4820-01-320-8856 VALVE,SAFETY RELIEF Index 4820-01-320-8858 VALVE,BUTTERFLY

National Stock Number:
4820-01-320-8857

Federal Supply Class:
4820

National Item Identification Number:
013208857

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:
D50FF-05 1/2IN.5P967DANTE VALVE COMPANY
D50FF-05 1/2IN.65079DANCO VALVE COMPANY


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+45.0 TO 75.0 POUNDS PER SQUARE INCH
CONNECTION TYPEFLANGE ALL ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.672 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALBRONZE BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALSTEEL CORROSION RESISTING STEM
MEDIA FOR WHICH DESIGNEDLIQUID SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER3.562 INCHES ALL ENDS
NOMINAL THICKNESS0.375 INCHES ALL ENDS
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.672 INCHES
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE0.500 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS


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