4820-01-140-4832 VALVE,SAFETY RELIEF Index 4820-01-140-4835 VALVE,BALL

National Stock Number:
4820-01-140-4834

Federal Supply Class:
4820

National Item Identification Number:
011404834

Description:
VALVE,Y

Detail:
A VALVE WITH ONE INLET AND ONE OUTLET CONNECTION THAT PROVIDES UNOBSTRUCTED FLUID FLOW. THE FLOW IS CONTROLLED BY THE ACTION OF A STEM WHICH LIFTS DISK PERPENDICULARLY OFF CENTER AXIS OF ITS SEAT. THE STEM IS AT ANGLE OF LESS THAN 90 DEGREES (1.5708 RADIANS) TO PARALLEL INLET AND OUTLET FLOW. IT MAY UTILIZE A DIAPHRAGM AS PACKING. EXCLUDES VALVE, STOP-CHECK.


Manufacturer Information:
1-1/2INF212U6A86520CONBRACO INDUSTRIES INC R-P AND C VALVE DIV
10G8L-N0555046CONVAL, INC.
808-891GZ83SFC VALVE CORPORATION
F07-2076B-02TS57574VELAN VALVE CORP.
F07-2076B-02TS 3362-7LKDVC57574VELAN VALVE CORP.
MIL-V-1773781349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER4.500 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.753 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BONNET TYPEOUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHODBOLTED
CONNECTION TYPEFLANGE ALL ENDS
FACE TO FACE DISTANCE12.000 INCHES
FEATURES PROVIDEDBONNET PACKING
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A182,GRADE F22 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A182,GRADE F22 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIALCOBALT ALLOY SEAT
MATERIALSTEEL BODY
MATERIALSTEEL CORROSION RESISTING STEM
MATERIALSTEEL FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER6.120 INCHES ALL ENDS
NOMINAL THICKNESS0.810 INCHES ALL ENDS
NONDEFINITIVE SPEC/STD DATA1 CLASS AND 2 TYPE
RAISED FACE NOMINAL DIAMETER2.875 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT0.250 INCHES ALL ENDS
SPECIAL FEATURESVALVE STEM ADAPTOR AND MATING,UNATTACHED TEE WRENCH
SPECIFICATION/STANDARD DATA81349-MIL-V-17737F GOVERNMENT SPECIFICATION
STYLE DESIGNATORSTRAIGHT THRU Y-PATTERN FLANGED ENDS
VALVE OPERATION METHODMANUAL
VALVE SIZE1.500 INCHES


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