4540-00-293-7666 HEATING ELEMENT,ELECTRICAL,NONIM Index 4820-00-293-7671 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-293-7670

Federal Supply Class:
4820

National Item Identification Number:
002937670

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:
940-360EXU3AQUA-CHEM, INC.
940-3612793AQUA-CHEM INC CLEAVER-BROOKS DIV
MIL-V-1863481349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY OVERALL
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDSTEAM 1ST RESPONSE
WATER-OIL-GAS 2ND RESPONSE
MAXIMUM OPERATING PRESSURE50.0 POUNDS PER SQUARE INCH 1ST RESPONSE
250.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP300.0 DEG FAHRENHEIT 1ST RESPONSE
200.0 DEG FAHRENHEIT 2ND RESPONSE
CONNECTION TYPETHREADED INTERNAL PIPE 1ST END
THREADED EXTERNAL PIPE 2ND END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 1ST END
PLAIN (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
OPENING PRESSURE SETTING5.0 POUNDS PER SQUARE INCH
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMIL-V-18634


Click here to Register for Free 30-day Trial