4820-01-348-1400 VALVE,SAFETY RELIEF Index 4820-01-348-1402 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-348-1401

Federal Supply Class:
4820

National Item Identification Number:
013481401

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:
2014486184GRISWOLD INDUSTRIES
20144C86184GRISWOLD INDUSTRIES


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+65.0 TO 180.0 POUNDS PER SQUARE INCH
BOLT HOLE NOMINAL DIAMETER0.875 INCHES ALL ENDS
BOLT HOLE QUANTITY8 ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER11.750 INCHES ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRING
FACE TO FACE DISTANCE25.380 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALSTEEL BODY
MAXIMUM OPERATING TEMP110.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER13.500 INCHES ALL ENDS
NOMINAL THICKNESS1.125 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER10.630 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE8.000 INCHES
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS NOTE:TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.


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