1.Two precision imported deep groove ball bearings support, stable rotation;
2. Mechanical seal design structure to reduce the influence of pressure changes on the sealing surface and prolong the service life;
3.The standard product uses a friction seal pair of silicon carbide and cermet for a long life;
4.Aluminum alloy housing and stainless steel shaft can be used in complex conditions for a long time;
5.The housing is provided with an observation hole to observe the leakage and friction;