Bellows-sealed, With visual position indicator, Normally closed (n. c.), Service life, 1 million operating cycles
Spindle drive with ergonomic handwheel for continuous opening, Bellows-sealed, With visual indication of open and closed positions, Service life, 20000 operating cycles
Double acting (air to open / air to close), With elastomer seals for high vacuum operation, Additional bellows segments increase the service life, Can be operated in any orientation, Additional O-ring materials available
With elastomer seals for high vacuum operation, Stainless steel body with welded diaphragm bellows, Conductance continuously variable with handwheel (multi-turn), Fully retracting and opening, Additional O-ring materials available
Don't worry we won't leave you in a vacuum