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)
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
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
Single acting, normally closed (air to open / spring to close), The actuators can be removed quickly for inspection/maintenance without disassembling the system, Can be operated in any orientation, Heaters and insulators available, Additional O-ring materials available
Don't worry we won't leave you in a vacuum