Model: 636-1 1-2

Safety Relief Valve

Properties:

Pipe Size Accommodated

0.500 inches 1st end

Pipe Size Accommodated

0.500 inches 2nd end

Thread Direction

Right-hand 2nd end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Bonnet Type

Inside spring

Bonnet Attachment Method

Pressure seal, ring type

Renewable Seat Ring Type

Pressed-in

Maximum Operating Temp

225.0 degrees fahrenheit single response

Connection Style

G46b plain (pipe) 1st end

Connection Style

G9 plain, optional en (pipe) 2nd end

Valve Operation Method

Automatic

Connection Type

Threaded external pipe 1st end

Connection Type

Threaded internal pipe 2nd end

Features Provided

Pressure tight outlet side

Adjustable Pressure Range

+4.0/+15.0 pounds per square inch

Maximum Operating Pressure

50.0 pounds per square inch single response

Thread Size

0.500 inches 1st end

Thread Size

0.500 inches 2nd end

Opening Pressure Setting

10.0 pounds per square inch

Material

Copper alloy

Thread Series Designator

Anpt 1st end

Thread Series Designator

Anpt 2nd end

NSN

4820-00-844-8481

Part Number

636-1 1-2

Description

Valve,safety Relief

CAGE

86768

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Part 636-1 1-2 NSN 4820-00-844-8481

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05488

FIIG:

A046B0

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:

127220

UFC:

64490

LTL:

77.5

LCL:

WCC:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8481400000
SITC: 74740
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Safety or relief valves