4820-01-333-1271 VALVE,CHECK Index 4810-01-333-1273 VALVE,BUTTERFLY

National Stock Number:
4820-01-333-1272

Federal Supply Class:
4820

National Item Identification Number:
013331272

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:
D524T1-1M-4591816CIRCOR AEROSPACE, INC.
SC4820-0014-312115DRS ICAS, LLC


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
FURNISHED ITEMS AND QUANTITY1 DEFLECTOR CAP
FLOW CONTROL DEVICEPOPPET
MATERIALSTEEL COMP 316 BODY
MAXIMUM OPERATING TEMP-70.0 FAHRENHEIT 1ST RESPONSE450.0 FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDOIL, CHLORINATED TRANSFORMER 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDOXYGEN, GASEOUS 3RD RESPONSE
NOMINAL THREAD SIZE0.125 INCHES ALL ENDS
OPENING PRESSURE SETTING45.0 POUNDS PER SQUARE INCH
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
VALVE OPERATION METHODAUTOMATIC


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