Model: 625B-4-12-2

Safety Relief Valve

Properties:

Thread Class

2b all ends

Thread Direction

Right-hand all ends

Flow Control Device

Disk

Maximum Operating Temp

225.0 degrees fahrenheit single response

Minimum Operating Temp

-40.0 degrees fahrenheit

End Application

1730-01-272-4402

Connection Style

G4 gasket sea (boss) all ends

Valve Operation Method

Automatic

Connection Type

Threaded internal boss all ends

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 all ends

Material

Aluminum alloy body

Material

Plastic polytetrafluoroethylene seat

Surface Treatment

Anodize

Thread Series Designator

Unf all ends

NSN

4820-01-397-2322

Part Number

625B-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 625B-4-12-2 NSN 4820-01-397-2322

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