OEM PTFE Spring Mechanical Seals

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Operating Limits:

● Temperature:-20℃ - +180℃

● Pressure：­­≤ 15bar

● Speed: ­≤ 15m/s

● Shaft size: ­25mm

Materials:

● Seal Rings: Resin Carbon, Antimony Carbon, SIC, SSIC, Tungsten Carbide

● Elastomer: PTFE

● Metal Part: SS304, SS316

Assembly Dwg:

*Related Introduction*

Reasonably design the balance device of the axial force to eliminate the axial displacement. In order to meet this requirement, for multi-stage centrifugal pumps, there are two ideal design schemes: one is the balance plate plus the axial thrust bearing, the balance plate balances the axial force, and the axial thrust bearing performs the pump shaft Axial limit; the other is the balance drum plus axial thrust bearing, the balance drum balances most of the axial force, the remaining axial force is borne by the thrust bearing, and the axial thrust bearing shafts the pump shaft To the limit. The key to the second scheme is to design the balance drum reasonably so that it can truly balance out most of the axial force. For other single-stage pumps, split pumps and other products, some measures should be taken in the design to ensure that the displacement of the pump shaft is within the range required by the mechanical seal.

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