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Installation, Operating & Maintenance Instructions «Easy close» all-metal angle valve with manual actuator Series 541 DN 16 – 63 mm (I. D. ⅝" – 2½") This manual is valid for the following product ordering numbers: 54124- . E02 - ..54132- .
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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.
Series 541 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 ...................
The fabrication number is engraved directly on the product. Fabrication number Use of product Use product for clean and dry vacuum applications only. Other applications are only allowed with the written permission of VAT. Suitable for XHV applications. Related documents • Product data sheet • Dimensional drawing...
Series 541 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.
SAFETY Series 541 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 On protective covers of T-9001-155 flanges Table 2-1...
Series 541 DESIGN AND FUNCTION Design and Function Design With manual actuator: Type 541 … - . E02 - …. Actuator Valve body Connecting flange Sealing surface Figure 3-1 291187ED Edition 2015-07-09 7/25...
DESIGN AND FUNCTION Series 541 Function Valve is closed and opened manually. Closing: Turn hexagon head or inner square clockwise to its stop. For moving the plate only a small closing torque is required. Then a second step with a steadily increasing torque (sealing the valve) will follow until the stop is reached.
• 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.
INSTALLATION Series 541 Installation into the system NOTICE Contamination Product may get contaminated. Always wear cleanroom gloves when handling the product. NOTICE Force effect from other components of the system Valve body may get deformed and/or malfunctions may occur. – Do not use valve to support other components. –...
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Series 541 INSTALLATION Remove plastic bag. Remove protective covers (1); see «Figure 4-1». 1 Protective covers Figure 4-1 Store protective covers. They may be useful when valve needs to be repacked. Clean sealing surfaces; see «Figure 3-1» on page 7, with cleanroom wiper soaked with pure alcohol (Isopropanol).
INSTALLATION Series 541 4.2.2 Mounting to the system Mount valve to your system by using appropriate flange screws (different quantity of screws required – depending on valve size). Mount screws evenly in crosswise order until the seal touches the sealing surface. Tighten all screws with the torques appropriate for the property classes of the screws.
Series 541 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. Normal operation Valve is closed and opened manually. Closing: Turn hexagon head or inner square clockwise to its stop. For moving the plate only a small closing torque is required.
OPERATION Series 541 Trouble shooting Failure Check Action Leak at gate Condition of gate Please contact VAT www.vatvalve.com seal Condition of Please contact VAT www.vatvalve.com valve gate Leak at body Condition of bonnet seal and Please contact VAT www.vatvalve.com sealing surface...
• When the valve has reached the specified lifetime; 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.
REPAIRS Series 541 Repairs WARNING Unqualified personnel Inappropriate handling may cause serious injury or property damage. Only qualified personnel are allowed to carry out the described work. 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.
If there is damage on one level, the replacement seal ring, of a different diameter, will seal at the next level. VAT offers a range of service kits; see «Table 11-1» on page 25. The seal exchange is easily carried out by the user.
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REPAIRS Series 541 Required material: Service kit 1 or 2 Ordering information: See chapter «11 Spare parts» on page 25 and «Figure 7-1» on page 17 NOTICE Inappropriate mounting position of valve Maintenance may be troublesome and parts may drop down. Ideally dismount valve from the system and put it on a clean workbench with the actuator upwards.
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Series 541 REPAIRS Make sure that the sealing surface is free of scratches. 12. Put new FLEX VATRING (Y1 or Y2) on sealing surface of plate (21/1). Make sure that the seal ring is installed in the correct direction. The marks on the ring (see figure 7-2) have to point towards the holding ring and not towards the bellows.
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Series 541 19. Put the flat seal (36/2) on sealing surface of valve body. VAT recommends using a new flat seal. In case of reutilization of the used flat seal please assemble it in the same direction as removed before.
Series 541 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. NOTICE Contamination Product may get contaminated. Always wear cleanroom gloves when handling the product. Dismounting Dismount valve according chapter «4 Installation», however in reverse order.
• 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.
PACKAGING AND TRANSPORT Packaging Cover all valve openings with protective covers; 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.
DISPOSAL Series 541 Disposal WARNING Harmful substances Environmental pollution. Discard products and parts according to the local regulations. 24/25 Edition 2015-07-09 291187ED...
«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.
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