4820-01-022-4400 VALVE,SAFETY RELIEF Index 5915-01-022-4402 FILTER,BAND PASS

National Stock Number:
4820-01-022-4401

Federal Supply Class:
4820

National Item Identification Number:
010224401

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:
301771110001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
5177T-4TT-3091816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLEFLARED (TUBE) ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIALSTEEL CORROSION RESISTING BODY
MAXIMUM OPERATING PRESSURE2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP-65.0 FAHRENHEIT 1ST RESPONSE275.0 FAHRENHEIT 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDREFRIGERANT 12 5TH RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDALCOHOL, ETHYL 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDAMMONIA, GASEOUS 3RD RESPONSE
MEDIA FOR WHICH DESIGNEDAMMONIA, LIQUID 4TH RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES ALL ENDS
NOMINAL THREAD SIZE0.437 INCHES ALL ENDS
OPENING PRESSURE SETTING30.0 POUNDS PER SQUARE INCH
SEAT ANGLE37.0 DEGREES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORUNJF ALL ENDS
VALVE OPERATION METHODAUTOMATIC


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