How to Reduce the Machining Error of the Hard Seal Butterfly Seat?

Jun. 10, 2021

Generally, in the daily processing of hard-sealed butterfly valves, processing errors are unavoidable, and what we have to do is to minimize the processing errors in this process to minimize the impact on the quality of the finished product. So, how to reduce errors during processing? There are many ways to achieve this. The following Industrial Valve Manufacturer will explain to you one by one.

Butterfly Valve

Butterfly Valve

1. In the process of production and processing, scientific processing technology and advanced processing equipment are used to reduce or eliminate errors generated during processing.

2. Transfer the machining error, that is, transfer the error to the direction and other parts that have little or no impact on the machining accuracy.

3. The errors in the processing can be evenly distributed to the entire processed surface, so as to ensure that the error in a certain part is too large.

4. A new error can be created artificially to offset the original error. For example, if the original error is negative, a new positive error can be created to offset it.

How to repair the damage of the rubber elastic body of the butterfly valve

As a component used to realize the on-off and flow control of the pipeline system, the butterfly valve has been widely used in many fields such as petroleum, chemical industry, metallurgy and hydropower. In the butterfly valve technology that has been publicly employed, its sealing form mostly adopts a sealing structure, and the sealing material is mainly rubber. The continuous use of the rubber elastomer in the butterfly valve will cause tearing, abrasion, aging, perforation and even falling off, which will greatly affect the sealing performance of the butterfly valve. The previous repair method is through the hot vulcanization process, but it is difficult to meet the needs of on-site repair , In addition, special equipment should be used when repairing, which consumes a lot of heat and electricity, which is time-consuming and labor-intensive. Nowadays, the method of polymer composite materials is gradually used to replace the traditional methods, and the repair effect is better.

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