4820-01-215-9991 VALVE,SAFETY RELIEF Index 6150-01-215-9993 CABLE ASSEMBLY,POWER,ELECTRICAL

National Stock Number:
4820-01-215-9992

Federal Supply Class:
4820

National Item Identification Number:
012159992

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:
D4866734889HUNT VALVE COMPANY INC
R10BD1D11034889HUNT VALVE COMPANY INC


Techincal Specification:
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODBOLTED
CONNECTION STYLESOCKET WITH BRAZING RING ERR-100
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
DISK LOADING METHODSPRING
FURNISHED ITEMS AND QUANTITY2 NUT AND 2 TAILPIECE
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A276 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALCOPPER ALLOY 922 BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE PACKING
MATERIALSTEEL STEM
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP425.0 DEG FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDGAS, INERT 2ND RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES ALL ENDS
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE
SUPPLEMENTARY FEATURESTHIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCE, 34889, HAS INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984


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