A mechanical seal sealing apparatus, a construction and practice method of a mechanical seal, a construction and practice system, and a mechanical seal

摘要

The present invention supports the construction practice of the mechanical seal, thereby improving the construction skill. A sealing ring 8 having a rotatable shaft portion 4 and a first sliding surface portion 14-1 fixed to the shaft portion; a first casing portion (stuffing box 10-1) surrounding the seal ring; And a second sliding surface portion (14-2) which is in contact with the first sliding surface portion of the sealing ring and is mounted on the shaft portion, and a second casing portion The seat ring is fixed to the space portion (seat ring mounting portion 132) of the second casing portion incorporated in the first casing portion and the seat ring is fixed to the first sliding surface portion, The sliding surface portion abuts against the first sliding surface portion and the second sliding surface portion by the rotation of the shaft portion by manual operation during the practice of the construction.