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Tube End Pneumatic Ball Valves

The simple, robust design of ball valves provides high reliability vacuum line isolation in dirty applications. The pneumatic / spring operated ball valve is ideal for difficult-to-reach areas and also provides fail-safe function to the vacuum system. The standard configuration is spring-to-close, air-to-open. Please contact Nor-Cal Products for information about the spring-to-open as well as air-to-air actuated valves. 
Port ODs: 3/4, 1, 1 1/2 and 2 inches (19, 25, 38 and 50mm)
Materials:
    Body:  316L stainless steel 
    Ball:  316L stainless steel
    Stem seal:  FKM
       (other O-ring compounds available)
    Ball seal:  PTFE
Actuation:  Manual and pneumatic/spring
Helium Leak Rates:  <1x10-9 mbar l/sec to 
    atmosphere,     <1x10-7mbar l/sec across the seat.
Operating Temperature:  150°C Max.
Supply Pressure (pneumatic/spring version): 60-100 psig  (4-7 bar)
Vacuum Range:  1000 to 1x10-4 mbar
Options:  Heater jackets and controllers available for all valves. 
The simple, robust design of ball valves provides high reliability vacuum line isolation in dirty applications. The pneumatic / spring operated ball valve is ideal for difficult-to-reach areas and also provides fail-safe function to the vacuum system. The standard configuration is spring-to-close, air-to-open. Please contact Nor-Cal Products for information about the spring-to-open as well as air-to-air actuated valves. 

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