4820-01-437-1068, VALVE,SAFETY RELIEF

National Stock Number:
4820-01-437-1068

Federal Supply Class:
4820

National Item Identification Number:
014371068

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:

MIL-V-20065	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-V-20065 1/2	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MILV20065 60 PS	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

BONNET ATTACHMENT METHOD	BOLTED
BONNET TYPE	INSIDE SPRING
CONNECTION STYLE	SOCKET WITH BRAZING RING ALL ENDS
CONNECTION TYPE	UNTHREADED INTERNAL PIPE ALL ENDS
DISK LOADING METHOD	SPRING
FURNISHED ITEMS AND QUANTITY	1 LEVER
FLOW CONTROL DEVICE	DISK
MATERIAL	STEEL BODY
MATERIAL	STEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIAL	STEEL CORROSION RESISTING SEAT
MATERIAL	STEEL CORROSION RESISTING STEM
MAXIMUM OPERATING TEMP	425.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED	STEAM SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED	0.500 INCHES ALL ENDS
NONDEFINITIVE SPEC/STD DATA	D COMPOSITION AND 1 TYPE
OPENING PRESSURE SETTING	25.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE	150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SPECIAL FEATURES	GRADE A SHOCK
SPECIFICATION/STANDARD DATA	81349-MIL-V-20065 GOVERNMENT SPECIFICATION
VALVE OPERATION METHOD	AUTOMATIC
STYLE DESIGNATOR	ANGLE

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