Model: SC161WS2 1-2

Stop-check Valve

Properties:

Pipe Size Accommodated
2.500 inches all ends
Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Union
Maximum Operating Temp
500.0 degrees fahrenheit single response
Connection Style
Socket with brazing ring (pipe) all ends
Valve Operation Method
Manual
Connection Type
Unthreaded internal pipe all ends
Mounting Position
Horizontal or vertical
Features Provided
Bonnet packing
Maximum Operating Pressure
400.0 pounds per square inch single response
Material
Copper alloy flow control device
Material
Copper alloy stem
Material
Copper alloy 922 body
Material
Copper alloy 922 seat
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 body
Media For Which Designed
Steam 1st response
Media For Which Designed
Water-oil-gas 2nd response
Style Designator
Angle
NSN
4820-00-640-5868
Part Number
SC161WS2 1-2
Description
Valve,stop-check
CAGE
63686

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

Part SC161WS2 1-2 NSN 4820-00-640-5868

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05486
FIIG:
A530B0
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

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: 8481301090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of copper having a pressure rating of 850 kpa or over

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