4820-00-186-3568, VALVE,STOP-CHECK

National Stock Number:
4820-00-186-3568

Federal Supply Class:
4820

National Item Identification Number:
001863568

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:

4820PL1341242	9009H	INSPEKTORAT WSPARCIA SIL ZBROJNYCH
803-1385541	80064	NAVAL SHIP SYSTEMS COMMAND
S4824-1385541	53711	NAVAL SEA SYSTEMS COMMAND
S4824-1385541	80064	NAVAL SHIP SYSTEMS COMMAND
803-1385541-044	80064	NAVAL SHIP SYSTEMS COMMAND

Techincal Specification:

MATERIAL	COPPER ALLOY 922 BODY
	NICKEL ALLOY FLOW CONTROL DEVICE
	NICKEL ALLOY SEAT
	NICKEL ALLOY STEM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE BODY
	MIL-N-894,CLASS B- CANCELED MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
	QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
	MIL-N-894,CLASS B- CANCELED MIL SPEC SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATOR	ANGLE FLANGED ENDS
VALVE SIZE	4.000 INCHES
FIRST CONNECTION FACE TO CENTERLINE DISTANCE	6.000 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE	6.000 INCHES
FLOW CONTROL DEVICE	DISK
MEDIA FOR WHICH DESIGNED	STEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE	100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP	425.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD	MANUAL
CONNECTION TYPE	FLANGE ALL ENDS
FLANGE SHAPE	ROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER	7.687 INCHES ALL ENDS
NOMINAL THICKNESS	0.500 INCHES ALL ENDS
BOLT HOLE QUANTITY	8 ALL ENDS
BOLT HOLE NOMINAL DIAMETER	0.562 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER	6.562 INCHES ALL ENDS
FLANGE FACE DESIGN	PLAIN ALL ENDS
MOUNTING POSITION	VERTICAL
RENEWABLE SEAT RING TYPE	THREADED
BONNET TYPE	OUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHOD	BOLTED
SPECIAL FEATURES	VALVE SIZE 4.000 IN.
TEST DATA DOCUMENT	03950-CID882033313 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).

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