VAT 09.1 Series Installation, Operating,  & Maintenance Instructions Download Page 1

Installation, Operating & 
Maintenance Instructions 

 

 

1088779EA 

Edition 19.05.2021 

 

 

HV gate valve 

with pneumatic actuator 

 

Series 091 
DN 50

 

 

200 mm (I. D. 2"

 

 

8") 

 
 
This manual is valid for the following product ordering numbers: 

091 . . - . E14/24/34/44/46 

 
 

 

Sample picture 
 
 

Summary of Contents for 09.1 Series

Page 1: ... Maintenance Instructions 1088779EA Edition 19 05 2021 HV gate valve with pneumatic actuator Series 091 DN 50 200 mm I D 2 8 This manual is valid for the following product ordering numbers 091 E14 24 34 44 46 Sample picture ...

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: ...orces 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 in case of compressed air pressure drop 12 5 4 Behavior in case of power failure 12 5 4 1 Manual emergency operation 12 6 Trouble shooting 14 7 Maintenance 15 7 1 Maintenance intervals 15 7 2 Required tools 15 7 ...

Page 4: ...der 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 inappropri...

Page 5: ...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 6: ...qualifications 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 Label Part No Location on valve T 9001 156 Protective cover Table 2 1 ...

Page 7: ...alve sealing principle is based on a wedge shape gate design The gate seal is pressed against the sealing surface by means of a pneumatic actuator The valve is standard equipped with a bellows feedthrough Optional the valve can be equipped with a shaft feedthrough with or without PTFE protection bellows 1 Gate 2 Sliding elements 3 Gate seal 4 Bellows Valve seat side Figure 3 2 4 3 2 1 ...

Page 8: ... 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 4 2 Installation into the system WARNING Movable parts Human body parts may get jammed and severely injured Do not connect or supply electrical power and compressed air before the product is completely mounted in the system NOTICE Contamin...

Page 9: ...d and or malfunctions may occur Use only screws recommended by VAT Identify flange type according the fabrication number on the identification plate see Example 091 P Flange type ISO F Valve Maximum screw in depth G in mm Nom I D Flange types mm inch C U P J T 63 2 G 12 12 12 12 12 80 3 G 12 12 12 12 12 100 4 G 12 12 12 12 12 160 6 G 12 12 15 15 15 200 8 G 16 C CF F metric thread U CF F UNF thread...

Page 10: ... 440 78 58 80 3 2450 560 98 72 100 4 2450 560 98 72 160 6 2940 660 147 108 200 8 2940 660 147 108 If a combination of both forces FA and M occurs the values mentioned above are invalid Please contact VAT for more information Table 4 2 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 wit...

Page 11: ...pressed 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 an...

Page 12: ... completely into the vacuum system 5 1 Normal operation Valve is opened and closed pneumatically 5 2 Operation under increased temperature Maximum allowed temperature see product data sheet 5 3 Behavior in case of compressed air pressure drop See product data sheet 5 4 Behavior in case of power failure See product data sheet 5 4 1 Manual emergency operation WARNING Movable parts Human body parts m...

Page 13: ...pressed air is available Solenoid valve standard Emergency operation Press push button 1 and or rotate push button 90 CW valve opens Release push button 1 or rotate push button back to initial orientation valve closes Solenoid valve for impulse actuation option Press push button 1 valve opens Press push button 2 valve closes ...

Page 14: ...connection Leak at gate Gate seal all right Replace gate seal 7 3 Cleaning of the valve gate and body Gate damaged or contaminated Contact VAT www vatvalve com Operating pressure Adjust operating pressure Product data sheet Leak at body Bonnet seal and sealing surface all right Clean sealing surface if necessary replace bonnet seal 7 3 Cleaning of the valve gate and body Table 6 1 If you need any ...

Page 15: ...amination from the process may influence the function and requires more frequent maintenance After these cycles VAT recommends to clean the gate seal or if needed replace the gate seal Recommendation under harsh process conditions Annual inspection and replacement of seal kit and bellows feed through to achieve the highest possible safety level For more information or a general overhaul please con...

Page 16: ...Always wear cleanroom gloves when handling the product NOTICE Inappropriate tools Sealing surfaces may get damaged Do not use sharp edged tools Do not clean the O ring with alcohol because alcohol may damage the surface of the O rings we recommend to treat the O rings with a small amount of vacuum grease 1 Vent chambers on either side of the valve to atmospheric pressure 2 Open the valve 3 Disconn...

Page 17: ... 1088779EA Edition 19 05 2021 17 27 6 Pull out valve insert 2 from valve body 3 see Figure 7 1 1 Screws 2 Valve insert 3 Valve body Figure 7 1 7 Identify seat side marker see Figure 7 2 1 Seat side marker Figure 7 2 1 2 3 1 ...

Page 18: ... change the gliders Peek tabs on both sides of the gate see item 11 and 12 10 Continue with step 13 when the gliders are not replaced 11 Remove gliders from the front and backside of the gate with a small edge shaped tool e g screwdriver Squeeze tool into gap between glider and gate a see Figure 7 4 Push down the tool b to release glider from pocket and remove glider c 1 Glider 2 Gate 3 Gap betwee...

Page 19: ...cratch O ring sealing surface 6 Bellows sealing surface 7 Bonnet O ring 13 Gate O ring Figure 7 5 15 Mount valve insert 2 into the valve body 3 Figure 7 1 on page 17 Assure that the gate O ring is facing the valve body seat side marker see Figure 7 2 on page 17 16 Mount screws 1 according to Figure 7 1 on page 17 17 Connect compressed air supply 18 Connect electrical power supply Valve is ready fo...

Page 20: ...d to carry out the repairs but only with the prior consent of VAT 8 1 Fixed price refurbishment The VAT customer service can refurbish the product or individual components for you Wear sensitive parts are replaced and the warranty on the replaced parts is extended Please contact one of our service centers You will find the addresses on our website www vatvalve com ...

Page 21: ...carry out the described work 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 get contaminated Always wear cleanro...

Page 22: ...nstructions 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 w...

Page 23: ... 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 www vatvalve com If products are radioa...

Page 24: ...gs 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 r...

Page 25: ...mage 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 disp...

Page 26: ...nd those that need to be replaced by the VAT service staff Table 12 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 the addresses on our website www vatvalve com Description Part No Quantity per valve Maintenance procedure see chapter Seal kit On request 1 7 3 Cleaning of the valve gate and b...

Page 27: ...Series 091 APPENDIX 1088779EA Edition 19 05 2021 27 27 13 Appendix ...

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