Model: B-309 1 1/4 IN

Check Valve

Special Features:

Swing check type

Properties:

Pipe Size Accommodated

1.250 inches all ends

Flow Control Device

Disk

Maximum Operating Temp

100.0 degrees fahrenheit 2nd response

Maximum Operating Temp

75.0 degrees fahrenheit 1st response

Connection Style

Plain, optional end (pipe) all ends

Valve Operation Method

Automatic

Connection Type

Unthreaded internal pipe all ends

Mounting Position

Horizontal

Maximum Operating Pressure

15.0 pounds per square inch 1st response

Maximum Operating Pressure

175.0 pounds per square inch 2nd response

Material

Copper alloy 836 body

Material

Copper alloy 836 flow control device

Material Specification

Astm b-62 assn standard single material response body

Material Specification

Astm b-62 assn standard single material response flow control device

Media For Which Designed

Steam 1st response

Media For Which Designed

Water-oil-gas 2nd response

Style Designator

Straight thru

Specification Data

81349-mil-v-18346 government specification

NSN

4820-01-279-2982

Part Number

B-309 1 1/4 IN

Description

Valve,check

CAGE

82666

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 B-309 1 1/4 IN NSN 4820-01-279-2982

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: 8481301010
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

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