VAT 48 Series Installation, Operating, & Maintenance Instructions
All-metal gate valve with compact or extended pneumatic actuator
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Installation, Operating &
Maintenance Instructions
All-metal gate valve
with compact or extended pneumatic actuator
Series 48
DN 16–320 mm (I.D. ⅝"–12")
This manual is valid for the following product ordering numbers:
With compact actuator
48146- . E7 . - ....
48148- . E7 . - ....
48150- . E7 . - ....
48236- . E7 . - ....
48240- . E7 . - ....
48244- . E7 . - ....
Sample pictures
288914ED
With extended actuator
48124- . E .. - ....
48132- . E .. - ....
48146- . E .. - ....
48148- . E .. - ....
48150- . E .. - ....
48236- . E .. - ....
48240- . E .. - ....
48244- . E .. - ....
Edition 2013-05-24
-1
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Summary of Contents for VAT 48 Series
- Page 1 Installation, Operating & Maintenance Instructions All-metal gate valve with compact or extended pneumatic actuator Series 48 DN 16–320 mm (I.D. ⅝"–12") This manual is valid for the following product ordering numbers: With compact actuator With extended actuator 48146- . E7 . - ..48124- .
- 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 48 Contents Description of product ................ 4 Identification of product ..................4 Use of product ..................... 4 Related documents ..................... 4 Important information ..................4 Technical data ..................... 4 Safety ....................5 Compulsory reading material ................5 Danger levels ...................... 5 Personnel qualifications .................. -
Page 4: 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. Weights of standard valves: DN 16: 4 kg... -
Page 5: Safety
Series 48 SAFETY 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 6: Personnel Qualifications
SAFETY Series 48 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. Label size Location on valve (mm) DN 16–100: T-9001-155 20 ×... -
Page 7: Design And Function
Series 48 DESIGN AND FUNCTION Design and Function Design With compact actuator: With extended actuator: type 48 ... - . E7 . - ..type 48 ... - . E .. - ..Figure 3-1 435452 435452 1 Actuator 4 Sealing surface 2 Valve body 5 Distance piece 3 Connecting flange... -
Page 8: Function
DESIGN AND FUNCTION Series 48 Function Valve is closed and opened pneumatically. Closing: The valve mechanism moves towards the valve opening until it touches the mechanical stop (4). Due to continued pressure, valve gate (1) and counter plate (2) spread apart and effect leaktight closing. -
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: Installation Into The System
INSTALLATION Series 48 Use a crane for lifting valve DN100 and higher out of the transport box; see «Figure 4-1». Weight of standard valves; see chapter «1.5 Technical data». 1 Eyebolts 2 Lifting ropes A Valve movement direction B Support required to stabilize the valve Figure 4-1... -
Page 11: Preparation For Installation
Series 48 INSTALLATION 4.2.1 Preparation for installation WARNING Danger of injury in case of insufficient skills Inappropriate handling may cause serious injury or property damage. Make sure that the valve does not topple or fall down while removing the protective covers from the flanges. NOTICE Sensitive product Valve parts may get damaged. -
Page 12: Mounting To The System
INSTALLATION Series 48 Clean sealing surfaces; see «Figure 3-1» on page 7, with a cleanroom wiper soaked with pure alcohol (Isopropanol). Clean surface with clean, oil free compressed air. 4.2.2 Mounting to the system The valve seat side is marked with the symbol «» on flange «A»; see «Figure 4-3». -
Page 13: Compressed Air Connection
Series 48 INSTALLATION 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 NOTICE Wrong sequence of connections Valve mechanism may get damaged when electrical power is being... -
Page 14: Electrical Connection
INSTALLATION Series 48 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 sequence of connections Valve mechanism may get damaged when electrical power is being connected before compressed air is connected. -
Page 15: Operation
Series 48 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 closed and opened pneumatically. -
Page 16: Operation Under Increased Temperature
OPERATION Series 48 Action Solenoid Procedure To close Without solenoid At first, supply admissible compressed air to the valve connection OPEN. 48 ... - . E14- ..48 ... - . E24- ..Afterwards, supply admissible compressed air to 48 ... - . E72- ..connection CLOSE and release air through connection... -
Page 17: Bake-Out
Series 48 OPERATION Bake-out Inside under vacuum pressure 10 mbar to prevent oxidation. compact extended ≤ 200 °C in open and ≤ 300 °C in open and Valve: closed position closed position ≤ 200 °C for max.100 h * ≤... - Page 18 OPERATION Series 48 The solenoids are provided with manual emergency operation (slotted screw). This screw allows actuating the valve in case of a power failure. Compressed air must be supplied! Standard solenoid To close the valve: Turn the slotted screw (1) counter-clockwise to its stop. To open the valve: Turn the slotted screw (1) clockwise to its stop.
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Page 19: Trouble Shooting
Position of Turn slotted screw to «5.5.1 Manual emergency slotted screw the correct position operation» Leak at gate Condition of gate Please contact VAT www.vatvalve.com seal Condition of Please contact VAT www.vatvalve.com valve gate Operating Adjust operating «4.3 Compressed air... -
Page 20: Maintenance
Impacts from the process may require more frequent maintenance. When the valve has reached the specified life cycle; see product data sheet, we recommend to have it serviced by VAT. Please contact your nearest VAT service center to get recommendations and an offer. You will find the addresses on our website www.vatvalve.com. -
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 48 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 48 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. Disconnect electrical power supply. Disconnect compressed air supply. Dismount valve according chapter «4 Installation», however in reverse order. -
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. Mount protective covers on flanges; see chapter «4.2.1 Preparation for installation». 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 48 Disposal WARNING Harmful substances Environmental pollution. Discard products and parts according to the local regulations. 26/27 Edition 2013-05-24 288914ED... -
Page 27: Spare Parts
Non-original spare parts may cause damage to the product. Use original spare parts from VAT only. Parts may only be replaced by the VAT service staff. Please contact one of our service centers and specify the fabrication number of the product; see chapter «1.1 Identification of product». You will find the addresses on our website www.vatvalve.com.
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