Pneumatic Gate Valves

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Specifications

MODEL NUMBERNOM.
ID
FLANGE
TYPE
CONDUCTANCE
(molecular-l/sec.)
ABCDEFG
GV-1502-NW11/2NW-40984.693.401.992.003.613.312.45
GV-1502-CF11/22.75 CF1304.693.402.032.003.613.312.45
GV-2002-NW2NW-502205.604.121.992.003.613.812.96
GV-2002-CF23.38 CF3005.604.122.282.003.613.812.96
GV-2502-CF21/24.50 CF5206.504.812.402.003.614.373.52
GV-2502-ASA21/2ASA-6*6106.504.812.032.003.614.373.52
GV-2502-ISO21/2ISO-636106.504.812.032.003.614.373.52
GV-2502-ISO-OF21/2ISO-63-OF3206.504.813.462.003.614.373.52
GV-3002-CF34.62 CF8407.705.772.532.003.614.944.28
GV-3002-ASA3ASA-7.5*1,0707.705.772.032.003.614.944.28
GV-3002-ISO3ISO-801,0707.705.771.972.003.614.944.28
GV-3002-ISO-OF3ISO-80-OF5507.705.773.842.003.614.944.28
GV-4002-CF46.00 CF1,70010.768.132.973.117.907.005.65
GV-4002-ASA4ASA-9*2,10010.768.132.413.117.907.005.65
GV-4002-ISO4ISO-1002,10010.768.132.413.117.907.005.65
GV-4002-ISO-OF4ISO-100-OF1,40010.768.134.253.117.907.005.65
GV-6002-CF68.00 CF5,40014.0710.643.173.117.908.757.55
GV-6002-ASA6ASA-11*7,10014.0710.642.413.117.908.757.55
GV-6002-ISO6ISO-1607,10014.0710.642.363.117.908.757.55
GV-6002-ISO-OF6ISO-160-OF4,00014.0710.644.253.117.908.757.55
GV-8002-CF810.00 CF12,20018.4213.933.353.117.9011.2510.02
GV-8002-ASA8ASA-11*14,50018.4213.932.763.117.9011.2510.02
GV-8002-ISO8ISO-20015,20018.4213.932.663.117.9011.2510.02
GV-8002-ISO-OF8ISO-200-OF9,50018.4213.934.253.117.9011.2510.02
GV-10002-CF1012.00 CF24,90024.0418.303.658.9812.0013.4411.99
GV-10002-ASA10ASA-16*24,80024.0418.303.158.9812.0013.4411.99
GV-10002-ISO10ISO-25026,90024.0418.303.158.9812.0013.4411.99
GV-10002-ISO-OF10ISO-250-OF15,40024.0418.305.518.9812.0013.4411.99
GV-12002-CF1214.00 CF34,60028.8922.033.898.9812.0015.9014.28
GV-12002-ASA12ASA-16*42,80028.8922.033.158.9812.0015.9014.28
GV-12002-ISO12ISO-32042,80028.8922.033.158.9812.0015.9014.28
GV-12002-ISO-OF12ISO-320-OF24,50028.8922.034.678.9812.0015.9014.28
*Note: All ASA flanged valves are provided without O-ring grooves. Grooves can be provided on request.

Specifications - Elastomer Sealed Manual

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