4520-01-428-6422 HEATER,DUCT TYPE,STATIONARY Index 4520-01-428-6424 HEATER,DUCT TYPE,STATIONARY

National Stock Number:
4820-01-428-6423

Federal Supply Class:
4820

National Item Identification Number:
014286423

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:
4512086184GRISWOLD INDUSTRIES
45120-01B86184GRISWOLD INDUSTRIES


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+10.0 TO 100.0 POUNDS PER SQUARE INCH
BOLT CIRCLE NOMINAL DIAMETER5.500 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.563 INCHES ALL ENDS
BOLT HOLE QUANTITY8 ALL ENDS
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODUNION
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRING
FURNISHED ITEMS AND QUANTITY1 STRAINER
FACE TO FACE DISTANCE12.000 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
NOMINAL OUTSIDE DIAMETER6.630 INCHES ALL ENDS
NOMINAL THICKNESS0.500 INCHES ALL ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE3.000 INCHES
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS NOTE:TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.


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