4820-01-259-5785 VALVE,CHECK Index 4820-01-259-5787 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-259-5786

Federal Supply Class:
4820

National Item Identification Number:
012595786

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:
1811GA-0-3X1-2016497DRESSER, INC.
314953 SER.N0.8V0925316497DRESSER, INC.


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+4.0 TO 309.0 POUNDS PER SQUARE INCH
BOLT HOLE NOMINAL DIAMETER0.625 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRING
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALSTEEL BODY
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM 2ND RESPONSE
NOMINAL OUTSIDE DIAMETER1.250 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER1.500 INCHES 1ST END
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE SIZE1.250 INCHES
VALVE OPERATION METHODAUTOMATIC


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