How to replace the security filter element?

Different types of water filter elements are used in different fields and environments. The security filter water filter element is different from the water filter element used daily. The replacement process and method are also more troublesome, and many aspects need to be paid attention to. The replacement method and process of the water filter element of the security filter: 1. The security filter element should be counted at the scene first, and pay attention to the specific standard and quantity of the filter element used. 2. Open the bypass valve of the security filter, close the front and rear valves of the security filter, and isolate the security filter from the operating system. If the pure water subsystem can temporarily not operate, close the corresponding subsystem first to prevent replacing the filter element When the system starts suddenly, it causes problems. 3. Open the exhaust valve on the top of the security filter and the drain valve at the bottom to drain the internal water. 4. Use the corresponding tool to open the end cover compression bolt of the security filter, and remove the end cover. 5. Remove the stainless steel pressure plate of the filter element and take out the limit spring under the pressure plate. 6. Take out all the old filter elements, and pay attention to the old gaskets below not to be missed in the security filter. 7. Install the new filter element, paying attention to the upper and lower gaskets of the filter element not to be missing. 8. Put a limit spring on the top of the washer on the filter element. 9. Install the stainless steel pressure plate. Note that each spring must be aligned with the corresponding round hole on the pressure plate. 10. Install the security filter end cover, pay attention to whether the sealing strip is installed flat and the corresponding direction of the upper pressure gauge. 11. Use the corresponding tools to tighten the end cover compression bolts. 12. Close the drain valve under the security filter, open the front and rear inlet and outlet valves, and close the bypass valve. 13. The exhaust valve above the end cover remains open for exhaust. 14. When all the air in the exhaust valve has been exhausted and water has flowed out, close the exhaust valve. 15. Clean up on-site hygiene and make corresponding records.
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