5640-00-998-2478 INSULATION Index 6810-00-998-2481 METHYLENE CHLORIDE-TRICHLOROTRIF

National Stock Number:
4820-00-998-2479

Federal Supply Class:
4820

National Item Identification Number:
009982479

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:
160238056ASHCROFT INC


Techincal Specification:
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 1ST END
CONNECTION TYPETHREADED INTERNAL PIPE 1ST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEDISK
NOMINAL PIPE SIZE ACCOMMODATED3.000 INCHES 1ST END
NOMINAL THREAD SIZE3.000 INCHES 1ST END
OPENING PRESSURE SETTING125.0 POUNDS PER SQUARE INCH
MATERIALCOPPER ALLOY STEM
MATERIALIRON CAST BODY
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING SEAT
MAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP450.0 DEG FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD QUANTITY PER INCH8 1ST END
THREAD SERIES DESIGNATORNPT 1ST END
VALVE DISCHARGE FLOW RATE12700.0 POUNDS PER HOUR
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE


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