4820-00-809-8914 VALVE,GLOBE Index 4820-00-809-8916 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-809-8915

Federal Supply Class:
4820

National Item Identification Number:
008098915

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:
1541G38056ASHCROFT INC


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC OR
MANUAL
MATERIALCOPPER ALLOY BODY
COPPER ALLOY SEAT
STEEL STEM
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
STEAM 2ND RESPONSE
FUEL/OIL, HYDROCARBON 3RD RESPONSE
MAXIMUM OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP406.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPETHREADED EXTERNAL PIPE 1ST END
THREADED INTERNAL PIPE 2ND END
CONNECTION STYLEPLAIN (PIPE) 1ST END
PLAIN,OPTIONAL END(PIPE) 2ND END
THREAD SERIES DESIGNATORNPT 1ST END
NPT 2ND END
NOMINAL THREAD SIZE1.500 INCHES 1ST END
1.500 INCHES 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
RIGHT-HAND 2ND END
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE145.0 TO 158.0 POUNDS PER SQUARE INCH
FEATURES PROVIDEDVALVE STEM LOCK SHIELD
SPECIAL FEATURES3RD MEDIA FOR PRESSURE IS GAS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY RELIEF PRESSURE SETTING,VALVE SIZE,AND MATERIAL
THE MANUFACTURERS DATA
MANUFACTURERS CODE38056
DESIGN CONTROL REFERENCE1541G


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