4820-01-048-9272 VALVE,CHECK Index 4820-01-048-9274 VALVE,BALL

National Stock Number:
4820-01-048-9273

Federal Supply Class:
4820

National Item Identification Number:
010489273

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:
2698Y 1/4IN80318BTR VALVE SEALANTS INC
C6144480318BTR VALVE SEALANTS INC
C61444-2698Y1-480318BTR VALVE SEALANTS INC
C61444-2698Y1-4IN80318BTR VALVE SEALANTS INC


Techincal Specification:
BONNET ATTACHMENT METHODUNION
BONNET TYPEINSIDE SCREW
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLESOCKET ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATION66,AISI 416/SAE 51410 FED STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A105,GRADE2 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A2716 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A276 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIALSTEEL BODY
MATERIALSTEEL COMP 416 STEM
MATERIALSTEEL COMP 316 FLOW CONTROL DEVICE
MATERIALSTEEL COMP 316 SEAT
MAXIMUM OPERATING TEMP100.0 FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING TEMP900.0 FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING PRESSURE2000.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING PRESSURE600.0 POUNDS PER SQUARE INCH 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS 2ND RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES ALL ENDS
RENEWABLE SEAT RING TYPETHREADED
STYLE DESIGNATORSTRAIGHT THRU Y-PATTERN
SUPPLEMENTARY FEATURESTHIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL;THE CURRENT APPROVED SOURCES;80318 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984,THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984
VALVE OPERATION METHODMANUAL


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