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Installation, Operating &
Maintenance Instructions

603171EA

Edition 2014-04-29

Large pendulum valve

with double acting pneumatic actuator

Series 168
DN 400 – 500 mm (I. D. 16" – 20")

This manual is valid for the following product ordering numbers:

168..-….-….

Sample picture

Содержание 168 Series

Страница 1: ...ntenance Instructions 603171EA Edition 2014 04 29 Large pendulum valve with double acting pneumatic actuator Series 168 DN 400 500 mm I D 16 20 This manual is valid for the following product ordering...

Страница 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 u...

Страница 3: ...1 4 3 Compressed air connection 12 4 4 Electrical connection 12 5 Operation 13 5 1 Normal operation 13 5 2 Operation under increased temperature 13 5 3 Behavior in case of compressed air pressure drop...

Страница 4: ...Series 168 4 29 Edition 2014 04 29 603171EA 10 Disposal 26 11 Spare parts 27 12 Appendix 28 12 1 Assembly drawing 28 12 2 Gate mechanism assembly drawing 29...

Страница 5: ...number Order 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...

Страница 6: ...ion 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 acce...

Страница 7: ...alifications WARNING 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 Lab...

Страница 8: ...g the mechanism is moved forward 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 pla...

Страница 9: ...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 at the eyeb...

Страница 10: ...lfunctions may occur Use only screws recommended by VAT 1 Remove protective covers from body flanges 2 Clean sealing surfaces and seals of both flanges see 1 and 2 according to Figure 4 1 The valve se...

Страница 11: ...d to malfunction of the valve The stress has to be relieved by suitable means see Table 4 1 below The following forces or bending moments are admissible DN nom I D Axial tensile or com pressive force...

Страница 12: ...nge see product data sheet 1 Connect compressed air according to the product data sheet and dimensional drawing 4 4 Electrical connection DANGER Electric shock Parts being under voltage will result in...

Страница 13: ...operate before product is installed completely into the vacuum system 5 1 Normal operation Valve is opened and closed pneumatically 5 2 Operation under increased temperature Maximum allowed temperatur...

Страница 14: ...e Press push button valve opens Release push button valve closes Solenoid valve with lockable emergency operation option Standard solenoid valve with manual emergency operation 5 Solenoid valve in NOR...

Страница 15: ...rd position 4 Lock clamping screw 3 5 Apply air pressure according to chapter 5 5 1 3 position actuator control logic to move the gate into the intermediate position Repeat item 1 to 4 until required...

Страница 16: ...4 4 Electrical connection Leak at gate Gate seal all right Replace valve gate 6 3 Replacement of valve gate mechanism unit Gate damaged or contaminated Replace valve gate 6 3 Replacement of valve gat...

Страница 17: ...aintenance 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...

Страница 18: ...12 1 Assembly drawing and 12 2 Gate mechanism assembly drawing Pay attention Remove the bonnet 19 only if the valve is in open position 1 Vent chambers on either side to atmospheric pressure 2 Disconn...

Страница 19: ...seat surface of the valve body 1 1 use cleanroom wiper 18 Clean bonnet seal 2 2 with cleanroom wiper or replace bonnet seals if necessary 19 Clean bonnet seal surface at the valve body 1 1 with cleanr...

Страница 20: ...MAINTENANCE Series 168 20 29 Edition 2014 04 29 603171EA 27 Connect electrical power supply Valve is ready for use...

Страница 21: ...pairs 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 ce...

Страница 22: ...vy 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...

Страница 23: ...tructions 8 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...

Страница 24: ...al 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...

Страница 25: ...with a protective foil 2 Pack valve appropriately by using the original packaging material VAT disclaims any liability for damages resulting from inappropriate packaging 9 2 Transport NOTICE Inapprop...

Страница 26: ...DISPOSAL Series 168 26 29 Edition 2014 04 29 603171EA 10 Disposal WARNING Harmful substances Environmental pollution Discard products and parts according to the local regulations...

Страница 27: ...and those that need to be replaced by the VAT service staff Table 11 1 only contains spare parts that may be replaced by the customer If you need any other spare parts please contact one of our servi...

Страница 28: ...awing Figure 12 1 Item Description Item Description 1 1 Valve body 42 4 Centering ring 2 1 Bonnet 42 7 Centering ring screws 61 1 Bonnet screws 42 6 Plunger screws 2 2 Bonnet seal 42 5 Plunger 42 Posi...

Страница 29: ...Series 168 APPENDIX 603171EA Edition 2014 04 29 29 29 12 2 Gate mechanism assembly drawing Figure 12 2 Item Description 32 Gate seal 33 Counter plate seal...

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