Copper Sealed

Copper Sealed Linear Gate Valves

Specifications

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Copper Sealed Manual

SPECIFICATIONS

General: 
   Nominal IDs: 1-1/2 to 12 inch
   Helium leak rate: <= 2x10-9 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

Additional Information

MODEL NUMBER NOM.
ID
FLANGE
TYPE
CONDUCTANCE
(molecular-l/sec.)
A B C D E F G
MGV-1502-CF 1-1/2 2.75 CF 130 4.69 3.40 2.03 2.00 3.57 3.31 2.45
MGV-2002-CF 2 3.38 CF 300 5.60 4.12 2.28 2.00 3.61 3.81 2.96
MGV-2502-CF 2-1/2 4.50 CF 520 6.50 4.81 2.40 2.00 3.61 4.37 3.52
MGV-3002-CF 3 4.62 CF 840 7.70 5.77 2.53 2.00 3.61 5.24 4.28
MGV-4002-CF 4 6.00 CF 1,700 10.76 8.13 2.97 3.11 7.90 7.00 5.65
MGV-6002-CF 6 8.00 CF 5,400 14.07 10.64 3.17 3.11 7.90 8.75 7.55
MGV-8002-CF 8 10.00 CF 12,200 18.42 13.93 3.35 3.11 7.90 11.25 10.02
MGV-10002-CF 10 12.00 CF 24,900 24.04 18.30 3.65 8.98 12.12 13.44 11.99
MGV-12002-CF 12 14.00 CF 34,600 28.89 22.03 3.89 8.98 12.12 15.90 14.28

Copper Sealed Pneumatic

SPECIFICATIONS

General: 
   Nominal IDs: 1-1/2 to 12 inch
   Helium leak rate: <= 2x10-9 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

Additional Information

MODEL NUMBER NOM
ID.
FLANGE
TYPE
CONDUCATANCE
(molecular-l/sec.)
A B C D E F G
MGVP-1502-CF 1-1/2 2.75 CF 130 4.69 3.40 2.03 2.00 5.29 3.31 2.45
MGVP-2002-CF 2 3.38 CF 300 5.60 4.12 2.28 2.00 5.29 3.81 2.96
MGVP-2502-CF 2-1/2 4.50 CF 520 6.50 4.81 2.40 2.00 5.29 4.37 3.52
MGVP-3002-CF 3 4.62 CF 840 7.70 5.77 2.53 2.00 5.29 5.24 4.28
MGVP-4002-CF 4 6.00 CF 1,700 10.76 8.13 2.97 2.97 6.95 7.00 5.65
MGVP-6002-CF 6 8.00 CF 5,400 14.07 10.64 3.17 2.97 6.95 8.75 7.55
MGVP-8002-CF 8 10.00 CF 12,200 18.42 13.93 3.35 2.97 6.95 11.25 10.02
MGVP-10002-CF 10 12.00 CF 24,900 24.04 18.30 3.65 4.75 9.47 13.44 11.99
MGVP-12002-CF 12 14.00 CF 34,600 28.89 22.03 3.89 4.75 9.47 15.90 14.28