Manual Easy Close All-Metal Angle Valve

VAT’s Series 541 All-Metal Angle Valve is an isolation valve for UHV and extreme UHV applications, e.g. for pump isolation on pumping systems, intermediate pumping of gauge ports, gas handling in tritium systems, industrial applications, R&D, labs, etc.

Main Features

  • Sizes: DN 16–63 mm (5/8″–2.5″)
  • Actuator: manual, hexagon head – handwheel and T-bar tool available
  • Body material: stainless steel
  • Standard flanges: CF-R (rotatable)
  • Sealing technology: FLEX VATRING

Technical Data

  • Leak rate:
    • Valve body: < 1×10-10 mbar ls-1
    • Valve seat: < 1×10-10 mbar ls-1
  • Pressure range: XHV to 2 bar (abs)
  • Differential pressure on the plate: ≤ 2 bar
  • Differential pressure at opening: ≤ 1 bar (> 1 bar with reduced number of cycles)
  • Lifetime: ≥ 1,000 cycles
  • Bake-out temperature (in open and closed position): ≤ 300°C
  • Heating and cooling rate: ≤ 60°C h-1
  • Material (valve body, mechanism, bellows): AISI 316L (1.4404, 1.4435)
  • Seal (bonnet, plate): metal
  • Feedthrough: bellows
  • Mounting position: any
  • Valve position indication: visual (mechanical)
  • Conductance (molecular flow):
    • DN 16: 5 ls-1
    • DN 40: 50 ls-1
    • DN 63: 105 ls-1
  • Closing force: closes at a mechanical stop

*Dimensions are in inches unless otherwise specified

Part IDReference NumberSize (mm) Size (in.) Flange Ends Availability 3D CADDrawingUnit PriceQty, Add To Cart
Part IDVAT54124-GE02Reference NumberVAT54124-GE02Size (mm) 16Size (in.) 5/8Flange Ends CF133Availability Call3D CADLoginDrawingLoginUnit Price$719.00
Part IDVAT54132-GE02Reference NumberVAT54132-GE02Size (mm) 40Size (in.) 1-1/2Flange Ends CF275Availability Typically Stocked3D CADLoginDrawingLoginUnit Price$794.00
Part IDVAT54136-GE02Reference NumberVAT54136-GE02Size (mm) 63Size (in.) 2-1/2Flange Ends CF450Availability Call3D CADLoginDrawingLoginUnit Price$1,955.00