All mechanical seals usually consist of three basic components
A set of main sealing surfaces:one rotates and one remains stationary.
This set of secondary seals include PTFE or Graff wedges,o-rings,or v-rings.
Various hardware accessories,such as gland ring,ring ring,compression ring,pin,spring,retaining ring and bellows.
Generally,there are various types of mechanical seals.According to design and layout,mechanical seals are generally divided into the following categories.
Mechanical seals classified by design
