4820-01-548-2882, VALVE,STOP-CHECK

5999-01-548-2881 SHIELDING GASKET,ELECTRONIC

5999-01-548-2883 SHIELDING GASKET,ELECTRONIC

National Stock Number:
4820-01-548-2882

Federal Supply Class:
4820

National Item Identification Number:
015482882

Description:
VALVE,STOP-CHECK

Detail:
A VALVE WITH A BOLT OR STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST POSITION, THE VALVE DISK IS LOCATED AND LOCKED AGAINST THE SEAT PERMITTING NO FLUID FLOW THROUGH THE VALVE. IN THE SECOND POSITION, ONE SIDE OF THE VALVE DISK IS LOCATED AGAINST THE SEAT PERMITTING MOVEMENT OF THE DISK IN A MANNER THAT WILL ALLOW A FLOW OF FLUID IN ONE DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. SEE ALSO VALVE (1), LIFT-CHECK AND VALVE (1), STOP-LIFT-CHECK.

Manufacturer Information:

B14-0084C-13JS	57574	VELAN VALVE CORP.
MIL-DTL-22052	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
P3-43949-G01	57574	VELAN VALVE CORP.
P3-43949-G01(B14-0084C-13JS)	57574	VELAN VALVE CORP.
MIL-V-22052D	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

MATERIAL	STEEL CORROSION RESISTING BODY
	STEEL CORROSION RESISTING FLOW CONTROL DEVICE
	GRAPHITE PACKING
	STEEL CORROSION RESISTING SEAT
	STEEL CORROSION RESISTING STEM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A351 GR CF8M ASSN STD SINGLE MATERIAL RESPONSE BODY
	ASTM A182 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
	MIL-P-24503 MIL STD SINGLE MATERIAL RESPONSE PACKING
	ASTM A182, STELLITED ASSN STD SINGLE MATERIAL RESPONSE SEAT
	ASTM A182 TY F316 ASSN STD SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATOR	STRAIGHT THRU
FLOW CONTROL DEVICE	DISK
MAXIMUM OPERATING PRESSURE	150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD	MANUAL
CONNECTION TYPE	BUTT WELD PIPE 1ST END
	FLANGE 2ND END
CONNECTION STYLE	BEVELED (PIPE) 1ST END
FLANGE SHAPE	ROUND WITH HOLES 2ND END
FLANGE FACE DESIGN	PLAIN 2ND END
NOMINAL PIPE SIZE ACCOMMODATED	6.000 INCHES 1ST END
FURNISHED ITEMS AND QUANTITY	1 HANDWHEEL
FEATURES PROVIDED	BONNET PACKING
SPECIAL FEATURES	REQUIRES SHOCK AND VIBRATION TESTING QUALIFIED; VALVE HAS EQUALIZER PIPE
PART NAME ASSIGNED BY CONTROLLING AGENCY	STOP CHECK VALVE (CAST)
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MIL-DTL-22052

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