Model: 23

Check Valve

Properties:

Flow Control Device
Disk
Renewable Seat Ring Type
Pressed-in
Bolt Hole Quantity
12 1st end
Flange Shape
Round with holes 1st end
Connection Type
Flange 1st end
Mounting Position
Horizontal
Maximum Operating Pressure
150.0 pounds per square inch single response
Outside Diameter
25.000 inches 1st end
Face To Face Distance
33.000 inches
Thickness
1.562 inches 1st end
Bolt Hole Diameter
0.875 inches 1st end
Flange Face Design
Plain 1st end
Material
Copper alloy seat
Material
Iron cast body
Material
Iron cast flow control device
Media For Which Designed
Steam single response
Style Designator
Straight thru
NSN
4820-00-140-7029
Part Number
23
Description
Valve,check
CAGE

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 23 NSN 4820-00-140-7029

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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