Model: 629XB-4-12-2

Safety Relief Valve

Properties:

Thread Class

3a 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Disk Loading Method

Spring

Maximum Operating Temp

225.0 degrees fahrenheit single response

Connection Style

Flared (tube) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external tube 1st end

Thready Qty Per Inch (tpi)

12 1st end

Adjustable Pressure Range

+115.0/+250.0 pounds per square inch

Maximum Operating Pressure

3600.0 pounds per square inch single response

Thread Size

1.062 inches 1st end

Seat Angle

37.0 degrees 1st end

Material

Aluminum alloy body

Material

Stainless steel flow control device

Media For Which Designed

Hydraulic fluid, petroleum base 2nd response

Media For Which Designed

Air 1st response

Surface Treatment

Anodize

Surface Treatment Specification

Mil-a-8625 military specification single treatment response

Style Designator

Angle

Thread Series Designator

Unj 1st end

NSN

4820-01-062-3499

Part Number

629XB-4-12-2

Description

Valve,safety Relief

CAGE

09990

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 629XB-4-12-2 NSN 4820-01-062-3499

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:

77.5

WCC:

594

TCC:

SHC:

ACC:

Construction Materials

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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