Model: 323

Check Valve

Properties:

Flow Control Device
Disk
Renewable Seat Ring Type
Threaded
Bolt Hole Quantity
8 1st end
Maximum Operating Temp
450.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Flange Shape
Round with holes 1st end
Connection Type
Flange 1st end
Mounting Position
Horizontal or vertical
Maximum Operating Pressure
250.0 pounds per square inch 1st response
Maximum Operating Pressure
500.0 pounds per square inch 2nd response
Outside Diameter
6.500 inches 1st end
Face To Face Distance
10.500 inches
Bolt Hole Diameter
0.625 inches 1st end
Bolt Circle Diameter
5.000 inches 1st end
Flange Face Design
Raised straight 1st end
Material
Copper alloy flow control device
Material
Copper alloy seat
Material
Iron body
Media For Which Designed
Steam 1st response
Media For Which Designed
Water-oil-gas 2nd response
Style Designator
Straight thru
NSN
4820-00-056-4346
Part Number
323
Description
Valve,check
CAGE
37239

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part 323 NSN 4820-00-056-4346

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05487
FIIG:
A530B0
Concept No.:
1
App. Key:
Cond. Code:
1
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: 8481302010
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of iron

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