Model: 559B-2M-7

Safety Relief Valve

Properties:

Maximum Operating Temp

400.0 degrees fahrenheit single response

Minimum Operating Temp

-320.0 degrees fahrenheit

Valve Operation Method

Automatic

Maximum Operating Pressure

200.0 pounds per square inch single response

Part Name Assigned By Controlling Agency

Adjustable popoff relief valve

Material

Aluminum body

NSN

4820-01-587-4925

Part Number

559B-2M-7

Description

Valve,safety Relief

CAGE

91816

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 559B-2M-7 NSN 4820-01-587-4925

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:

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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