4820-01-200-1725 VALVE,RELIEF,PRESSURE AND TEMPER Index 4820-01-200-1727 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-200-1726

Federal Supply Class:
4820

National Item Identification Number:
012001726

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:
4820PL13284559009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
5159A-12BB-5591816CIRCOR AEROSPACE, INC.
533590115090RAYTHEON COMPANY
533590153711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+10.0 TO 2400.0 POUNDS PER SQUARE INCH
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
CONNECTION STYLEGASKET SEAL(BOSS) ALL ENDS
FLOW CONTROL DEVICEPOPPET
MATERIALALUMINUM ALLOY 2024 BODY
MAXIMUM OPERATING PRESSURE2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDACETYLENE 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDAMMONIA, GASEOUS 3RD RESPONSE
MEDIA FOR WHICH DESIGNEDHYDROGEN 5TH RESPONSE
MEDIA FOR WHICH DESIGNEDREFRIGERANT 12 4TH RESPONSE
NOMINAL THREAD SIZE1.062 INCHES ALL ENDS
OPENING PRESSURE SETTING55.0 POUNDS PER SQUARE INCH
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
THREAD CLASS3B ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORUN ALL ENDS
THREAD QUANTITY PER INCH12 ALL ENDS
VALVE OPERATION METHODAUTOMATIC


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