4820-01-218-4610 VALVE,SAFETYRELIEF Index 4820-01-218-4612 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-218-4611

Federal Supply Class:
4820

National Item Identification Number:
012184611

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:
D559A-4D-191816CIRCOR AEROSPACE, INC.
Z02RD04A010B62701ZEVCO INC


Techincal Specification:
STYLE DESIGNATORSTRAIGHT THRU W/BAFFLE
VALVE OPERATION METHODAUTOMATIC
MATERIALALUMINUM ALLOY 2024 BODY
RUBBER SYNTHETIC PACKING
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE PACKING
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
FUEL/OIL, HYDROCARBON 2ND RESPONSE
HELIUM 3RD RESPONSE
HYDROGEN 4TH RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP280.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLEFLARED (TUBE) ALL ENDS
SEAT ANGLE37.0 DEGREES ALL ENDS
THREAD SERIES DESIGNATORUNJF ALL ENDS
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS
THREAD QUANTITY PER INCH20 ALL ENDS
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE0.5 TO 2.5 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY1 DEFLECTOR CAP
MINIMUM OPERATING TEMP-40.0 DEG FAHRENHEIT


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