Model: 1820

Gate Valve

Special Features:

1.250 in. Thk; 0.875 in. Bolt hole dia; 7.875 in. Bolt circle dia; flange raised face ht 0.062 in.; flange raised face diameter 6.938 in.

Properties:

Flange Diameter
10.000 inches
Bonnet Type
Outside screw-yoke
Bonnet Attachment Method
Bolted
Bolt Hole Quantity
8
Valve Operation Method
Manual
Connection Type
Flange, round w/holes
Features Provided
Bonnet packing
Maximum Operating Pressure And Media For Which Designed
250.0 pounds per square inch steam and 500.0 pounds per square inch water-oil-gas
Stem Type
Rising
Face To Face Distance
12.000 inches
Flange Face Design
Raised
Material
Copper alloy stem
Material
Iron cast body
Material
Iron cast disk
Material
Iron cast seat
NSN
4820-00-056-7662
Part Number
1820
Description
Valve,gate
CAGE
48422

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 1820 NSN 4820-00-056-7662

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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