4820-01-144-3700, VALVE,SAFETY RELIEF

National Stock Number:
4820-01-144-3700

Federal Supply Class:
4820

National Item Identification Number:
011443700

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:

R10C	34889	HUNT VALVE COMPANY INC
R10CD1D103-BM1	11859	HUNT VALVE COMPANY, INC.
R10CD1D103-BM1	34889	HUNT VALVE COMPANY INC
R10CDUU03	34889	HUNT VALVE COMPANY INC

Techincal Specification:

STYLE DESIGNATOR	ANGLE
VALVE OPERATION METHOD	AUTOMATIC
MATERIAL	COPPER ALLOY BODY
	NICKEL ALLOY FLOW CONTROL DEVICE
	NICKEL ALLOY SEAT
	STEEL CORROSION RESISTING STEM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
	QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
	QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
FLOW CONTROL DEVICE	DISK
MEDIA FOR WHICH DESIGNED	AIR SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE	400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP	150.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPE	UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE	SOCKET WITH BRAZING RING ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED	0.500 INCHES ALL ENDS
BONNET TYPE	INSIDE SPRING
BONNET ATTACHMENT METHOD	BOLTED
ADJUSTABLE PRESSURE RANGE	10.0 TO 12.0 POUNDS PER SQUARE INCH

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