4820-01-018-3780, VALVE,Y

National Stock Number:
4820-01-018-3780

Federal Supply Class:
4820

National Item Identification Number:
010183780

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 1-2 12G8F22	55046	CONVAL, INC.
12G8-F22	55046	CONVAL, INC.
3292M 1.50 IN.	06546	BEE LINE COMPANY
808-90A/808-1500REV0/882010235	1GZ83	SFC VALVE CORPORATION
808-90A/808-1500REV0/882010235	32373	SFC VALVE CORP
BB814-1-D1	34889	HUNT VALVE COMPANY INC
D27357-1 1/2IN	86520	CONBRACO INDUSTRIES INC R-P AND C VALVE DIV
D48249/882010609	34889	HUNT VALVE COMPANY INC
DWG12G8-F22CID882010589	55046	CONVAL, INC.
F073076B2TS/33652-6D/882010602	57574	VELAN VALVE CORP.
MIL-V-17737	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MILV17737 TY1 C	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MILV17737TY1CL2	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

BOLT CIRCLE NOMINAL DIAMETER	4.875 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER	1.125 INCHES ALL ENDS
BOLT HOLE QUANTITY	4 ALL ENDS
BONNET ATTACHMENT METHOD	BOLTED
BONNET TYPE	OUTSIDE SCREW-YOKE
CONNECTION TYPE	FLANGE ALL ENDS
FACE TO FACE DISTANCE	15.500 INCHES
FLANGE FACE DESIGN	RAISED STRAIGHT ALL ENDS
FLANGE SHAPE	ROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICE	DISK
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763,CLASS 302 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIAL	COBALT ALLOY FLOW CONTROL DEVICE
MATERIAL	COBALT ALLOY SEAT
MATERIAL	STEEL COMP 302 STEM
PROPRIETARY CHARACTERISTICS	PACS
NOMINAL OUTSIDE DIAMETER	7.000 INCHES ALL ENDS
NOMINAL THICKNESS	1.250 INCHES ALL ENDS
NONDEFINITIVE SPEC/STD DATA	1 TYPE AND 2 CLASS
RAISED FACE NOMINAL DIAMETER	2.875 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT	0.250 INCHES ALL ENDS
SPECIFICATION/STANDARD DATA	81349-MIL-V-17737 GOVERNMENT SPECIFICATION
VALVE OPERATION METHOD	MANUAL
VALVE SIZE	1.500 INCHES
STYLE DESIGNATOR	STRAIGHT THRU Y-PATTERN FLANGED ENDS

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