4820-01-306-1405 VALVE,SAFETY RELIEF Index 4820-01-306-1407 VALVE,BUTTERFLY

National Stock Number:
4820-01-306-1406

Federal Supply Class:
4820

National Item Identification Number:
013061406

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-02 .50IN.5P967DANTE VALVE COMPANY
D50FF-02 .50IN.65079DANCO VALVE COMPANY


Techincal Specification:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC OR
MANUAL
MATERIALCOPPER ALLOY 922 BODY
NICKEL ALLOY FLOW CONTROL DEVICE
NICKEL ALLOY SEAT
STEEL CORROSION RESISTING STEM
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.672 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.672 INCHES
VALVE SIZE0.500 INCHES
FLOW CONTROL DEVICEDISK
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH 1ST RESPONSE
200.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP425.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER3.562 INCHES ALL ENDS
NOMINAL THICKNESS0.375 INCHES ALL ENDS
BOLT HOLE QUANTITY3 ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.562 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER2.438 INCHES ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODTHREADED
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE8.0 TO 13.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY1 LEVER


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