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National Stock Number:
4820-01-321-8371
Federal Supply Class:
4820
National Item Identification Number:
013218371
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:
| 4-40-2000 | 64484 | SARGENT-WELCH SCIENTIFIC CO |
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Techincal Specification:
| MATERIAL | STEEL | | VALVE DESIGN CONTROL ACTIVITY | 64484 |
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