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National Stock Number:
4820-00-420-6719
Federal Supply Class:
4820
National Item Identification Number:
004206719
Description:
BALL,CHECK
Detail:
A SPHERICAL SHAPED DEVICE THAT MAY BE OF SOLID OR HOLLOW CONSTRUCTION. IT IS DESIGNED TO SEAT IN AN OPENING THEREBY PREVENTING THE PASSAGE OF FLUID. IT MAY BE USED WITH A SPRING ENABLING THE BALL TO BECOME UNSEATED AT A PREDETERMINED PRESSURE AS EXERTED BY THE FLUID FLOW AND TO BECOME RESEATED IN THE ABSENCE OF FLUID PRESSURE. FOR VALVE BALLS THAT INCLUDE PORTS SEE BALL, VALVE, PORTED.
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Manufacturer Information:
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Techincal Specification:
| MATERIAL | STEEL CORROSION RESISTING | | PRESSURE CLASS | 4500.0 POUNDS PER SQUARE INCH | | VALVE DESIGN CONTROL ACTIVITY | 94874 | | VALVE MODEL NUMBER FOR WHICH DESIGNED | 1701 |
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