Manual UHV Gate Valve

VAT’s Series 108 UHV Gate Valve is the standard valve for ultra-high vacuum (UHV) isolation applications in research and industry.

Main Features

  • Sizes: DN 63–200 (2.5″–12″)
  • Actuator: manual with crank handle
  • Body material: stainless steel
  • Feedthrough: bellows
  • Standard flanges: ISO-LFB (ISO-F), CF (fixed)
  • Sealing technology: VATLOCK

Technical Data

  • Leak rate:
    • valve body: < 5×10-10 mbar ls-1
    • valve seat: < 1×10-9 mbar ls-1
  • Pressure range:
    • DN 63–200: 1×10-10 mbar to 1.6 bar (abs)
    • DN 250–320: 1×10-10 mbar to 1.2 bar (abs)
  • Differential pressure on the gate:
    • DN 63–200: ≤ 1.6 bar
    • DN 250–320: ≤ 1.2 bar
  • Differential pressure at opening: ≤ 30 mbar
  • Cycles until first service: 50,000
  • Temperature:
    • Valve body: ≤ 250°C open / ≤ 200°C closed
    • Manual actuator: ≤ 250°C
    • Position indicator: ≤ 80°C
  • Heating and cooling rate: ≤ 50°C h-1
  • Material:
    • Valve body: AISI 304 (1.4301)
    • Mechanism:
      • DN 63–200: AISI 316L (1.4404)
      • DN 250–320: AISI 304 (1.4301)
    • Bellows: AISI 316L (1.4404, 1.4435)
  • Seal:
    • Bonnet: metal
    • Gate: FKM (Viton)
  • Mounting position: any
  • Valve position indication: visual (mechanical)

*Dimensions are in inches unless otherwise specified

Part IDReference NumberSize (in) Size (mm) Flange Ends Availability 3D CADDrawingUnit PriceQty, Add To Cart
Part IDVAT10836-PE01Reference NumberVAT10836-PE01Size (in) 2-1/2Size (mm) 63Flange Ends LFB63Availability Call3D CADLoginDrawingLoginUnit Price$2,424.00
Part IDVAT10838-PE01Reference NumberVAT10838-PE01Size (in) 3Size (mm) 80Flange Ends LFB80Availability Call3D CADLoginDrawingLoginUnit Price$3,033.00
Part IDVAT10840-PE01Reference NumberVAT10840-PE01Size (in) 4Size (mm) 100Flange Ends LFB100Availability Call3D CADLoginDrawingLoginUnit Price$3,033.00
Part IDVAT10844-PE01Reference NumberVAT10844-PE01Size (in) 6Size (mm) 160Flange Ends LFB160Availability Call3D CADLoginDrawingLoginUnit Price$3,815.00
Part IDVAT10846-PE01Reference NumberVAT10846-PE01Size (in) 8Size (mm) 200Flange Ends LFB200Availability Call3D CADLoginDrawingLoginUnit Price$5,152.00
Part IDVAT10848-PE01Reference NumberVAT10848-PE01Size (in) 10Size (mm) 250Flange Ends LFB250Availability Call3D CADLoginDrawingLoginUnit Price$8,857.00
Part IDVAT10850-PE01Reference NumberVAT10850-PE01Size (in) 12Size (mm) 320Flange Ends LFB320Availability Call3D CADLoginDrawingLoginUnit Price$13,758.00
Part IDVAT10836-UE01Reference NumberVAT10836-UE01Size (in) 2-1/2Size (mm) 63Flange Ends CF450Availability Typically Stocked3D CADLoginDrawingLoginUnit Price$2,067.30
Part IDVAT10838-UE01Reference NumberVAT10838-UE01Size (in) 3Size (mm) 80Flange Ends CF462Availability Call3D CADLoginDrawingLoginUnit Price$3,033.00
Part IDVAT10840-UE01Reference NumberVAT10840-UE01Size (in) 4Size (mm) 100Flange Ends CF600Availability Typically Stocked3D CADLoginDrawingLoginUnit Price$3,033.00
Part IDVAT10844-UE01Reference NumberVAT10844-UE01Size (in) 6Size (mm) 160Flange Ends CF800Availability Typically Stocked3D CADLoginDrawingLoginUnit Price$3,815.00
Part IDVAT10846-UE01Reference NumberVAT10846-UE01Size (in) 8Size (mm) 200Flange Ends CF1000Availability Call3D CADLoginDrawingLoginUnit Price$5,152.00
Part IDVAT10848-UE01Reference NumberVAT10848-UE01Size (in) 10Size (mm) 250Flange Ends CF1200Availability Call3D CADLoginDrawingLoginUnit Price$8,857.00
Part IDVAT10836-CE01Reference NumberVAT10836-CE01Size (in) 2-1/2Size (mm) 63Flange Ends CF450 - MetricAvailability Typically Stocked3D CADLoginDrawingLoginUnit Price$2,424.00
Part IDVAT10838-CE01Reference NumberVAT10838-CE01Size (in) 3Size (mm) 80Flange Ends CF462 - MetricAvailability Call3D CADLoginDrawingLoginUnit Price$3,033.00
Part IDVAT10840-CE01Reference NumberVAT10840-CE01Size (in) 4Size (mm) 100Flange Ends CF600 - MetricAvailability Typically Stocked3D CADLoginDrawingLoginUnit Price$2,586.00
Part IDVAT10844-CE01Reference NumberVAT10844-CE01Size (in) 6Size (mm) 160Flange Ends CF800 - MetricAvailability Call3D CADLoginDrawingLoginUnit Price$3,815.00
Part IDVAT10846-CE01Reference NumberVAT10846-CE01Size (in) 8Size (mm) 200Flange Ends CF1000 - MetricAvailability Call3D CADLoginDrawingLoginUnit Price$5,152.00
Part IDVAT10848-CE01Reference NumberVAT10848-CE01Size (in) 10Size (mm) 250Flange Ends CF1200 - MetricAvailability Call3D CADLoginDrawingLoginUnit Price$8,857.00