Specifications - Pneumatic Gate Valveeeeees
| SPECIFICATIONS |
| General: Nominal IDs: 1-1/2 to 12 inch Helium leak rate: <= 2×10-9 std.cc./sec. |
| Materials: Body: 304 SS vacuum furnace brazed body Bellows: Welded AM-350 O-ring: Viton standard Other compounds available |
| Finish: Electropolished inside and out |
| Maximum pressure differential at opening 4 inch ID or smaller: 760 Torr on gate side, 20 Torr on carriage side Greater than 4 inch ID: 20 Torr either direction Closed: 760 Torr in either direction |
| Vacuum range: Viton Seal Bonnet: >= 1 x 10-9 Torr Copper Seal Bonnet: >= 1 x 10-10 Torr |
| Temperature range: Viton Seal Bonnet: <= 150°C Copper Seal Bonnet: <= 200°C with CF flanges and gate in open position |
| Pneumatically actuated: Normall closed 120V, 50/60Hz air solenoid, standard, Maximum 80 psig operating air pressure, standard. (Higher operating pressures available upon request) Reed-switch position indicator, standard |
| Manually actuated: Acme threads for fewer turns |
| Thermal: Heater jackets and controllers available. Call for information and pricing |
| Options: Micro-switch O-rings Air solenoids heater jackets |
