4820-00-923-4582 VALVE,GLOBE Index 4820-00-923-4587 VALVE,CHECK

National Stock Number:
4820-00-923-4585

Federal Supply Class:
4820

National Item Identification Number:
009234585

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:
MILV2209481349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
W3-284B-2TS57574VELAN VALVE CORP.
W3-284B-2TSL103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG


Techincal Specification:
CONNECTION STYLESOCKET (PIPE) 1ST END
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES 1ST END
FLOW CONTROL DEVICEDISK
MATERIALSTEEL COMP XM-10 STEM OR STEEL COMP XM-11 STEM OR STEEL COMP XM-21 STEM OR STEEL COMP XM-26 STEM OR STEEL COMP XM-27 STEM OR STEEL COMP 304 STEM OR STEEL COMP 304L STEM OR STEEL COMP 305 STEM OR STEEL COMP 308 STEM OR STEEL COMP 309 STEM OR STEEL COMP 309S STEM OR STEEL COMP 310 STEM OR STEEL COMP 310S STEM OR STEEL COMP 316 STEM OR STEEL COMP 316L STEM OR STEEL COMP 316N STEM OR STEEL COMP 317 STEM OR STEEL COMP 321 STEM OR STEEL COMP 347 STEM OR STEEL COMP 348 STEM OR STEEL COMP 403 STEM OR STEEL COMP 405 STEM OR STEEL COMP 410 STEM OR STEEL COMP 414 STEM OR STEEL COMP 420 STEM OR STEEL COMP 430 STEM OR STEEL COMP 431 STEM OR STEEL COMP 440A STEM OR STEEL COMP 440B STEM OR STEEL COMP 440C STEM OR STEEL COMP 446 STEM OR STEEL CORROSION RESISTING STEM
MOUNTING POSITIONHORIZONTAL
VALVE OPERATION METHODMANUAL
STYLE DESIGNATORSTRAIGHT THRU
CRITICALITY CODE JUSTIFICATIONZZZY
MAXIMUM OPERATING TEMP775.0 DEG FAHRENHEIT SINGLE RESPONSE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
MAXIMUM OPERATING PRESSURE600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
RENEWABLE SEAT RING TYPEWELDED
NONDEFINITIVE SPEC/STD DATAD COMPOSITION
BONNET TYPEOUTSIDE SCREW-YOKE
DISK LOADING METHODSPRING
FEATURES PROVIDEDBONNET PACKING
CONNECTION TYPEUNTHREADED INTERNAL PIPE 1ST END
BONNET ATTACHMENT METHODBOLTED


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