4820-01-252-7818 VALVE,SAFETY RELIEF Index 4820-01-252-7821 COCK,DRAIN

National Stock Number:
4820-01-252-7819

Federal Supply Class:
4820

National Item Identification Number:
012527819

Description:
VALVE,EXHAUST CONTROL

Detail:
A MANUALLY OPERATED VALVE HAVING ONE INLET AND TWO OUTLETS. IT IS DESIGNED TO CONTROL THE DIRECTION OF EXHAUST GASES INTO EITHER OF THE OUTLETS, ONE OUTLET DISCHARGING DIRECTLY INTO THE ATMOSPHERE, THE OTHER DISCHARGING UNDER WATER.


Manufacturer Information:
S-95193591PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP
S-951 GR 3 ASSY 5893591PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP
S0951-580BR59SIEMENS GOVERNMENT TECHNOLOGIES, INC.
S0951-58830Q4CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
S0951-588FGX3CURTISS-WRIGHT ELECTRO-MECHANICAL CORP
S951 GR 3 ASSY93591PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP
S951 GR3 ASSY 584RPH2DRESSER-RAND COMPANY


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER8.500 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.875 INCHES ALL ENDS
BOLT HOLE QUANTITY8 ALL ENDS
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEOUTSIDE SCREW-YOKE
CONNECTION TYPEFLANGE ALL ENDS
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALSTEEL BODY
MATERIALSTEEL FLOW CONTROL DEVICE
NOMINAL OUTSIDE DIAMETER10.000 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER10.000 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER8.500 INCHES THIRD END
NOMINAL THICKNESS0.922 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER7.312 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
SPECIAL FEATURESVALVE SIZE FOR 2 ENDS IS 5.250 IN.; OTHER END IS 3.750 IN.
VALVE OPERATION METHODMANUAL


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