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CF Flanged SS Million Cycle Gate Valves (Pneumatic)

Used with cryopumps, turbomolecular pumps, and ion pumps; ideal for applications requiring clean, high-vacuum, low-maintenance valves.

  • Rugged valves share the design features of the standard valves
  • Enhanced to withstand 1 million+ cycles before requiring service
  • Bellows reinforced for longer operating life
  • All moving joints are made of 304 stainless steel, hardened to increase durability, reduce particulate generation, and provide smoother actuation
  • Maintain closed status in the event of a power failure
  • Feature fluorocarbon seals (bakeable to 150° C) and electropneumatic operators
  • Body-mounted solenoid with manual override provides easy control
  • 120 VAC Solenoid incorporates speed controls for smoother actuation
  • 1.5" to 12.0" models are equipped with magnetic reed switches for position indicator

Specifications Table

Manufacturer KJLC
Shaft Seal
Pressure Torr
Min: 7.501 x 10-10 Torr
Max: 760 Torr

Min: 1.000 x 10-9 mbar
Max: 1.01 mbar

1.00 atm
Helium Leak Rate 2.000 x 10-9 mbar*L/s
1.500 x 10-9 Torr*L/s
1.980 x 10-7 sccm
2.000 x 10-10 Pa*m^3/s
Temperature Actuator
140 ºF
60.0 ºC

302 ºF
150 ºC

Solenoid Kit
Max Δ P
Before Open
22.5  Torr
Product Datasheet
For a download of the product datasheet, click here.
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  • Available options include larger sizes, microswitches, custom flanges, and latching-type solenoids. Please call if ordering options.

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Ordering Table

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Flange Selection Guide
With a variety of flanges to choose from, the Flange Selection Guide is designed to help you find one to meet your vacuum requirements. Shop Now!
Can't find the flange you need or want a custom configuration? Please call us at +1 412 387 9200 or email with your inquiry.
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Contact Us - CF Flanged SS Million Cycle Gate Valves (Pneumatic)