4820-00-276-9027, VALVE,STOP-CHECK

National Stock Number:
4820-00-276-9027

Federal Supply Class:
4820

National Item Identification Number:
002769027

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:

5000S4824-1385512	80064	NAVAL SHIP SYSTEMS COMMAND
6082	71905	DERBYSHIRE MACHINE & TOOL CO

Techincal Specification:

BOLT CIRCLE NOMINAL DIAMETER	2.687 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER	0.562 INCHES FIRST END
BOLT HOLE QUANTITY	4 FIRST END
BONNET TYPE	OUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHOD	UNION
CONNECTION TYPE	FLANGE FIRST END
FEATURES PROVIDED	BONNET PACKING
FIRST CONNECTION FACE TO CENTERLINE DISTANCE	2.625 INCHES
FLANGE FACE DESIGN	RAISED STRAIGHT FIRST END
FLANGE SHAPE	ROUND WITH HOLES FIRST END
FLOW CONTROL DEVICE	CONE
OPERATING PRESSURE	150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIAL	STEEL COMP 410 STEM
MEDIA FOR WHICH DESIGNED	STEAM SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER	3.812 INCHES FIRST END
NOMINAL THICKNESS	0.438 INCHES FIRST END
RAISED FACE NOMINAL DIAMETER	1.688 INCHES FIRST END
RAISED FACE NOMINAL HEIGHT	0.062 INCHES FIRST END
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	AS DIFFERENTIATED BY PAC AAQL AND SIZE 3/4 IN.
SECOND CONNECTION FACE TO CENTERLINE DISTANCE	2.625 INCHES
VALVE OPERATION METHOD	MANUAL
VALVE SIZE	0.750 INCHES
STYLE DESIGNATOR	ANGLE FLANGED ENDS

Click here to Register for Free 30-day Trial