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National Stock Number:
4820-01-476-4229
Federal Supply Class:
4820
National Item Identification Number:
014764229
Description:
VALVE,RESTRICTOR CHECK
Detail:
A VALVE HAVING AN ORIFICE IN THE POPPET, DISK, OR THE LIKE, TO PERMIT RESTRICTED FLUID FLOW WHEN THE VALVE IS SEATED. IT DOES NOT HAVE A STEM OR PROVISIONS FOR PRESSURE ADJUSTMENTS, AND IS SIMILAR TO A VALVE, CHECK WITH THE EXCEPTION OF THE ORIFICE WHICH PERMITS FLUID FLOW IN MORE THAN ONE DIRECTION.
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Manufacturer Information:
| RCRA1875150D | 92555 | THE LEE CO |
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Techincal Specification:
| DISK LOADING METHOD | SPRING | | FURNISHED ITEMS AND QUANTITY | 1 FILTER SCREEN AND 1 SPRING AND 1 FILTER | | FLOW CONTROL DEVICE | BALL | | MATERIAL | STEEL CORROSION RESISTING BODY | | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE | | PROPRIETARY CHARACTERISTICS | PACS | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | SPECIAL FEATURES | MCRACKING PRESSURE 2-8 PSID; MAX OPERATING PRESSURE FOR CHECKED DIRECTION - 5000 PSI AND FREE FLOW DIRECTION 3000 PSI; INSERT OD IS 0.187 INCHES AND REAMED INSTALLATION HOLE OD IS 0.188 INCHES; AFTER PLACING INSERT PIECE IN REAMED HOLE, DRIVE TAPERED EXPANDER PIN INTO BODY UNTIL EXPOSED ENDS (SURFACES A & B) ARE FLUSH WITHIN .005 OF EACH OTHER; PIN AND CAGE MATERIAL IS ALSO CRES AND IS PASSIVATED; INTERNAL FILTER SCREEN SIZE IS .008 DIAMETER NOMINAL AND IS ANNEALED | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU | | SURFACE TREATMENT | PASSIVATE |
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