4820-01-145-6676 VALVE,SAFETY RELIEF Index 4820-01-145-6678 VALVE,BUTTERFLY

National Stock Number:
4820-01-145-6677

Federal Supply Class:
4820

National Item Identification Number:
011456677

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:
627B-3-1/4-109990PARKER-HANNIFIN CORPORATION
627B-3-1/4-186768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT


Techincal Specification:
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
FLOW CONTROL DEVICEPOPPET
MATERIALALUMINUM ALLOY BODY
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS
OPENING PRESSURE SETTING90.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE
SURFACE TREATMENTANODIZE LOCATION NOT OTHERWISE SPECIFIED
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS


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