Single acting, Normally closed (air-to-open / spring-to-close), Elastomer sealed for high vacuum service, Can be operated in any orientation, With visual position indicator, Service life: 3 million operating cycles
Quick opening by partly turning the rotary knob, Bellows-sealed, With visual indication of open and closed positions, Service life: 10,000 operating cycles, The valve must always be fully opened/closed (locked)
Ball made from stainless steel (1.4401) with a T- or L-shaped through hole, Ball valve with large-scale free clearance, Not overlap-free
Don't worry we won't leave you in a vacuum