4820-00-203-7575, VALVE,SAFETY RELIEF

National Stock Number:
4820-00-203-7575

Federal Supply Class:
4820

National Item Identification Number:
002037575

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:

10AC10858	35301	DRESSER INDUSTRIES INC LEROI DIV
112C-1/4-70PSI	75336	F.C.KINGSTON CO. DBA STORM MANUFACTURING
112CSS-2-070	75336	F.C.KINGSTON CO. DBA STORM MANUFACTURING
1AC10858	06435	DRESSER INDUSTRIES INC PETROLEUM EQUIPMENT DIV - WAYNE
1AC10858	35301	DRESSER INDUSTRIES INC LEROI DIV
2AH15-646	35301	DRESSER INDUSTRIES INC LEROI DIV
48-70	01343	ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
48A-1-4-70PSI	01343	ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
AH15-646	35301	DRESSER INDUSTRIES INC LEROI DIV
C58449-7PC148	82722	WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP
H151329	35301	DRESSER INDUSTRIES INC LEROI DIV

Techincal Specification:

BONNET ATTACHMENT METHOD	THREADED
BONNET TYPE	INSIDE SPRING
CONNECTION STYLE	PLAIN (PIPE) 1ST END
CONNECTION TYPE	THREADED EXTERNAL PIPE 1ST END
DISK LOADING METHOD	SPRING
FEATURES PROVIDED	VALVE STEM LOCK SHIELD
FLOW CONTROL DEVICE	DISK
MATERIAL	COPPER ALLOY SEAT
MATERIAL	COPPER ALLOY BODY
MATERIAL	STEEL CORROSION RESISTING FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP	250.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE	300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED	AIR SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED	0.250 INCHES 1ST END
NOMINAL THREAD SIZE	0.250 INCHES 1ST END
OPENING PRESSURE SETTING	70.0 POUNDS PER SQUARE INCH
STYLE DESIGNATOR	ANGLE
THREAD DIRECTION	RIGHT-HAND 1ST END
THREAD SERIES DESIGNATOR	NPT 1ST END
VALVE OPERATION METHOD	AUTOMATIC OR MANUAL
VALVE DISCHARGE FLOW RATE	23.0 CUBIC FEET PER MINUTE

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