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KF/ISO Flanged SS Million Cycle Gate Valves (Pneumatic) enlarge image tool
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KF/ISO 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
Pressure Torr
Min: 7.501 x 10-10 Torr
Max: 760 Torr

mbar
Min: 1.000 x 10-9 mbar
Max: 1013 mbar
Rates Helium Leak Rate
2.000 x 10-9 mbar*L/s
2.000 x 10-10 Pa*m^3/s
1.980 x 10-7 sccm
1.500 x 10-9 Torr*L/s
Temperature Actuator
60.0 ºC
140 ºF

Bakeable
150 ºC
302 ºF
Bellows
 Edge-welded
Shaft Seal
Material 		Bellows
Cycle
Life 		1,000,000
Solenoid Kit
Included 		No
Yes
Max Δ P
Before Open 		22.5  Torr
Bonnet
Seal Type 		Viton
Actuator
Type 		Pneumatic
Valve Body
Material 		304L SS
Valve Seal
Material 		Viton
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Product Datasheet
Product Datasheet
For a download of the product datasheet, click here.
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Contact Us
Questions? Let's Talk!
Contact your dedicated Lesker sales team today.
+1 800 245 1656
Note:
  • special case note
    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 +1 800 245 1656 or email salesus@lesker.com with your inquiry.
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Contact Us - KF/ISO Flanged SS Million Cycle Gate Valves (Pneumatic)