Shaft seal is a device in machines that prevents the passage of fluids along a rotating shaft.
Commonly used pump shaft seal type has packing seal, mechanical seal and dynamic seal. Reciprocating pump shaft seal is usually packing seal. When delivery is not allowed to leak medium, can be a diaphragm type reciprocating pump. The main shaft seal of rotary pump (including vane pump, rotor pump, etc.) includes packing seal, mechanical seal, and dynamic seal.
Richest offers a comprehensive range of metal bellow mechanical shaft seals for most pump and agitator applications, single seal and balanced, replacement of John crane seal, for worldwide customers’choice from its China based manufacturer.