4820-01-332-6808 VALVE,SAFETY RELIEF Index 4820-01-332-6810 VALVE,BUTTERFLY

National Stock Number:
4820-01-332-6809

Federal Supply Class:
4820

National Item Identification Number:
013326809

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:
26DA16-140/S4/SP1.50X2.502000P72352CURTISS-WRIGHT FLOW CONTROL CORPORATION


Techincal Specification:
BOLT HOLE NOMINAL DIAMETER0.875 INCHES 2ND END
BOLT HOLE NOMINAL DIAMETER1.250 INCHES 1ST END
BOLT HOLE QUANTITY4 2ND END
BOLT HOLE QUANTITY8 1ST END
BOLT CIRCLE NOMINAL DIAMETER4.500 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER7.750 INCHES 1ST END
BONNET ATTACHMENT METHODINTEGRAL
BONNET TYPEINSIDE SPRING
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRING
FIRST CONNECTION FACE TO CENTERLINE DISTANCE6.500 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALSTEEL BODY
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING SEAT
MATERIALSTEEL CORROSION RESISTING STEM
MAXIMUM OPERATING PRESSURE2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDWATER, FRESH 3RD RESPONSE
NOMINAL OUTSIDE DIAMETER6.125 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER10.500 INCHES 1ST END
NOMINAL THICKNESS0.812 INCHES 2ND END
NOMINAL THICKNESS2.250 INCHES 1ST END
OPENING PRESSURE SETTING2000.0 POUNDS PER SQUARE INCH
RAISED FACE NOMINAL DIAMETER2.875 INCHES 2ND END
RAISED FACE NOMINAL DIAMETER4.125 INCHES 1ST END
RAISED FACE NOMINAL HEIGHT0.250 INCHES 1ST END
RAISED FACE NOMINAL HEIGHT0.688 INCHES 2ND END
RENEWABLE SEAT RING TYPETHREADED
SECOND CONNECTION FACE TO CENTERLINE DISTANCE5.500 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE1.500 INCHES


Click here to Register for Free 30-day Trial