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:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
MATERIALIRON CAST BODY
STEEL FLOW CONTROL DEVICE
COPPER ALLOY SEAT
FIRST CONNECTION FACE TO CENTERLINE DISTANCE1.375 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE1.562 INCHES
VALVE SIZE1.000 INCHES
FLOW CONTROL DEVICEPOPPET
CONNECTION TYPEFLANGE 1ST END
FLANGE 2ND END
FLANGE SHAPERECTANGULAR WITH HOLES 1ST END
RECTANGULAR WITH HOLES 2ND END
NOMINAL THICKNESS0.650 INCHES 1ST END
1.125 INCHES 2ND END
NOMINAL LENGTH2.400 INCHES 1ST END
3.765 INCHES 2ND END
NOMINAL WIDTH2.400 INCHES 1ST END
1.750 INCHES 2ND END
BOLT HOLE QUANTITY4 1ST END
BOLT HOLE NOMINAL DIAMETER0.313 INCHES 1ST END
0.532 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER2.313 INCHES 2ND END
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH1.625 INCHES 1ST END
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH1.625 INCHES 1ST END
FLANGE FACE DESIGNRECESSED STRAIGHT 1ST END
PLAIN 2ND END
RECESS NOMINAL DIAMETER1.725 INCHES 1ST END
RECESS NOMINAL DEPTH0.125 INCHES 1ST END
RENEWABLE SEAT RING TYPEPRESSED-IN
BONNET TYPEPACKING RETAINING
DISK LOADING METHODSPRING


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