4820-00-289-1799 VALVE,SAFETY RELIEF Index 4820-00-289-1807 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-289-1805

Federal Supply Class:
4820

National Item Identification Number:
002891805

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:
SF201-2-214541COOPER MACHINERY SERVICES LLC
SF202 1-2X1088080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY BODY
COPPER ALLOY FLOW CONTROL DEVICE
COPPER ALLOY SEAT
STEEL CORROSION RESISTING STEM
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDSTEAM 1ST RESPONSE
WATER, FRESH 2ND RESPONSE
MAXIMUM OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP400.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPETHREADED INTERNAL PIPE 1ST END
THREADED EXTERNAL PIPE 2ND END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 1ST END
PLAIN (PIPE) 2ND END
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES 1ST END
0.500 INCHES 2ND END
THREAD SERIES DESIGNATORNPT 1ST END
NPT 2ND END
NOMINAL THREAD SIZE0.500 INCHES 1ST END
0.500 INCHES 2ND END
THREAD QUANTITY PER INCH14 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
RIGHT-HAND 2ND END
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODTHREADED
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE5.0 TO 10.0 POUNDS PER SQUARE INCH
FEATURES PROVIDEDVALVE STEM LOCK SHIELD AND
PRESSURE TIGHT OUTLET SIDE


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