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I completely understand your point — and I agree, ideally, a membrane should come with clearly defined pressure specs. However, in practice, especially when dealing with some overseas suppliers, we sometimes find ourselves in situations where the only available data is the test pressure. In such...

In the worst-case scenario, there could be a partial mechanical failure somewhere in the drive line — such as a cracked shaft or a sheared key — that still allows the system to operate under light load, but slips or loses synchronization under heavier vehicle weight. This would explain why the...

You might want to check the shaft coupling that connects the driver-side belt. If the coupling is damaged or slipping, torque may not be transferred properly, even if the sprockets and bearings are new. Also, ensure the belt tension is balanced on both sides and check for any oil or detergent...

If the pressure rating is not provided by the manufacturer (or is unclear), I believe it's safe to operate below the tested pressure. In that case, using a high-pressure-rated membrane under the same conditions provides an extra safety margin against membrane failure. Especially with membranes...

Wouldn't operating above the rated pressure damage the membrane? From what I know, it's actually the opposite — running a low-pressure membrane at high pressure tends to shorten its lifespan. I’ve heard that using a high-pressure-rated membrane at lower pressure results in lower efficiency...

From what we understand, they are using high-pressure membranes at relatively low pressure, like city water pressure, to increase production. They said that if they use low-pressure membranes, the production rate would be too low and it would quickly run out of water.

I found a compatible product on Amazon and placed an order. Once it arrives, I plan to hand it over to him.

I’m based in Japan.

Thank you for your response. I had seen this as well, but I excluded it because I wasn't sure if they offer international shipping. If it's something that can be arranged through Amazon, that would be ideal, but I'll try contacting them to check.

I am currently using Vertex AIR1 as an aeration system for circulating water. I know the filter model for this system is MUF202Z, but I am having trouble obtaining it. While researching compatible alternatives, I came across the Solberg 06 filter, which seems like a close match. Could anyone...

Please try operating it with that hole sealed. If the situation changes, it’s likely that backflow is occurring, so please check the check valve. Since that area is part of the air circuit, it normally shouldn’t result in detergent or other substances spraying out."

If you have a pressure gauge, would you consider checking the pressure during operation? I also believe this hole is supposed to be closed off.

Either way, it looks like dismantling and removal will be necessary.

As far as I know, HANNA's RO systems often operate at around 100 PSI.

If it is done hundreds of times, the state with the brakes applied will cause greater damage, but if it is done only a few times, the difference is negligible.