Two connections required as accessories, Normally closed (n. c.), Service life: 2 million operating cycles
Bellows-sealed, Normally closed (n. c.), Two connections required as accessories, Service life: 1.5 million operating cycles, Variants: EVI 005 P = pneumatic (without pilot valve); EVI 105 P = electro-pneumatic (with pilot valve)
Two connections required as accessories, Bellows-sealed, Service life: 1.5 million operating cycles
Single acting, normally closed (air to open / spring 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