High conductance due to free clearance, Vulcanized valve disk seal, Service life: 50000 operating cycles
High conductance due to free clearance, Vulcanized valve disk seal, With visual indication of open and closed positions, Service life: 50000 operating cycles
High conductance due to free clearance, Service life: up to 200000 operating cycles
High conductance due to free clearance, With visual indication of open and closed positions, Service life: up to 200000 operating cycles
Don't worry we won't leave you in a vacuum