4820-01-418-4221 VALVE,SAFETY RELIEF Index 4820-01-418-4223 VALVE,REGULATING,FLUID PRESSURE

National Stock Number:
4820-01-418-4222

Federal Supply Class:
4820

National Item Identification Number:
014184222

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:
3307811-299251MISSION SYSTEMS DAVENPORT INC.
M5159N-2M(L)-215 ASME91816CIRCOR AEROSPACE, INC.
M5159N2M215ASME91816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
MATERIALCOPPER ALLOY BODY
NOMINAL THREAD SIZE0.125 INCHES ALL ENDS
OPENING PRESSURE SETTING215.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE1200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS


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