Lepu Seal mechanical seal China supplier provides best cartridge seal. Cartridge seals are selfconantainered units consisting of a shaft sleeve, seal, and gland plate. The unit is fitted onto the pump shaft as a built assembly, and no further fitting is required.Cartridge mechanical seals are an attempt to over-come the fitting problems of conventional seals.

They are supplied in single and double form, and the gland plate is often fitted with various tappings to provide for flushing, cooling water injection, and disaster control.lepu seal is one professional manufacturer focus on mechanical seal since 1998, manufacturing all kinds of cartridge seal for chian and oversea users, and get very nice reputation for offering best cartridge seal solution.