 7 Insert the dowel pin 6 8 Install valve gate See chapter 7 5 Installing valve gate 9 Install position indicator See chapter 7 7 Installing position indicator 10 Connect compressed air supply 11 Connect electrical power sup...

Page 36: ...epairs may only be carried out by the VAT service staff In exceptional cases the customer is allowed to carry out the repairs but only with the prior consent of VAT Please contact one of our service centers You will find the addresses on our website www vatvalve com ...

Page 37: ...avy weight Physical overstraining Use a crane to lift the product WARNING Hazardous components Human body parts may get jammed and severely injured Before dismounting the product disconnect compressed air supply disconnect electrical power supply WARNING Movable parts Human body parts may get jammed and severely injured Keep human body parts away from movable parts NOTICE Contamination Product may...

Page 38: ...structions 9 2 Storage NOTICE Wrong storage Inappropriate temperatures and humidity may cause damage to the product Valve must be stored at relative humidity between 10 and 70 temperature between 10 C and 50 C non condensing environment NOTICE Inappropriate packaging Product may get damaged if inappropriate packaging material is used Always use the original packaging material and handle product wi...

Page 39: ...cal ones from valve before you return the valve to VAT NOTICE Inappropriate packaging Product may get damaged if inappropriate packaging material is used Always use the original packaging material and handle product with care When returning products to VAT please fill out the VAT form Declaration of Chemical Contamination and send it to VAT in advance The form can be downloaded from our website ww...

Page 40: ...s with a protective foil 2 Pack valve appropriately by using the original packaging material VAT disclaims any liability for damages resulting from inappropriate packaging 10 2 Transport NOTICE Inappropriate packaging Product may get damaged if inappropriate packaging material is used Always use the original packaging material and handle product with care VAT disclaims any liability for damages re...

Page 41: ...age in the case of improper handling Observe local regulations in regard to waste disposal without fail Commission an authorized waste disposal company for the professional disposal of your waste NOTICE Improper disposal Some built in materials can cause damage if improperly handled When disposing take into account all the different materials used Hire an authorised waste disposal company to dispo...

Page 42: ...ontains spare parts that may be replaced by the customer If you need any other spare parts please contact one of our service centers You will find the addresses on our website www vatvalve com Description Part No Quantity per valve Maintenance procedure see chapter O ring removal tool 234859 1 7 2 Required tools Bonnet seal On request 1 7 3 Removing valve gate Valve gate completely lubricated On r...

Page 43: ...Series 140 APPENDIX 875067EA Edition 14 07 2020 43 43 13 Appendix ...

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