4820-00-078-6589 VALVE,SAFETY RELIEF Index 4820-00-078-6591 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-078-6590

Federal Supply Class:
4820

National Item Identification Number:
000786590

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:
260114959CRANE CO DIV VALVE DIV


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+5.0/+250.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHODINTEGRAL
BONNET TYPEINSIDE SPRING
CONNECTION STYLEPLAIN (PIPE) 2ND END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 1ST END
CONNECTION TYPETHREADED EXTERNAL PIPE 2ND END
CONNECTION TYPETHREADED INTERNAL PIPE 1ST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEDISK
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES 1ST END
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES 2ND END
NOMINAL THREAD SIZE0.750 INCHES 1ST END
NOMINAL THREAD SIZE0.750 INCHES 2ND END
OPENING PRESSURE SETTING10.0 POUNDS PER SQUARE INCH
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY SEAT
MATERIALSTEEL STEM
MAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP400.0 DEG FAHRENHEIT SINGLE RESPONSE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATEDBY ADSV AND END DIM. DATA
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD QUANTITY PER INCH14 1ST END
THREAD QUANTITY PER INCH14 2ND END
THREAD SERIES DESIGNATORNPT 2ND END
THREAD SERIES DESIGNATORNPT 1ST END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE


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