4820-01-228-5533, VALVE,SAFETY RELIEF

National Stock Number:
4820-01-228-5533

Federal Supply Class:
4820

National Item Identification Number:
012285533

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:

B-533T-2PP-L-22	91816	CIRCOR AEROSPACE, INC.
B5333T-2PP-L-2200	91816	CIRCOR AEROSPACE, INC.

Techincal Specification:

STYLE DESIGNATOR	STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
VALVE OPERATION METHOD	AUTOMATIC
MATERIAL	STEEL CORROSION RESISTING BODY
	PLASTIC POLYCHLOROTRIFLUOROETHYLENE FLOW CONTROL DEVICE
	RUBBER CHLOROPRENE CLASS CR PACKING
	STEEL CORROSION RESISTING SEAT
	STEEL CORROSION RESISTING STEM
FLOW CONTROL DEVICE	POPPET
MEDIA FOR WHICH DESIGNED	GAS, NATURAL SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE	3500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP	-20.0 DEG FAHRENHEIT 1ST RESPONSE
	250.0 DEG FAHRENHEIT 2ND RESPONSE
CONNECTION TYPE	THREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE	PLAIN,OPTIONAL END(PIPE) ALL ENDS
THREAD SERIES DESIGNATOR	NPT ALL ENDS
NOMINAL THREAD SIZE	0.250 INCHES ALL ENDS
THREAD DIRECTION	RIGHT-HAND ALL ENDS
DISK LOADING METHOD	SPRING
OPENING PRESSURE SETTING	2200.0 POUNDS PER SQUARE INCH
SPECIAL FEATURES	LOCKWIRE

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