Manual HV Aluminum Inline Valve

VAT’s Series 265 HV Aluminum Inline Valve is an excellent valve for pumping and venting of high vacuum systems.

Series 26 valves are bellows sealed and designed for high vacuum applications in pumping systems, semiconductor technology, research systems, etc.

 Main Features

  • Sizes: DN 16–80 mm (5/8″–3″)
  • Actuator: manual with removable handwheel
  • Body material: aluminum (available in stainless steel upon request)
  • Feedthrough: bellows
  • Standard flanges: ISO-QF (ISO-KF), ISO-LF (ISO-K)

Technical Data

  • Leak rate (valve body, valve seat): < 1×10-9 mbar ls-1
  • Pressure range:
    • DN 16–50: 1×10-8 mbar to 5 bar (abs)
    • DN 80: 1×10-8 mbar to 4 bar (abs)
  • Differential pressure on the plate:
    • In opening direction:
      • DN 16–50: ≤ 2.0 bar
      • DN 80: ≤ 1.2 bar
    • In closing direction:
      • DN 16–50: ≤ 5.0 bar
      • DN 80: ≤ 4.0 bar
  • Differential pressure at opening: ≤ 1 bar
  • Cycles until first service: 10,000
  • Temperature:
    • Valve body: ≤ 150°C
    • Actuator: ≤ 120°C
  • Material:
    • Aluminum valve body:
      • DN 16–50: EN AW-6060 (3.3206), EN AW-6061 (3.3211), EN AW-6063 (3.3206), EN AW-6082 (3.2315)
      • DN 80: EN AC-42000
    • Plate: AISI 316L (1.4404, 1.4435)
    • Bellows: AISI 316L (1.4404, 1.4435), AISI 316 Ti (1.4571)
  • Seal (bonnet, gate): 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 IDVAT26524-KA01Reference NumberVAT26524-KA01Size (mm) 16Size (in.) 5/8Flange Ends QF16Availability Typically Stocked3D CADLoginDrawingLoginUnit Price$328.00
Part IDVAT26528-KA01Reference NumberVAT26528-KA01Size (mm) 25Size (in.) 1Flange Ends QF25Availability Typically Stocked3D CADLoginDrawingLoginUnit Price$359.00
Part IDVAT26532-KA01Reference NumberVAT26532-KA01Size (mm) 40Size (in.) 1-1/2Flange Ends QF40Availability Typically Stocked3D CADLoginDrawingLoginUnit Price$401.00
Part IDVAT26534-KA01Reference NumberVAT26534-KA01Size (mm) 50Size (in.) 2Flange Ends QF50Availability Call3D CADLoginDrawingLoginUnit Price$602.00
Part IDVAT26538-QA01Reference NumberVAT26538-QA01Size (mm) 80Size (in.) 3Flange Ends LF80Availability Call3D CADLoginDrawingLoginUnit Price$1,066.00