Issues with the flexible valve of the saltwater filter
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Dear sea friends, models 1#, 4#, and 6# of the Kai membrane filters all use flexible valves; their internal components need to be replaced frequently, resulting in a short average service life – some last 3 months while others only last 1 month. Do you have any recommendations for good manufacturers? Are there any manufacturers that replace it with a pneumatic butterfly valve?
This issue has been discussed. Of course it has been changed!
This post was last edited by 5566088 on 2016-10-19 at 21:16. The key factor is the performance of the valve used. We also replaced the valve in unit 1# with a pneumatic valve (air-operated type), but over time it tended to fail to close properly. The internal leakage in unit 1# was not too severe, but units 4# and 6# couldn’t be closed properly, resulting in fluid leaking into tanks and basins. The reason why pneumatic disc valves fail to close properly is either due to scaling caused by saltwater or quality issues with the valves themselves. Therefore, it’s important to decide on the appropriate type and brand of valve. I would like to ask those who have made such replacements how the results were – whether it’s more cost-effective and easier to use flexible valves instead!
In addition to the flexible penalty mass, the air supply source is also crucial; ours can generally last for 1 year.
Sure, I can help you find out which one it is.
Already asked: from Shanghai Kaimo Company.
The TTV valves from Spain used for ceramic membranes are of good quality, with multiple options available
TTV has excellent gasket sealing
We plan to replace Valve 1# with a pneumatic valve; currently, Valve 1# needs to be replaced quite frequently, while the other flexible valves last around a year. The key is to ensure proper control of the air supply
Our company has replaced valve No. 1 with a start-up butterfly valve; the other flexible valves have not been modified yet. They are functioning well at present, though there is a small amount of crystallization at the flange area. It has a relatively long lifespan, improves the environment, and is worth upgrading.