Mechanical seal seal ring hot mounting applicable scope & graphite ring hot setting

1.Scope of application
This guide is applicable to rotary faces & stationary seats of inlaid mechanical seal and non-standard mechanical seals that require hot inlaying whose assembly interference is greater than or equal to H7/v6, （such as H7/v6, H7/x6, H7 /y6, H7/z6) .

2.Preparation for hot mounting
Prepare component drawings of the mechanical seal, related parts drawings and hot-fitted parts drawings according to production requirements.
Visually inspect the mounting area to ensure there is no damage and clean the said part. Dry and set aside.

3.The sealing rings of the mechanical seals are graphite：
Heating temperature of the ring seat of the mechanical seal is generally controlled within the range of 250℃~300℃.
Control of ring seat heating degree：
Diameter D≦250mm, the heating degree should be that the setting ring just enters the ring seat.
Diameter D>250mm, heat to 300℃ for about 30 minutes, put the ring into the ring seat of the mechanical seal and pressurize it immediately to make the ring and the supporting surface of the ring seat evenly contact.

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