4820-01-540-7909, VALVE,STOP-CHECK

7641-01-540-7908 AERONAUTICAL GEOSPATIAL PRODUCTS

National Stock Number:
4820-01-540-7909

Federal Supply Class:
4820

National Item Identification Number:
015407909

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:

28S-FS4-SC/.50IN	61661	NEWMANS INC NEW JERSEY DIV
N0479-000	61661	NEWMANS INC NEW JERSEY DIV

Techincal Specification:

MATERIAL	STEEL UNS K03504 BODY
	STEEL CORROSION RESISTING FLOW CONTROL DEVICE
	STEEL CORROSION RESISTING SEAT
	STEEL CORROSION RESISTING STEM
STYLE DESIGNATOR	STRAIGHT THRU
FLOW CONTROL DEVICE	DISK
MEDIA FOR WHICH DESIGNED	AIR SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE	800.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD	MANUAL
CONNECTION TYPE	UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE	SOCKET (PIPE) ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED	0.500 INCHES ALL ENDS
BONNET TYPE	OUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHOD	BOLTED
FURNISHED ITEMS AND QUANTITY	1 HANDWHEEL
SPECIAL FEATURES	END CONNECTIONS ARE SOCKET WELD IAW ASME/ANSI B16.11; SEAT IS HARD FACED WITH STELLITE 6; APPLICATION: HIGH PRESSURE AIR
PART NAME ASSIGNED BY CONTROLLING AGENCY	GLOBE VALVE, STOP CHECK

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