Attributes

Size (in) 3
Size (mm) 80
Flange Ends LFB80
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VAT10838-PE24

VAT Pneumatic UHV Gate Valve with LFB80 Ends

$3,257.00

Part ID: VAT10838-PE24

VAT’s Series 108 Pneumatic UHV Gate Valve is the standard valve for ultra-high vacuum (UHV) isolation applications in research and industry. Pneumatic valves come standard with a position indicator and without a solenoid valve. Solenoid valves are available upon request.

Main Features

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

Technical Data

  • Leak rate:
    • valve body: < 5x10-10 mbar ls-1
    • valve seat: < 1x10-9 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
    • Pneumatic actuator: ≤ 200°C
    • Solenoid valve: ≤ 50°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
  • Solenoid valve: 24 V DC, 5.4 W (others on request)
  • Position indicator contact rating:
    • Voltage: ≤ 50 V AC/DC
    • Current: ≤ 1.2 A
  • Valve position indication: visual (mechanical)

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