4820-01-148-5976, VALVE,SAFETY RELIEF

5342-01-148-5977 DOOR,ACCESS,WEAPON SYSTEM

National Stock Number:
4820-01-148-5976

Federal Supply Class:
4820

National Item Identification Number:
011485976

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:

R10AD1D106-BM1	11859	HUNT VALVE COMPANY, INC.
R10AD1D106-BM1	34889	HUNT VALVE COMPANY INC

Techincal Specification:

ADJUSTABLE PRESSURE RANGE	+18.0 TO 22.0 POUNDS PER SQUARE INCH
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	2 NUT AND 2 TAILPIECE
FLOW CONTROL DEVICE	DISK
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 FED SPEC 1ST MATERIAL RESPONSE OR QQ-N-288 FED SPEC 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 FED SPEC 1ST MATERIAL RESPONSE OR QQ-N-288 FED SPEC 2ND MATERIAL RESPONSE SEAT
MATERIAL	COPPER ALLOY BODY
MATERIAL	NICKEL ALLOY OR PLASTIC ACETAL FLOW CONTROL DEVICE
MATERIAL	STEEL STEM
MAXIMUM OPERATING TEMP	250.0 FAHRENHEIT SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED	0.500 INCHES ALL ENDS
VALVE OPERATION METHOD	AUTOMATIC OR MANUAL
STYLE DESIGNATOR	ANGLE

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