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Most salt water pumps use packing seals, which result in a very high leakage rate

2011-10-19View Original

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Most salt water pumps use packing seals, which result in high leakage rates. What would be the effect if mechanical seals were used? What materials would be more cost-effective and durable?
Reply #22011-10-20
Apart from the sealing surface and springs and O-rings, all other components of the mechanical seal are made of 316 stainless steel. But how can stainless steel be used in saline solutions? Therefore, a packing is a better choice; saline solutions don’t cause any pollution to the atmosphere, so it’s fine if there is a leak
Reply #32011-10-20
Apart from the sealing surface and springs and O-rings, all other components of the mechanical seal are made of 316 stainless steel. But how can stainless steel be used in saline solutions? Therefore, a packing is a better choice; saline solutions don’t cause any pollution to the atmosphere, so it’s fine if there is a leak
Reply #42011-10-20
An external mechanical seal can be used; try Mo’s ring for the neck portion. The moving ring is made of PTFE.
Reply #52011-10-21
Use a good packing, such as AIG’s specialized packing, or replace it with a double-end mechanical seal.
Reply #62011-10-21
It is recommended to use a mechanical seal along with Plan32 flushing to prevent crystallization on the sealing surface
Reply #72011-10-21
Filler seals are designed to allow some leakage; if there are particles present, even a WB2 mechanical seal will not work. Our company has specialized C3 seals capable of handling particles, and they can operate for less than 20 minutes without any issues

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