Model: 31F-C8M4 1IN

Check Valve

Special Features:

Swing check type

Properties:

Flow Control Device

Disk

Bolt Hole Quantity

4 all ends

Valve Operation Method

Automatic

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Mounting Position

Horizontal

Valve Size

1.000 inches

Maximum Operating Pressure

150.0 pounds per square inch single response

Outside Diameter

4.250 inches all ends

Face To Face Distance

5.000 inches

Thickness

0.450 inches all ends

Bolt Hole Diameter

0.625 inches all ends

Bolt Circle Diameter

3.130 inches all ends

Flange Face Design

Raised straight all ends

Raised Face Height

0.062 inches all ends

Raised Face Diameter

2.000 inches all ends

Material

Stainless steel body

Material

Stainless steel flow control device

Style Designator

Straight through flanged ends

NSN

4820-01-352-2259

Part Number

31F-C8M4 1IN

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-C8M4 1IN NSN 4820-01-352-2259

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05487

FIIG:

A530B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

WCC:

594

TCC:

SHC:

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