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:
MATERIALSTEEL BODY
STEEL FLOW CONTROL DEVICE
COBALT ALLOY SEAT
STEEL CORROSION RESISTING STEM
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A182,GRADE F22 ASSN STD SINGLE MATERIAL RESPONSE BODY
ASTM A182,GRADE F22 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
STYLE DESIGNATORSTRAIGHT THRU Y-PATTERN FLANGED ENDS
FACE TO FACE DISTANCE12.000 INCHES
VALVE SIZE1.500 INCHES
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHODMANUAL
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER6.120 INCHES ALL ENDS
NOMINAL THICKNESS0.810 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.753 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER4.500 INCHES ALL ENDS
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
RAISED FACE NOMINAL HEIGHT0.250 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER2.875 INCHES ALL ENDS
BONNET TYPEOUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHODBOLTED
FEATURES PROVIDEDBONNET PACKING
SPECIAL FEATURESVALVE STEM ADAPTOR AND MATING,UNATTACHED TEE WRENCH
SPECIFICATION/STANDARD DATA81349-MIL-V-17737F GOVERNMENT SPECIFICATION
NONDEFINITIVE SPEC/STD DATA1 CLASS AND
2 TYPE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMIL-V-17737


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