4730-00-541-1434 REDUCER,PIPE Index 4720-00-541-1454 HOSE,NONMETALLIC

National Stock Number:
4820-00-541-1443

Federal Supply Class:
4820

National Item Identification Number:
005411443

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:
2651-3-814959CRANE CO DIV VALVE DIV
2651-3-8-25PSI14959CRANE CO DIV VALVE DIV
50688-2121439CURTISS-WRIGHT FLOW CONTROL SERVICE, LLC
503879-880020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY 836 BODY
COPPER ALLOY FLOW CONTROL DEVICE
COPPER ALLOY SEAT
STEEL STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY B5/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
QQ-C-390,ALLOY A4 FED SPEC SINGLE MATERIAL RESPONSE SEAT
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
GAS, NATURAL 2ND RESPONSE
MAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP406.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED0.375 INCHES ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
RENEWABLE SEAT RING TYPETHREADED
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODTHREADED
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE10.0 TO 250.0 POUNDS PER SQUARE INCH
FEATURES PROVIDEDBONNET PACKING AND
PRESSURE TIGHT OUTLET SIDE


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