19/05/2026
High-vacuum valves . This all-metal butterfly valve is designed for ultra-high vacuum environments.
It is driven by turning the handle with a specific torque
to open and close the valve disc. The shaft seal
is a stainless steel bellows seal, which offers a long service life
and excellent sealing performance. Its unique sealing design and
material selection ensure
that it maintains excellent sealing performance even in high-temperate
