Model: 31F-CB7 2.50INCH

Check Valve

Special Features:

Pressure class 150 psi

Properties:

Flow Control Device
Disk
Disk Loading Method
Weight
Bolt Hole Quantity
4 all ends
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
2.500 inches
Outside Diameter
7.000 inches all ends
Face To Face Distance
8.500 inches
Thickness
0.880 inches all ends
Bolt Hole Diameter
0.625 inches all ends
Bolt Circle Diameter
5.500 inches all ends
Flange Face Design
Raised straight all ends
Raised Face Height
0.062 inches all ends
Raised Face Diameter
4.120 inches all ends
Material
Copper alloy flow control device
Material
Copper alloy seat
Material
Copper alloy stem
Material
Steel uns j03002 body
Material Specification
Astm a216, wcb assn standard single material response body
Style Designator
Straight through flanged ends
Furnished Items And Quantity
1 handwheel
NSN
4820-01-436-2885
Part Number
31F-CB7 2.50INCH
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-CB7 2.50INCH NSN 4820-01-436-2885

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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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