4820-00-287-2989 VALVE,SAFETY RELIEF Index 4820-00-287-3011 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-287-2996

Federal Supply Class:
4820

National Item Identification Number:
002872996

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:
MILV2006581349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
TYA1CLC3-8 400-136T0169SBU03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+136.0 TO 169.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHODUNION
BONNET TYPEEXPOSED SPRING
CONNECTION TYPEUNTHREADED INTERNAL PIPE FIRST END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY SEAT
MATERIALCOPPER ALLOY STEM
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SECOND RESPONSE
MAXIMUM OPERATING TEMP425.0 FAHRENHEIT FIRST RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END
NONDEFINITIVE SPEC/STD DATA1 TYPE AND C CLASS
RENEWABLE SEAT RING TYPETHREADED
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE


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