On single-end face mechanical seal centrifugal pumps
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The Ministry of Emergency Management has formulated and issued the \"Catalogue of Obsolete Safety Production Processes, Technologies, and Equipment for Hazardous Chemicals (Second Batch)\". The provisions regarding centrifugal pumps state: \"Single-face mechanical seal centrifugal pumps and packing-sealed centrifugal pumps (excluding submersible pumps).\\" What is the structure of a centrifugal pump with a single-face mechanical seal? Please give me some advice!
Hazardous chemicals classified as Category A, those posing extreme or high hazards, and those whose operating temperature exceeds their auto-ignition point are prohibited from use; existing equipment must be replaced within three years. Substances classified as highly toxic, extremely toxic, or Category A are to be phased out gradually. Others are not included in this category; the available options are as follows: centrifugal pumps with double-end mechanical seals, centrifugal pumps equipped with series mechanical seals or dry gas seals, as well as leak-free pumps such as shielded pumps, magnetic drive pumps, and diaphragm pumps. There’s no problem with this; it only applies to the replacement of these types of media. For other types of media, it doesn’t matter if a single-stage sealed centrifugal pump is used
What is the structure of single-face mechanical seal centrifugal pumps and packing seal centrifugal pumps? What are the specific differences from double-faced mechanical seals?
This question doesn’t fit with your identity as a “HaiChuan freshman”. It’s no different from asking: What’s the difference between an automatic and a manual transmission in cars?
The conversion of single-face mechanical seals into double-face mechanical seals, along with the addition of cooling water tanks, has been completed on several factories