VAT 48 Series Installation, Operating, & Maintenance Instructions
All-metal gate valve
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Summary of Contents for VAT 48 Series
- Page 1 Installation, Operating & Maintenance Instructions All-metal gate valve with extended pneumatic actuator and dust protection system Series 48 DN 200 mm (I.D. 8") This manual is valid for the following product ordering number: 48146-RE24-ASG . Sample pictures 857018EA Edition 2017-05-30...
- 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 DESCRIPTION OF PRODUCT 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
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. For weight of valve see product data sheet. -
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 Figure 3-1 1 Actuator 3 Connecting flange 2 Valve body 4 Distance piece 857018EA Edition 2017-05-30 7/26... -
Page 8: Function
DESIGN AND FUNCTION Series 48 Function Valve is closed and opened pneumatically. Closing: The valve mechanism including protection ring (8) moves towards the valve aperture until it touches the mechanical stop (4). Due to continued pressure, valve gate (1) with the assembled VATRING (7) and counter plate (2) spread apart from the guide plate (3). -
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 out of the transport box; see «Figure 4-1». Weight of valve; 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 Installation into the system... -
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 4.2.2 Mounting to the system The valve seat side is marked with the symbol «∇» on flange «A»; see «Figure 4-3». 1 Flange B 2 Flange A 3 Marking for valve seat side (symbol «∇») Figure 4-3 Mount valve to your system by welding it into your vacuum process line appropriately. -
Page 13: Compressed Air Connection
Series 48 INSTALLATION Compressed air connection WARNING Valve in open or closed 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 Execution Procedure To close Without solenoid Supply compressed air to connection “close”. valve the valve Release air through connection “open”. 48 ... - . E24- ..Table 5-2 Operation under increased temperature Maximum allowed temperature, see product data sheet. NOTICE Inconstant temperatures Performance of the valve may deteriorate. -
Page 17: Bake-Out
Series 48 OPERATION Bake-out Valve inside under vacuum pressure ≤ 10 mbar to prevent oxidation. Valve should be evacuated to vacuum pressure ≤ 10 mbar in intermediate position to reduce pump time. Easiest way to reach the position is to unlock the valve mechanism and disconnect the CDA supply. -
Page 18: Trouble Shooting
Operating Adjust operating «4.3 Compressed air pressure pressure connection» 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 pressure pressure connection»... -
Page 19: Maintenance
• When the valve has reached the specified life cycle; see product data sheet, we recommend to have it serviced by VAT or specially trained service staff of the customer. 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 20: Repairs
REPAIRS Series 48 Repairs Repairs may only be carried out by the VAT service staff or specially trained service staff of the customer. Please contact one of our service centers. You will find the addresses on our website www.vatvalve.com. 20/26... -
Page 21: Dismounting And Storage
Series 48 DISMOUNTING AND STORAGE 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 22: Dismounting
DISMOUNTING AND STORAGE Series 48 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 compressed air supply. After disconnecting the compressed air, make sure that the actuator is depressurized! Disconnect electrical power supply. -
Page 23: 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 24: 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 25: Disposal
Series 48 DISPOSAL Disposal WARNING Harmful substances Environmental pollution. Discard products and parts according to the local regulations. 857018EA Edition 2017-05-30 25/26... -
Page 26: 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 or specially trained service staff of the customer. • Please contact one of our service centers and specify the fabrication number of the product;...
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