4820-01-360-6155 VALVE,SAFETY RELIEF Index 4820-01-360-6157 VALVE,BUTTERFLY

National Stock Number:
4820-01-360-6156

Federal Supply Class:
4820

National Item Identification Number:
013606156

Description:
VALVE,SAFETY RELIEF

Detail:
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.


Manufacturer Information:
26521468830CA08ATLAS COPCO
265214688351X99EPIROC USA LLC
621B-6-3/4-209990PARKER-HANNIFIN CORPORATION
855017P07690CA08ATLAS COPCO
621B-6-3/4-2-550/PSI86768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT


Techincal Specification:
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
FLOW CONTROL DEVICEPOPPET
MATERIALALUMINUM ALLOY BODY
MATERIALSTEEL COMP 416 FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP225.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, MINERAL BASE SECOND RESPONSE
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS
OPENING PRESSURE SETTING550.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE3600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS


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