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National Stock Number:
4820-01-522-8054
Federal Supply Class:
4820
National Item Identification Number:
015228054
Description:
VALVE,CHECK
Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
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Manufacturer Information:
| 0021270200-1 | 83533 | ESSEX INDUSTRIES INC | | DAF3287P002 | 1W025 | NORTHROP GRUMMAN SYSTEMS CORP |
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Techincal Specification:
| DISK LOADING METHOD | SPRING | | FACE TO FACE DISTANCE | 0.060 INCHES | | FLANGE FACE DESIGN | PLAIN ALL ENDS | | FLANGE SHAPE | ROUND ALL ENDS | | FLOW CONTROL DEVICE | DISK | | MAXIMUM OPERATING PRESSURE | 16.2 POUNDS PER SQUARE INCH SINGLE RESPONSE | | PART NAME ASSIGNED BY CONTROLLING AGENCY | VALVE, CHECK; AIR CIRCULATION | | PROPRIETARY CHARACTERISTICS | PACS | | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE | | MINIMUM OPERATING TEMP | -40.0 DEG FAHRENHEIT | | NOMINAL OUTSIDE DIAMETER | 2.050 INCHES ALL ENDS | | SPECIAL FEATURES | PROOF PRESSURE 15.0 PSIG; BURST 25.0 PSIG; TEMPERATURE RANGE MINUS 40 TO PLUS 168 DEG FEH; CONSISTS OF THE FOLLOWING: SPRING, RETAINER, COUPLING; MAXIMUM CRACKING PRESSURE 0.4 INCH H2O; NONOPERATING TEMPERATURE RANGE -45 DEG FEH TO +165 DEG FEH; NOMINAL INTERNAL OPERATING PRESSURE RANGE 14.7 PSIA TO 16.2 PSIA MAXIMUM | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS |
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