4820-01-310-6870 VALVE,SAFETY RELIEF Index 5915-01-310-6872 FILTER,RADIO FREQUENCY INTERFERE

National Stock Number:
4820-01-310-6871

Federal Supply Class:
4820

National Item Identification Number:
013106871

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:
D559B3M191816CIRCOR AEROSPACE, INC.


Techincal Specification:
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY BODY
COPPER ALLOY FLOW CONTROL DEVICE
COPPER ALLOY SEAT
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDACETYLENE 1ST RESPONSE
AIR 2ND RESPONSE
GAS, INERT 3RD RESPONSE
HYDROGEN 4TH RESPONSE
REFRIGERANT 12 5TH RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP250.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING1.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE0.5 TO 2.4 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY1 DEFLECTOR CAP
SPECIAL FEATURESPOPOFF STYLE


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