|
|
|
National Stock Number:
4820-01-462-9014
Federal Supply Class:
4820
National Item Identification Number:
014629014
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.
|
Manufacturer Information:
| FHFX0500300B | 92555 | THE LEE CO |
|
Techincal Specification:
| CONNECTION TYPE | UNTHREADED CARTRIDGE ALL ENDS | | CONNECTION STYLE | GROOVED (DROP-IN CARTRIDGE) ALL ENDS | | FLOW CONTROL DEVICE | POPPET | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL | STEEL CORROSION RESISTING BODY | | PROPRIETARY CHARACTERISTICS | PACS | | MAXIMUM OPERATING PRESSURE | 5000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | SPECIAL FEATURES | SPECIAL 0.375 INCH DIA HIGH PRESSURE FORWARD FLOW CONTROL; INSERT IS PLACED IN INSTALLATION HOLE THEN PIN IS PRESSED INTO INSERT USING P/N CUTA3750106C INSTALLATION AND EXTRACTION TOOL; INSERT AND PIN HAVE PARTIAL EXTRACTION THREADS 0.250-32 UNEF; INSERT LENGTH IS 1.410 INCHES NOMINAL, DIA IS 0.3742 INCHES MIN AND 0.3749 INCHES MAX; PIN LENGTH IS 0.380 INCHES NOMINAL, DIA IS 0.340 INCHES NOMINAL; SPRING SEAT MATERIAL SAME AS BODY (304 CRES/QQ-S-763), SPRING (17-7 PH CRES/AMS 5678), PIN AND ORIFICE PLATE (17-4 PH CRES/AMS 5643), POPPET AND SCREENS (15-5 PH CRES/AMS 5659); SCREEN HOLE SIZE 0.012 INCHES NOMINAL; REPLACEMENT PIN P/N PRRA3750003A; PIN COATING IS WAX; FREE FLOW IN FORWARD DIRECTION AT 28 LOHMS MAX RESTRICTION AT 25 PSID AND GREATER; METERED FLOW IN REVERSE DIRECTION 1500 LOHMS PLUS OR MINUS 5.0 PERCENT RESTRICTION; CRACKING PRESSURE 5.0 PSID PLUS OR MINUS 3.0 PSID | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | DROP-IN CARTRIDGE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM-A-967 ASSN STD SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | PASSIVATE |
|
|