1680-01-617-5269 FITTING,SEAT RAIL 2540-01-619-2586 SHIELD,HEATER DUCT

National Stock Number:
4820-01-618-5259

Federal Supply Class:
4820

National Item Identification Number:
016185259

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:
913BEDM03-KE030001343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+3.0 TO 900.0 POUNDS PER SQUARE INCH
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODTHREADED
CONNECTION STYLEINVERTED FLARE (PIPE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
FURNISHED ITEMS AND QUANTITY1 LEVER
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B584 AL 84400 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIALBRONZE BODY
MATERIALSTEEL CORROSION RESISTING DISK
MAXIMUM OPERATING TEMP425.0 FAHRENHEIT SINGLE RESPONSE
MINIMUM OPERATING TEMP-320.0 FAHRENHEIT
NOMINAL THREAD SIZE0.75 INCHES SECOND END
NOMINAL THREAD SIZE0.75 INCHES FIRST END
OPENING PRESSURE SETTING300.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE900.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SEAT ANGLE45.0 DEGREES ALL ENDS
SPECIAL FEATURESFOR AIR/GAS SERVICE IAW ASME SECTION VIII; CRACKING PRESSURE ADJUSTMENT SCREW
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE0.75 INCHES
STYLE DESIGNATORANGLE
THREAD CLASS2 FIRST END
THREAD CLASS2 SECOND END
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD QUANTITY PER INCH18 FIRST END
THREAD QUANTITY PER INCH18 SECOND END
THREAD SERIES DESIGNATORNPT SECOND END


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