Model: 31F-CB3

Check Valve

Properties:

Flow Control Device
Disk
Disk Loading Method
Weight
Bolt Hole Quantity
8 all ends
Maximum Operating Temp
500.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Mounting Position
Horizontal or vertical
Valve Size
5.000 inches
Maximum Operating Pressure
150.0 pounds per square inch single response
Outside Diameter
10.000 inches all ends
Face To Face Distance
13.000 inches
Thickness
0.875 inches all ends
Bolt Hole Diameter
0.875 inches all ends
Bolt Circle Diameter
8.500 inches all ends
Flange Face Design
Raised straight all ends
Raised Face Height
0.062 inches all ends
Raised Face Diameter
7.312 inches all ends
Material
Steel body
Material Specification
Astm a216, grade wcb assn standard single material response body
Media For Which Designed
Steam single response
Style Designator
Straight through flanged ends
Test Data Document
81349-mil-s-901 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Nondefinitive Specification/std Data
C group and 3 type and 5 trim and 150 class
NSN
4820-00-137-9214
Part Number
31F-CB3
Description
Valve,check
CAGE
61661

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 31F-CB3 NSN 4820-00-137-9214

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8481302090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of steel

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