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Table of Contents
Related Manuals for VAT 168 Series
Summary of Contents for VAT 168 Series
- Page 1 Installation, Operating & Maintenance Instructions 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 603171EA Edition 2014-04-29...
- Page 2 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.
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Page 3: Table Of Contents
Series 168 Contents Description of product ................ 5 Identification of product..................5 Use of product ....................5 Related documents..................5 Important information ..................5 Technical data ....................5 Safety ....................6 Compulsory reading material ................6 Danger levels ....................6 Personnel qualifications ................... - Page 4 Series 168 Disposal ..................... 26 Spare parts ..................27 Appendix ................... 28 12.1 Assembly drawing ..................28 12.2 Gate mechanism assembly drawing .............. 29 4/29 Edition 2014-04-29 603171EA...
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Page 5: Description Of Product
• Dimensional drawing Important information This symbol points to a very important statement that requires particular attention. Example: VAT disclaims any liability for damages resulting from inappropriate packaging. Technical data See product data sheet and dimensional drawing. 603171EA Edition 2014-04-29... -
Page 6: Safety
SAFETY Series 168 Safety Compulsory reading material Read this chapter prior to performing any work with or on the product. It contains important information that is significant for your own personal safety. This chapter must have been read and understood by all persons who perform any kind of work with or on the product during any stage of its serviceable life. -
Page 7: Personnel Qualifications
Series 168 SAFETY Personnel qualifications WARNING Unqualified personnel Inappropriate handling may cause serious injury or property damage. Only qualified personnel are allowed to carry out the described work. Safety labels Label Part No. Location on valve T-9001-156 Protective cover Table 2-1 603171EA Edition 2014-04-29 7/29... -
Page 8: Design And Function
DESIGN AND FUNCTION Series 168 Design and Function Design 1 Flange 2 Valve body 3 Bonnet 4 Actuator Figure 3-1 Function The valve features the VATLOCK sealing technology. This means, the valve is mechani- cally locked in the closed position. In the open position, the mechanism is not locked. Leaf springs hold gate and counter-plate against the carriage with the ball retainers. -
Page 9: Installation
• 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. - Page 10 NOTICE Too long screws Valve body may get deformed and / or malfunctions may occur. Use only screws recommended by VAT. Remove protective covers from body flanges. Clean sealing surfaces and seals of both flanges; see (1) and (2) according to «Figure 4-1».
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Page 11: Admissible Forces And Bending Moments
«FA» inch lbf · ft 7840 1760 8820 1980 1078 If a combination of both forces («FA» and «M») occurs, the values mentioned above are invalid. Please contact VAT for more information. Table 4-1 603171EA Edition 2014-04-29 11/29... -
Page 12: Compressed Air Connection
INSTALLATION Series 168 Compressed air connection WARNING Valve in open position Risk of injury when compressed air is connected to the valve. Connect compressed air only when: – valve is installed in the vacuum system – moving parts cannot be touched Use clean, dry or slightly oiled air only. -
Page 13: Operation
Series 168 OPERATION Operation WARNING Unqualified personnel Inappropriate handling may cause serious injury or property damage. Only qualified personnel are allowed to carry out the described work. WARNING Movable parts Human body parts may get jammed and severely injured. Do not operate before product is installed completely into the vacuum system. Normal operation Valve is opened and closed pneumatically. - Page 14 OPERATION Series 168 Standard solenoid valve Press push-button: valve opens Release push-button: valve closes Solenoid valve with lockable emergency operation (option) Standard solenoid valve with Solenoid valve in “NORMAL” Solenoid valve in “MANUAL” manual emergency operation position position (push and turn 90°) Figure 5-1 14/29 Edition 2014-04-29...
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Page 15: 3-Position Actuator (Optional)
Series 168 OPERATION 3-position actuator (optional) 5.5.1 3-position actuator control logic Without solenoid valve With solenoid valve Solenoid Air inlet port Gate position Gate position OPEN CLOSE Open Open Intermediate Intermediate Close Close Power on coil Air pressure applied on specific port Air pressure not applied specific port No power on coil Impulse Solenoid (optional) -
Page 16: Trouble Shooting
OPERATION Series 168 1 SV “V1” 2 SV “V2” 3 Clamping screw 4 Adjustment screw 5 Adjustment screw PI Figure 5-2 Trouble shooting Failure Check Action Valve does not Air pressure Connect «4.3 Compressed air close / open compressed air connection»... -
Page 17: Maintenance
Maintenance intervals Under clean operating conditions the valve does not require any maintenance during the specified cycles; see product data sheet. After these cycles, VAT recommends replacing the mechanism unit; see chapter «6.3 Replacement of valve gate / mechanism unit». -
Page 18: Required Tools
MAINTENANCE Series 168 Required tools • Torque wrench 128 Nm • Cleanroom wiper soaked with alcohol (2% methyl ethyl ketone) • O-Ring removal tool; see «Table 11-1» on page 27 Figure 6-1 Replacement of valve gate / mechanism unit NOTICE Contamination Product may get contaminated. - Page 19 Series 168 MAINTENANCE Remove the position indicator screws (42/1/33). Remove position indicator (42). Remove the centering ring screws (42/7). 10. Remove centering ring (42/4). 11. Remove the plunger screws (42/6). 12. Remove plunger (42/5). Heavy gate mechanism (21)! In advance of the following steps make sure, that the gate mechanism is securely supported to prevent any hazard due to the heavy weight of the gate mechanism.
- Page 20 MAINTENANCE Series 168 27. Connect electrical power supply. Valve is ready for use. 20/29 Edition 2014-04-29 603171EA...
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Page 21: 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. -
Page 22: Dismounting And Storage
DISMOUNTING AND STORAGE Series 168 Dismounting and Storage WARNING Unqualified personnel Inappropriate handling may cause serious injury or property damage. Only qualified personnel are allowed to carry out the described work. WARNING Heavy weight Physical overstraining. Use a crane to lift the product. WARNING Hazardous components Human body parts may get jammed and severely injured. -
Page 23: Dismounting
Series 168 DISMOUNTING AND STORAGE Dismounting NOTICE Valve in open position Valve mechanism may get damaged if valve is in open position. Close valve before dismounting the valve from the system. Close valve. Carry out the steps according to chapter «4 Installation» in reverse order. Pay attention to the safety instructions! Storage NOTICE... -
Page 24: Packaging And Transport
• If products are radioactively contaminated, the VAT form «Contamination and Radiation Report» must be filled out. Please contact VAT in advance. • If products are sent to VAT in contaminated condition, VAT will carry out the decontamination procedure at the customer's expense. -
Page 25: Packaging
Valve mechanism may get damaged if valve is in open position. Make sure that the valve is closed. Cover all valve openings with a protective foil. Pack valve appropriately, by using the original packaging material. VAT disclaims any liability for damages resulting from inappropriate packaging. Transport NOTICE Inappropriate packaging Product may get damaged if inappropriate packaging material is used. -
Page 26: Disposal
DISPOSAL Series 168 Disposal WARNING Harmful substances Environmental pollution. Discard products and parts according to the local regulations. 26/29 Edition 2014-04-29 603171EA... -
Page 27: Spare Parts
«1.1 Identification of product». This is to ensure that the appropriate spare parts are supplied. • VAT makes a difference between spare parts that may be replaced by the customer and those that need to be replaced by the VAT service staff. -
Page 28: Appendix
APPENDIX Series 168 Appendix 12.1 Assembly drawing Figure 12-1 Item Description Item Description Valve body 42/4 Centering ring Bonnet 42/7 Centering ring screws 61/1 Bonnet screws 42/6 Plunger screws Bonnet seal 42/5 Plunger Position indicator 61/10 Mech. fastening screw 42/1/33 Pos. -
Page 29: Gate Mechanism Assembly Drawing
Series 168 APPENDIX 12.2 Gate mechanism assembly drawing Figure 12-2 Item Description Gate seal Counter-plate seal 603171EA Edition 2014-04-29 29/29...
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