Model: D646139C8

Gate Valve

Special Features:

Conventional port opening

Properties:

Pipe Size Accommodated
1.500 inches
Bonnet Type
Outside screw-yoke
Bonnet Attachment Method
Welded
Valve Operation Method
Manual
Connection Type
Socket, weld, pipe
Features Provided
Bonnet packing
Valve Size
1.500 inches
Maximum Operating Pressure And Media For Which Designed
800.0 pounds per square inch water-oil-gas
Stem Type
Rising
Maximum Operating Tempurature And Media For Which Designed
850.0 degrees fahrenheit water-oil-gas
Inlet Relationship With Outlet
Identical
Pressure Class
800.0 pounds
Material
Steel comp 416 stem
Material
Steel comp 420 disk
Material
Steel comp 410 seat
Material
Steel uns k03504 body
Material Specification
Aisi 410 - 400 bhn assn standard single material response seat
Material Specification
Aisi 416 assn standard single material response stem
Material Specification
Aisi 420 - 500 bhn assn standard single material response disk
Material Specification
Astm a105 grade it assn standard single material response body
NSN
4820-01-282-8445
Part Number
D646139C8
Description
Valve,gate
CAGE
52891

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 D646139C8 NSN 4820-01-282-8445

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8481803055
  • SITC: 74780
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

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

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