4820-01-320-8183 VALVE,CHECK Index 4820-01-320-8185 VALVE,BUTTERFLY

National Stock Number:
4820-01-320-8184

Federal Supply Class:
4820

National Item Identification Number:
013208184

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:
D841-406096101GAS EQUIPMENT ENGINEERING CORPORATION, THE DBA GEECO
D841-4060CP03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER2.380 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
CRITICALITY CODE JUSTIFICATIONZZZY
FURNISHED ITEMS AND QUANTITY1 HANDWHEEL
FACE TO FACE DISTANCE3.500 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDIAPHRAGM OR STEM
NOMINAL OUTSIDE DIAMETER3.500 INCHES ALL ENDS
NOMINAL THICKNESS0.340 INCHES ALL ENDS
OPERATING PRESSURE3500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
VALVE OPERATION METHODMANUAL
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS


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