–HEBEI CHENGDA PIPES CO., LTD.
Note: This pressure vessel may cause severe bodily harm, and/or explosive head failure if not correctly installed, operated and maintained.
Installation Steps (Illustrate by side port)
Note: Provide adequate clearance for servicing at both ends of the vessel. Try to align the feed port and concentrate port. Assure that each vessel be placed to minimize strain on piping that connects a vessel to a header.
Remove the housing head, rinse away all loosened deposits from each components and the housing inside surface using clean fresh water or a mild solution.
Using glycerine to lubricate the head sale set, adapter seal area and also applied uniformly on the slope of the groove in the head. To ensure that the seals can be smoothly pushed forward.
Note: The membrane element must always be installed from the inlet of the membrane housing, reverse installation may result in damage to the seal set of concentrate port.
Note: Install the membrane housing from the inlet side. Take care to avoid pushing the final elements too far as it can be difficult to push the stack in a reverse direction.
Note: Remove the excess glycerine on the adapter.
Install three turns locking ring. Pushing three turns locking ring into the groove as you rotate your hand three times until the entire three turns locking ring is installed in the groove. And then install the security bolt with the inner hex wrench.(important)
Note: Three turns locking ring must be installed correctly. Failure to install it will cause head explosion under pressure.
Note: Do not install thrust cone at feed port.
Note: Avoid over strength on strew plug to prevent any damage. Ensure PPR washer is correct installation, avoid movement of membranes to prevent striking the head is assembles into the vessel, and protecting membranes are well. A washer must be installed on the adapter that is connected between the shell and the element to eliminate the installation leak.
To avoid any installation omission and improper operation, the following items shall be checked and verified:
After completing the above pre-pressurization checks. Vessels should be filled slowly to assist trapped air in escaping. After emptying then relieve pressure, go over it one more time to prevent water hammer and make sure the sealing ring is relaxed and reducible.
Note: Please do not pressurize the vessels before pre-pressurization checks. System damage and bodily harm caused by failure to follow above guidelines is the sole responsibility of the purchaser.
Removing head assembly
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