4820-01-278-8639 VALVE,CHECK Index 4820-01-278-8641 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-278-8640

Federal Supply Class:
4820

National Item Identification Number:
012788640

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:
BCSAA07SDD5P967DANTE VALVE COMPANY
D52UU-07 3/4 IN.65079DANCO VALVE COMPANY


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+110.0 TO 160.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHODTHREADED
BONNET TYPEINSIDE SCREW
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLESOCKET WITH BRAZING RING ALL ENDS
DISK LOADING METHODSPRING
FURNISHED ITEMS AND QUANTITY1 LEVER
FLOW CONTROL DEVICEDISK
MATERIALBRONZE BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALRUBBER PACKING
MATERIALSTEEL CORROSION RESISTING STEM
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING TEMP425.0 FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDGAS, INERT 2ND RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES ALL ENDS
RENEWABLE SEAT RING TYPETHREADED
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC


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