Model: FIG 426 1-1/4IN

Check Valve

Properties:

Pipe Size Accommodated

1.250 inches all ends

Flow Control Device

Disk

Connection Style

Socket with brazing ring (pipe) all ends

Valve Operation Method

Automatic

Connection Type

Unthreaded internal pipe all ends

Mounting Position

Horizontal or vertical

Maximum Operating Pressure

200.0 pounds per square inch 1st response

Maximum Operating Pressure

400.0 pounds per square inch 2nd response

Material

Copper alloy body

Material

Nickel alloy flow control device

Media For Which Designed

Steam 1st response

Media For Which Designed

Water-oil-gas 2nd response

Style Designator

Straight thru

NSN

4820-01-315-6635

Part Number

FIG 426 1-1/4IN

Description

Valve,check

CAGE

90664

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 FIG 426 1-1/4IN NSN 4820-01-315-6635

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: 8481301090
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Check valves of copper having a pressure rating of 850 kpa or over