Dear Please first check Water ...

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Dear Please first check Water Quality of each vessel &  do probing test to find out the each membrane condition, its simple to find out which vessel or membrane's O-ring or inter connector oring missed placed. its very easy.

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No Dear Probing is simple,

Probing If one pressure vessel shows a significantly higher permeate concentration than the other vessels of the same stage, then this vessel should be probed. The procedure allows locating a problem within a pressure vessel while Plant in operation without unloading elements. Probing involves the insertion of a plastic tube (approx. 1/4 inch (6 mm) in diameter) into the full length of the permeate tube  in order to measure the permeate conductivity at different locations inside the pressure vessel.

For example, 

01. Open Vessel permeate pipe connector, check water Quality ,

02. Arrange 1/4 inch (6 mm) or 1/3 inch plastic semi flexible tube Mark point as per membrane length 40'',

03. insert the tube in permeate pipe,

04. take water sample form each membrane & check result 

Again.

Probing must be performed while the reverse osmosis system is operating. The tubing is worked through various fittings to the other end of the vessel. It is then gradually pulled back or enter forward as diverted water samples are tested. Sufficient time (30 seconds) should be allowed between samples to be sure that water from the new sampling location has completely displaced the water within the tubing.

 

 

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So You are saying I can open the membrane housing by my own and can check the seal by myself only? How the probe test is done?

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