4820-01-344-8998 VALVE,SAFETY RELIEF Index 4820-01-344-9000 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-344-8999

Federal Supply Class:
4820

National Item Identification Number:
013448999

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:
BCSAA07SEE5P967DANTE VALVE COMPANY
D100065079DANCO VALVE COMPANY
D1000 ASSY D52UU-07 1IN5P967DANTE VALVE COMPANY
D1000 ASSY D52UU-07 1IN65079DANCO VALVE COMPANY
D52UU-07 1IN5P967DANTE VALVE COMPANY
D52UU-07 1IN65079DANCO VALVE COMPANY
MIL-V-2254981349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+110.0 TO 160.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SPRING
CONNECTION STYLESOCKET ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
DISK LOADING METHODSPRING
FURNISHED ITEMS AND QUANTITY1 LEVER
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-B61 ASSN STD SINGLE MATERIAL RESPONSE BODYASTM-B164 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICEASTM-B164 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIALCOPPER ALLOY BODYNICKEL ALLOY FLOW CONTROL DEVICENICKEL ALLOY SEATSTEEL COMP 316 STEM
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH 1ST RESPONSE200.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT 1ST RESPONSE425.0 FAHRENHEIT 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSESTEAM 2ND RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES ALL ENDS
SPECIAL FEATURESINCL ADJUSTING RING
VALVE OPERATION METHODMANUAL
STYLE DESIGNATORANGLE


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