4820-00-023-6441 SEAT,VALVE Index 4820-00-023-6445 INTERNAL ASSEMBLY,VALVE

National Stock Number:
4820-00-023-6444

Federal Supply Class:
4820

National Item Identification Number:
000236444

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:
21355916497DRESSER, INC.
MILV2006581349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
TYA1CLC1-2 400-242T0290SBU03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY 922 BODY
NICKEL ALLOY FLOW CONTROL DEVICE
NICKEL ALLOY R-405 SEAT
NICKEL ALLOY STEM
FLOW CONTROL DEVICEDISK
CONNECTION TYPEUNTHREADED INTERNAL PIPE 1ST END
CONNECTION STYLESOCKET WITH BRAZING RING 1ST END
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES 1ST END
RENEWABLE SEAT RING TYPETHREADED
BONNET TYPEEXPOSED SPRING
BONNET ATTACHMENT METHODTHREADED
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE242.0 TO 290.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY2 NUT
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
NONDEFINITIVE SPEC/STD DATAA1 TYPE AND
C CLASS
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMILV20065


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