Manual Gate Valves

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Specifications

MODEL NUMBERNOM.
ID
FLANGE
TYPE
CONDUCTANCE
(molecular-l/sec.)
ABCDEFG
MGV-1502-CF1-1/22.75 CF1304.693.402.032.003.573.312.45
MGV-2002-CF23.38 CF3005.604.122.282.003.613.812.96
MGV-2502-CF2-1/24.50 CF5206.504.812.402.003.614.373.52
MGV-3002-CF34.62 CF8407.705.772.532.003.615.244.28
MGV-4002-CF46.00 CF1,70010.768.132.973.117.907.005.65
MGV-6002-CF68.00 CF5,40014.0710.643.173.117.908.757.55
MGV-8002-CF810.00 CF12,20018.4213.933.353.117.9011.2510.02
MGV-10002-CF1012.00 CF24,90024.0418.303.658.9812.1213.4411.99
MGV-12002-CF1214.00 CF34,60028.8922.033.898.9812.1215.9014.28

Specifications - Copper 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