The present invention relates to a mechanical seal used for sealing fluids of various rotating apparatuses, even if both contact surfaces of the seal are inclined due to the precision, assembly state, vibration during operation, water hammering action, etc. It is designed to make perfect contact even when the contact surface is inclined. In other words, if the contact surface [Fig. 2 114] is inclined and the rotating face is inclined as described above, the rotating face [Fig. 2 103] is inclined, and the drive pin [Fig. 2 106] assembled to the compression ring [Fig. It is pushed in the inclined direction and compresses the spring [FIG. 2 109] seated on the collar [FIG. 2 107]. The opposite direction in which the contact surface is inclined makes the contact complete while the spring is tensioned. This is to prevent the break of the face (Face).
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