Htc are the world-wide supplier of vacuum valves and vacuum components. Vacuum valves are used to vacuum chambers, vacuum equipment, vacuum systems, coating systems provide relief, control and regulate conductance or gas flow.

The vacuum valves can be of type, angle, gate, check, ball, shut off, needle, diaphragm, butterfly, in-line or straight through and with manual, solenoid, pneumatic or electro-pneumatic actuation. Different valves are normally used in rough or low vacuum, high vacuum HV and ultra high vacuum UHV.

Htc vacuum valves have KF, ISO and ANSI port models, are designed for high vacuum applications where vacuum pressures approximate 10^-9 torr and bake-out temperature do not exceed 150 degreesC. Htc offers manual operated valves or pneumatic actuated with bellows attached reed sensor, include angle valves, z-inline valves, y-inline valves and vacuum ball valves.

Angle Valve( Manually Operated )	Angle Valve ( Pneumatically Actuated )	Z-line Valve ( Manually Operated )
Z-line Valve ( Pneumatically Actuated )	Y-line Valve ( Manually Operated )	Y-line Valve ( Pneumatically Actuated )
Bakeable All Metal Valve	Ball Valve	Formed Bellows Seal Stainless Valve