sewage pump mechanical seals china:waste water pump mechanical seals
a special design for this mechanical seal with a clasp and o-ring are required and silicon carbide vs silicon carbide are working as the seal face and the mating ring
Multiple springs resist unwinding from centrifugal force than a single coil spring with the forces working differently.But the small cross section wire.of the small springs causes the smaller springs not to resist corrosion and to be clogged