4820-01-169-5381, VALVE,SAFETY RELIEF

National Stock Number:
4820-01-169-5381

Federal Supply Class:
4820

National Item Identification Number:
011695381

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:

D48669 PART R10BF1F117	11859	HUNT VALVE COMPANY, INC.
D48669 PART R10BF1F117	34889	HUNT VALVE COMPANY INC
R10BF1F117 AND D48669	11859	HUNT VALVE COMPANY, INC.
R10BF1F117 AND D48669	34889	HUNT VALVE COMPANY INC

Techincal Specification:

ADJUSTABLE PRESSURE RANGE	+163.0 TO 201.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHOD	BOLTED
BONNET TYPE	INSIDE SCREW
CONNECTION STYLE	SOCKET WITH BRAZING RING ALL ENDS
CONNECTION TYPE	UNTHREADED INTERNAL PIPE ALL ENDS
DISK LOADING METHOD	SPRING
FLOW CONTROL DEVICE	DISK
OPERATING PRESSURE	400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL	COPPER ALLOY 922 BODY
MATERIAL	NICKEL ALLOY FLOW CONTROL DEVICE
MATERIAL	NICKEL ALLOY SEAT
MATERIAL	STEEL COMP 303 STEM
MAXIMUM OPERATING TEMP	250.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED	AIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNED	GAS, INERT SECOND RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED	1.000 INCHES ALL ENDS
SPECIAL FEATURES	FURNISHED W/ LIFING LEVER
VALVE OPERATION METHOD	AUTOMATIC OR MANUAL
STYLE DESIGNATOR	ANGLE

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