4820-01-021-4618, VALVE,STOP-CHECK

National Stock Number:
4820-01-021-4618

Federal Supply Class:
4820

National Item Identification Number:
010214618

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:

CS4820-0102	16236	DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS)
CS4820-0102 TYPE V111	16236	DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS)
D1831	17062	P J VALVES INC
D1831-1 1-2INAN	17062	P J VALVES INC
D1831-1-1 1-2INALSTP CHK	17062	P J VALVES INC
D1831-1-1/2IN	17062	P J VALVES INC
DOD-V-24675	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
FEATURES PROVIDED	BONNET PACKING
FIRST CONNECTION FACE TO CENTERLINE DISTANCE	6.000 INCHES
FLANGE FACE DESIGN	RAISED STRAIGHT ALL ENDS
FLANGE SHAPE	ROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICE	DISK
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-288, COMP E FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL	NICKEL ALLOY BODY
MATERIAL	NICKEL ALLOY FLOW CONTROL DEVICE
MATERIAL	NICKEL ALLOY SEAT
MATERIAL	NICKEL ALLOY STEM
MOUNTING POSITION	VERTICAL
NOMINAL OUTSIDE DIAMETER	7.000 INCHES ALL ENDS
NOMINAL THICKNESS	1.250 INCHES ALL ENDS
NONDEFINITIVE SPEC/STD DATA	VIII TYPE
OPERATING PRESSURE	1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
RAISED FACE NOMINAL DIAMETER	2.875 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT	0.250 INCHES ALL ENDS
SECOND CONNECTION FACE TO CENTERLINE DISTANCE	6.000 INCHES
SPECIFICATION/STANDARD DATA	81349-DOD-V-24675 GOVERNMENT SPECIFICATION
VALVE OPERATION METHOD	MANUAL
STYLE DESIGNATOR	ANGLE

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