4820-01-246-5977 VALVE,SAFETY RELIEF Index 4820-01-246-5979 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-246-5978

Federal Supply Class:
4820

National Item Identification Number:
012465978

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:
1382 1-1/4IN 20T35PSI35795LESLIE CONTROLS, INC.
C325635795LESLIE CONTROLS, INC.
C3256 1-1/4IN 20T35PSI 138235795LESLIE CONTROLS, INC.


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALBRONZE BODY
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
NICKEL ALLOY STEM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
QQ-N-288,CL A FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE STEM
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDWATER, SALT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP180.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLESOCKET WITH BRAZING RING ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED1.250 INCHES ALL ENDS
RENEWABLE SEAT RING TYPEBOLTED
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODUNION
DISK LOADING METHODSPRING


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