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CF Flanged SS Fluorocarbon Bonnet Gate Valve (Manual)

Image Note The position of the leak slots may not be as pictured.

Valves handle applications in semiconductor and other processing, and are used most often to isolate pumps and sample entry locks from HV or UHV work chambers.

Features

  • CF Flanged (with Fluorocarbon O-Ring): Operate in the atmosphere to 10-9 torr pressure range, bakeable up to 150° C (in the open position)
  • General purpose Electropolished Stainless Steel
  • Vacuum brazed at 1,100° C to ensure reliable operation at HV and UHV pressures
  • Provide high conductance within a compact design
  • Shock-free operation with minimum vibration
  • 100,000-cycle service before requiring maintenance

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
100,000
Max Δ P
Before Open
22.5  Torr
Bonnet
Seal Type
Viton
Actuator
Type
Manual
Valve Body
Material
304L SS
Valve Seal
Material
Fluorocarbon
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Product Datasheet
For a download of the product datasheet, click here.
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Notes:
  • For ease of maintenance, the carriage assembly can be removed from the body without requiring removal of the valve from the system. Please contact us for options such as roughing ports or valves that remain open in the event of power failure.
  • Manual Gate valves with port ID's 3" and smaller. Do not have crank handle.

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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 international@lesker.com with your inquiry.
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Contact Us - CF Flanged SS Fluorocarbon Bonnet Gate Valve (Manual)