Vacuum Valve-Manually & Pneumatically

HTC is pleased to offer vacuum valves designed and manufactured in Taiwan, R.O.C. These valves are the result of a long and careful development program designed to insure product quality, reliability and value. Every effort has been madw to provide a valve family suited to the requirements of various users.
Long life operation.
Stainless steel welded bellows seal.
Manual and electropneumatic actuation or fail safe operators ( closes in the event of air pressure loss ).
Bakeable to 200 degree C intermittently, Viton seal bonnet Compact size.
Simple and fast maintenance.
Simple control via solenoid valve with manual override.

Body : 304 S.S. ( Other material available upon request )
Poppet : 304 S.S. (Other material available upon request )
Bellows : Welded AM-350 (option)
Solenoid: Option
Position indicator : Option
Seal : Viton O'ring
Leak rate : 2 x 10-9 std.cc./second
Pressure range : 1 x 10-9 torr to 760 torr Viton seal bonnet
Maximum Pressure before opening : 1.2 Bar
Operating air pressure : 4 ~ 6.5 kg/cm2
Cycles until service : 16 to 50 ~ 500,000
( full orifice open ) 63 to 150 ~ 250,000
200 to larger ~ application dependent
Bake-out limitation : 150degree C Viton seal bonnet
Larger or special size available upon request