Detailed Product Description

Feature :
*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 200oC intermittently, Viton seal bonnet Compact size.
*Simple and fast maintenance.
*Simple control via solenoid valve with manual override.

Specifications:
*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 : 150 degree Viton seal bonnet *Larger or special size available upon request