Model: 31F-CB1 12IN

Check Valve

Properties:

Flow Control Device
Disk
Bolt Hole Quantity
12 all ends
Valve Operation Method
Automatic
Flange Shape
Round all ends
Connection Type
Flange all ends
Mounting Position
Horizontal or vertical
Valve Size
12.000 inches
Outside Diameter
19.000 inches all ends
Face To Face Distance
27.500 inches
Thickness
1.250 inches all ends
Bolt Hole Diameter
1.000 inches all ends
Bolt Circle Diameter
17.000 inches all ends
Flange Face Design
Raised straight all ends
Raised Face Height
0.062 inches all ends
Raised Face Diameter
15.000 inches all ends
Material
Steel
Material Specification
A216 gr wcb national specification single material response
Style Designator
Straight through flanged ends
NSN
4820-01-238-0709
Part Number
31F-CB1 12IN
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-CB1 12IN NSN 4820-01-238-0709

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:
800.0000lbs
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:
736
TCC:
Z
SHC:
9
ACC:
Engineer Supplies

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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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