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Urea melting pump shaft seal

2009-03-23View Original

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Urea tends to crystallize and is highly corrosive. The requirements for selecting shaft seals are quite high. I would like to ask all of you who are experienced in this field: what types of shaft seals do you know, and which pump manufacturers offer the best ones? Thank you!
Reply #22009-03-23
The material is usually 316L; a single-face mechanical seal can be used if the sealing chamber is properly insulated.
Reply #32009-04-21
Manufacturers of urea melting pumps: in China, Dalian Shenlan Pump Industry is one such manufacturer; it is used by Luzhou Tianhua, and performs well!! There are several factories in Xi’an that are capable of producing these pumps; it is recommended to choose seals from well-known domestic manufacturers of mechanical seals as suppliers for these pumps
Reply #42009-04-22
Our factory is part of Xi’an Pump and Valve General Factory; we specialize in packing seals
Reply #52009-04-22
Our factory uses products from Xi’an Pump and Valve Factory – a packing + auxiliary impeller seal system
Reply #62009-05-05
The double-suction urea melting pump produced by Jingjiang Yufeng Pump Valve Machinery Factory requires no sealing, and the entire unit has been in operation for over a year.

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