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PRODUCTS IN THIS VIDEO:
◆ Repair Kits: https://kimray.com/product/repair-kit
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LINKS FROM VIDEO:
◆ Selecting & Sizing a Control Valve: https://www.youtube.com/watch?v=oq6SI9rNsVQ
◆ Sizing Calculator: https://www.youtube.com/watch?v=532tmry4ZcQ
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TIMESTAMPS:
0:00 Stuffing Boxes
1:10 Possible Causes
1:31 New Stuffing Box Assembly
2:40 Repair & Conversion Kits
3:07 How to Convert
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When this equalizing pressure becomes different than the upstream pressure in the valve, it creates an imbalance of forces on the diaphragm. This can cause oscillation of the trim, which is visible from the outside as an oscillating lever arm.
This oscillation, over time, can lead to premature wear on the shaft and seals, leading to leaks at the stuffing box connection. Kimray's new stuffing box design addresses this issue and fixes the problem.