4820-01-259-2210 VALVE,SAFETY RELIEF Index 4820-01-259-2212 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-259-2211

Federal Supply Class:
4820

National Item Identification Number:
012592211

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:
16977-F72352CURTISS-WRIGHT FLOW CONTROL CORPORATION
16977-F PART 26HB10-120 57T6272352CURTISS-WRIGHT FLOW CONTROL CORPORATION


Techincal Specification:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL BODY
STEEL CORROSION RESISTING FLOW CONTROL DEVICE
STEEL COMP 316 PACKING
STEEL COMP 416 STEM
FIRST CONNECTION FACE TO CENTERLINE DISTANCE4.875 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE5.125 INCHES
VALVE SIZE3.000 INCHES
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP75.0 DEG FAHRENHEIT 1ST RESPONSE
450.0 DEG FAHRENHEIT 2ND RESPONSE
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER5.000 INCHES 1ST END
7.500 INCHES 2ND END
NOMINAL THICKNESS0.562 INCHES 1ST END
0.750 INCHES 2ND END
BOLT HOLE QUANTITY4 1ST END
4 2ND END
BOLT HOLE NOMINAL DIAMETER0.625 INCHES 1ST END
0.750 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER3.875 INCHES 1ST END
6.000 INCHES 2ND END
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
RAISED FACE NOMINAL HEIGHT0.688 INCHES 1ST END
0.922 INCHES 2ND END
RAISED FACE NOMINAL DIAMETER2.875 INCHES 1ST END
5.000 INCHES 2ND END
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODBOLTED
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING58.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE57.0 TO 62.0 POUNDS PER SQUARE INCH
SPECIAL FEATURES1 PIPE PLUG (BODY) 1/2INCH NPT


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