Nor-Cal Products, Inc. - CF Double-Sided Flanges

Isolation Valves -> Linear Gate Valves -> Manually Operated Copper Seal Bonnet Gate Valves -> GVM-3002-CF
GVM-3002-CF

Model
Number

Nominal
OD

Made
From

Add To Cart

GVM-3002-CF

7.70

5.77

DS = Thicker than standard flange D = Double-sided flange, nonrotatable

Quantity ea			List Price (US only) $2,010.00

SPECIFICATIONS

General
Nominal IDs: 1.5 to 12 inch
Helium leak rate: <=2 x 10^-9 std. cc./sec.
Materials
Body: 304 SS vacuum furnace brazed body
Bellows: Welded AM-350
O-ring: Viton (standard), Chemraz,
Kalrez, Silicone
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: >=10^-9 Torr
Copper seal bonnet: >=10^-10 Torr
Temperature range
Viton Seal Bonnet: <=150°C
Copper Seal Bonnet: <=200°C with
CF flanges and gate in open position
Manually actuated
Acme threads for fewer turns
Options: O-rings, heater jackets

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