Model: 7 1-2E

Gate Valve

Special Features:

1.938 in. Thk; 1.250 in. Bolt hole dia; 17.750 in. Bolt circle dia; flange raised face ht 0.062 in.; flange raised face diameter 16.438 in.; max operating temp 500 degrees f

Properties:

Flange Diameter
20.500 inches
Bonnet Type
Outside screw-yoke
Bonnet Attachment Method
Bolted
Bolt Hole Quantity
16
Valve Operation Method
Manual
Connection Type
Flange, round w/holes
Features Provided
Bonnet packing
Maximum Operating Pressure And Media For Which Designed
200.0 pounds per square inch steam and 400.0 pounds per square inch water-oil-gas
Stem Type
Rising
Face To Face Distance
19.750 inches
Flange Face Design
Raised
Material
Copper alloy disk
Material
Copper alloy seat
Material
Copper alloy stem
Material
Iron cast body
Material Specification
Qq-c-390, alloy d4 federal specification single material response disk
Material Specification
Qq-c-390, alloy d4 federal specification single material response seat
Material Specification
Qq-c-390, alloy d4 federal specification single material response stem
NSN
4820-00-781-6059
Part Number
7 1-2E
Description
Valve,gate
CAGE
14959

A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.

Part 7 1-2E NSN 4820-00-781-6059

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05482
FIIG:
A500A0
Concept No.:
1
App. Key:
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8481803010
  • SITC: 74780
  • End Use: Industrial machines, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Gate type taps, cocks and valves of iron, hand operated

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