Manual UHV Angle Valve

VAT’s Series 284 UHV Angle Valve is excellent for pumping and venting of UHV systems when an extremely low outgassing rate is important. Suited for most corrosive gases.

Main Features

  • Sizes: DN 16–63 mm (5/8″–2.5″)
  • Actuator: manual with removable handwheel
  • Body material: stainless steel
  • Feedthrough: bellows
  • Standard flanges: CF-R (rotatable)

Technical Data

  • Leak rate:
    • Valve body: < 5×10-10 mbar ls-1
    • Valve seat: < 1×10-9 mbar ls-1
  • Pressure range: 5×10-10 mbar to 5 bar (abs)
  • Differential pressure on the plate:
    • In opening direction: ≤ 2.0 bar
    • In closing direction: ≤ 5.0 bar
  • Differential pressure at opening: ≤ 1 bar
  • Cycles until first service: 3 million
  • Temperature:
    • Valve body: ≤ 150°C
    • manual actuator: ≤ 120°C
  • Material:
    • Valve body:
      • DN 16, 40: AISI 304 (1.4301)
      • DN 63: AISI 316L (1.4404, 1.4435)
    • Plate: AISI 316L (1.4404, 1.4435)
    • Bellows: AISI 316L (1.4404, 1.4435)
  • Seal:
    • Bonnet: metal
    • Plate: FKM (Viton)
  • Mounting position: any
  • Valve position indication: visual (mechanical)

*Dimensions are in inches unless otherwise specified

Part IDReference NumberSize (mm) Size (in.) Flange Ends Availability 3D CADDrawingUnit PriceQty, Add To Cart
Part IDVAT28424-GE01Reference NumberVAT28424-GE01Size (mm) 16Size (in.) 5/8Flange Ends CF133Availability Call3D CADLoginDrawingLoginUnit Price$412.00
Part IDVAT28432-GE01Reference NumberVAT28432-GE01Size (mm) 40Size (in.) 1-1/2Flange Ends CF275Availability Typically Stocked3D CADLoginDrawingLoginUnit Price$528.00
Part IDVAT28436-GE01Reference NumberVAT28436-GE01Size (mm) 63Size (in.) 2-1/2Flange Ends CF450Availability Call3D CADLoginDrawingLoginUnit Price$1,182.00