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REPAIRS

Series 121

20/27

Edition 2015-11-16

600968EA

7

Repairs

Repairs 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.

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Содержание 121 series

Страница 1: ...aintenance Instructions 600968EA Edition 2015 11 16 Vacuum gate valve with double acting pneumatic actuator Series 121 DN 63 320 mm I D 2 12 This manual is valid for the following product ordering num...

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: ...Admissible forces and bending moments 10 4 3 Compressed air connection 11 4 4 Electrical connection 11 5 Operation 12 5 1 Normal operation 12 5 2 Operation under increased temperature 12 5 3 Behavior...

Страница 4: ...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 5: ...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 6: ...nnel 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 15...

Страница 7: ...ers The ball pairs are in the detents For closing 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 ba...

Страница 8: ...e 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...

Страница 9: ...nded 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 seat side is marked with the symbol on flange...

Страница 10: ...elieved by suitable means e g bellows sections The following forces or bending 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 98...

Страница 11: ...essed 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 part...

Страница 12: ...med and severely injured Do not operate before product is installed completely into the vacuum system WARNING Hot surfaces Risk of burning when touching hot surfaces Do not touch hot surfaces 5 1 Norm...

Страница 13: ...vable parts Only valid for the ordering number 121 34 44 with solenoid valve In case of a power failure the valve can be actuated manually if compressed air is available Standard solenoid valve Press...

Страница 14: ...nect voltage 4 4 Electrical connection Leak at gate Gate seal all right Replace valve gate 6 4 Replacement of gate seal and bonnet seal Gate damaged or contaminated Replace valve gate 6 4 Replacement...

Страница 15: ...trical power supply WARNING Movable parts Human body parts may get jammed and severely injured Keep human body parts away from movable parts WARNING Hot surfaces Risk of burning when touching hot surf...

Страница 16: ...ired tools Torque wrench according Table 6 1 Cleanroom wiper soaked with alcohol 2 methyl ethyl ketone O Ring removal tool see Table 11 1 on page 27 Figure 6 1 6 4 Replacement of gate seal and bonnet...

Страница 17: ...tain upper valve body 5 in its position while losing and swinging out the screws 7 Lift upper valve body 5 carefully from lower part of body 1 without touching the body wall and put it on a clean plac...

Страница 18: ...rmly over long sides to opposite short side and press it fully into groove Make sure to have gate 2 see Figure 6 2 on seat side see Figure 6 4 on page 19 Align mechanism with opening of upper part of...

Страница 19: ...rews 2 see Figure 6 4 20 Tighten the screws 2 with the appropriate torque specified in chapter 6 2 Tightening torque specifications 21 Connect electrical power supply 22 Connect compressed air supply...

Страница 20: ...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 21: ...roduct 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 Mova...

Страница 22: ...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 23: ...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 24: ...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 25: ...Series 121 DISPOSAL 600968EA Edition 2015 11 16 25 27 10 Disposal WARNING Harmful substances Environmental pollution Discard products and parts according to the local regulations...

Страница 26: ...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 service centers You will find...

Страница 27: ...request 1 6 4 Replacement of gate seal and bonnet seal Gate O ring on request 2 6 4 Replacement of gate seal and bonnet seal Bonnet flange O ring on request 1 6 4 Replacement of gate seal and bonnet...

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