6110-00-400-6780 PROTECTOR,THERMAL-OVERLOAD,ELECT Index 4820-00-400-6788 VALVE,CROSS

National Stock Number:
4820-00-400-6785

Federal Supply Class:
4820

National Item Identification Number:
004006785

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:
510-0063-0014569COPELAND CORP
998-0510-0914569COPELAND CORP


Techincal Specification:
BOLT HOLE NOMINAL DIAMETER0.313 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.532 INCHES SECOND END
BOLT CIRCLE NOMINAL DIAMETER2.313 INCHES SECOND END
BOLT HOLE QUANTITY4 FIRST END
BONNET TYPEPACKING RETAINING
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH1.625 INCHES FIRST END
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH1.625 INCHES FIRST END
CONNECTION TYPEFLANGE SECOND END
CONNECTION TYPEFLANGE FIRST END
DISK LOADING METHODSPRING
FIRST CONNECTION FACE TO CENTERLINE DISTANCE1.375 INCHES
FLANGE FACE DESIGNPLAIN SECOND END
FLANGE FACE DESIGNRECESSED STRAIGHT FIRST END
FLANGE SHAPERECTANGULAR WITH HOLES SECOND END
FLANGE SHAPERECTANGULAR WITH HOLES FIRST END
FLOW CONTROL DEVICEPOPPET
MATERIALIRON CAST BODY
MATERIALCOPPER ALLOY SEAT
MATERIALSTEEL FLOW CONTROL DEVICE
NOMINAL LENGTH2.400 INCHES FIRST END
NOMINAL LENGTH3.765 INCHES SECOND END
NOMINAL THICKNESS0.650 INCHES FIRST END
NOMINAL THICKNESS1.125 INCHES SECOND END
NOMINAL WIDTH1.750 INCHES SECOND END
NOMINAL WIDTH2.400 INCHES FIRST END
RECESS NOMINAL DEPTH0.125 INCHES FIRST END
RECESS NOMINAL DIAMETER1.725 INCHES FIRST END
RENEWABLE SEAT RING TYPEPRESSED-IN
SECOND CONNECTION FACE TO CENTERLINE DISTANCE1.562 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE1.000 INCHES


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