Htc vacuum pendulum valve operating

HTC vacuum pendulum valve is to install a large throttle valve between the process vacuum chamber and the turbine molecular pump inlet.
The current pendulum valve design are constructed of Nickel plating or hard anodized stainless steel for corrosion resistant and less dust. It's vailable with ISO 250 flanges in sizes 10" and can be operated in pneumatic or APC mode.
This vacuum pendulum valve is usually designed as a gate valve or a pendulum valve, applications include OLED, FPD, and PV industries manufacturing systems.
See pendulum valve spec.: goo.gl/2Hf9wZ