8415-00-851-0157 GLOVES,CHEMICAL AND OIL PROTECTI Index 7690-00-851-0172 DECAL

National Stock Number:
4820-00-851-0158

Federal Supply Class:
4820

National Item Identification Number:
008510158

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:
112314959CRANE CO DIV VALVE DIV
VAL112360532TRANE U.S. INC.


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+10.0 TO 300.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER6.625 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.750 INCHES FIRST END
BOLT HOLE QUANTITY8 FIRST END
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SPRING
CONNECTION TYPEFLANGE FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) SECOND END
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLANGE FACE DESIGNRAISED STRAIGHT FIRST END
FLANGE SHAPEROUND WITH HOLES FIRST END
FLOW CONTROL DEVICEDISK
OPENING PRESSURE SETTING23.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY SEAT
MATERIALCOPPER ALLOY STEM
MATERIALIRON CAST BODY
MAXIMUM OPERATING TEMP200.0 FAHRENHEIT SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER8.000 INCHES FIRST END
NOMINAL PIPE SIZE ACCOMMODATED3.000 INCHES SECOND END
NOMINAL THREAD SIZE3.000 INCHES SECOND END
RAISED FACE NOMINAL DIAMETER4.250 INCHES FIRST END
RAISED FACE NOMINAL HEIGHT0.062 INCHES FIRST END
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY NOMINAL OPENING SIZE,THD AND PIPE SIZE,AND OPENING PRESSURE SETTING
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD QUANTITY PER INCH8 SECOND END
THREAD SERIES DESIGNATORNPT SECOND END


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