Model: 31F-CB2 6.00IN

Check Valve

Properties:

Flow Control Device
Disk
Bolt Hole Quantity
8 all ends
Maximum Operating Temp
100.0 degrees fahrenheit 1st response
Maximum Operating Temp
500.0 degrees fahrenheit 2nd response
Maximum Operating Temp
800.0 degrees fahrenheit 3rd response
End Application
Strategic sealift conversion ships class
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Mounting Position
Horizontal
Valve Size
6.000 inches
Maximum Operating Pressure
170.0 pounds per square inch 2nd response
Maximum Operating Pressure
285.0 pounds per square inch 1st response
Maximum Operating Pressure
80.0 pounds per square inch 3rd response
Outside Diameter
11.000 inches all ends
Face To Face Distance
14.000 inches
Thickness
1.000 inches all ends
Bolt Hole Diameter
0.875 inches all ends
Bolt Circle Diameter
9.500 inches all ends
Flange Face Design
Raised straight all ends
Raised Face Height
0.062 inches all ends
Raised Face Diameter
8.500 inches all ends
Material
Steel uns j03002 body
Material
Steel uns j03002 flow control device
Material
Steel uns k91151 seat
Material Specification
Astm a182, grade f6a assn standard single material response seat
Material Specification
Astm a216, grade wcb assn standard single material response body
Material Specification
Astm a216, grade wcb assn standard single material response flow control device
Style Designator
Straight through flanged ends
NSN
4820-01-421-4705
Part Number
31F-CB2 6.00IN
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-CB2 6.00IN NSN 4820-01-421-4705

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:
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: 8481302090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of steel

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