Model: B42577-H

Check Valve

Properties:

Flow Control Device

Disk

Disk Loading Method

Weight

Bolt Hole Quantity

4 all ends

Maximum Operating Temp

-20.0 degrees fahrenheit 1st response

Maximum Operating Temp

100.0 degrees fahrenheit 2nd response

Valve Operation Method

Automatic

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Mounting Position

Horizontal or vertical

Valve Size

1.500 inches

Maximum Operating Pressure

3705.0 pounds per square inch single response

Outside Diameter

6.125 inches 1st end

Outside Diameter

3.750 inches 2nd end

Face To Face Distance

12.000 inches

Thickness

0.562 inches 2nd end

Thickness

0.875 inches 1st end

Bolt Hole Diameter

0.500 inches 2nd end

Bolt Hole Diameter

0.750 inches 1st end

Bolt Circle Diameter

2.625 inches 2nd end

Bolt Circle Diameter

4.500 inches 1st end

Flange Face Design

Raised straight all ends

Raised Face Height

0.250 inches all ends

Raised Face Diameter

1.375 inches 2nd end

Raised Face Diameter

2.875 inches 1st end

Material

Steel

Style Designator

Straight through flanged ends

NSN

4820-01-266-3639

Part Number

B42577-H

Description

Valve,check

CAGE

13881

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 B42577-H NSN 4820-01-266-3639

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