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The mechanical seal seat of the hot water forced circulation pump of the waste heat boiler is damaged

2017-04-01View Original

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There is a groove of about 1mm in the mechanical seal seat of our waste heat boiler hot water forced circulation pump. Use electric welding to repair it, polish it bit by bit with a file, and install it after checking that there is no groove. After the installation was completed, when the inlet valve was just opened to one third, air leakage began at the original damaged location of the mechanical seal seat. Circulation pump manufacturer is: Shanghai KSB, pump model: HPH200-401. The mechanical seal seat is integrally cast. Can any manufacturer repair it?
Reply #22017-04-01
What's the temperature? Is it possible to use polymer materials to repair it?
Reply #32017-04-01
Not flat enough, gasket?
Reply #42017-04-02
After welding, you must go to the lathe to align and correct! …………Use a file! The person I admire most is you.
Reply #52017-04-02
Contact Borgman and ask them to make another one for you.
Reply #62017-04-02
The internal water temperature is about 244-246 degrees Celsius. How much does it cost to repair it with polymer materials? Do you have contact information for the manufacturer?
Reply #72017-04-02
Dear, I just want to see if I can fix it. New designations are available.
Reply #82017-04-02
Do you have the contact information of the manufacturer's technical personnel?

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