How to choose rubber pneumatic butterfly valve?
What aspects should we pay attention to when purchasing rubber pneumatic butterfly valves? First of all, fully understand the performance characteristics of pneumatic butterfly valve, and choose according to the different application environment. Rubber is very flexible and light. It is better to use rubber shock absorption products, such as high-speed rotating rotors, to avoid imbalance in the environment where weight needs attention.
The damping spring pneumatic butterfly valve itself has incomparable sealing performance, and no matter how tight it is, it is only elastic deformation, and its own volume has almost no change. Assuming that in the hydraulic environment, it is necessary to not only play a role in vibration reduction, but also seal to prevent the liquid from overflowing, such a place must be the only one, and there is no better choice. Rubber is also corrosion resistant. Assuming that in some severe corrosive environments, such as the consumer workshops of many chemical plants, it is better to use rubber shock absorbers if the central demand for shock absorbers.
Due to the characteristics of the product itself, rubber shock absorption products are not suitable for many places. The rubber will become brittle at minus 30 degrees and lose its own elastic deformation. At this time, it will not play a role in vibration reduction. Therefore, rubber vibration reduction products cannot be used in too cold environment. In addition, rubber can not withstand high temperatures. Just exceed 75 degrees Celsius, its internal structure will change, and its elasticity will disappear intact. Of course, it will no longer have any vibration damping function. If the temperature continues to rise, it may be extinguished. When purchasing pneumatic butterfly valves, it is necessary to tailor them to suit your needs and select appropriate pneumatic butterfly valves.

3、 Strictly control the quality of warehousing raw materials
To avoid the deterioration of raw materials in storage is the continuation of the process of raw material purchase. The key to Tongfeng pneumatic butterfly valve is to do the following disposal work.
1. Disposal of warehousing raw materials. The inventory of raw materials, especially Class A raw materials, should be checked frequently to achieve the "ten no's", that is, no damp, no rot, no rust, no mildew, no rot, no change, no damage, no freeze, no damage, no moth.
2. Disposal of warehouse environment. The shelves and articles in the warehouse should be placed reasonably, the corridor should be clear, the doors and windows should be free of damage, and the "three cleans" (on the ground, doors and windows, shelves) should be achieved, without sundries, waste, and dust.
3. Stacking and confession of raw materials in the warehouse. Stacking and confession are also a major aspect to ensure the quality of raw materials in the warehouse. It is necessary to stop reasonable stacking and confession of raw materials in stock according to their functions and storage requirements. Special consideration shall be given to the functions of Class A raw materials, packaging quality and the ground conditions of the warehouse, and proper stacking methods shall be adopted to reach the flood control and moisture-proof purpose.
4. View of raw materials. When raw materials enter the warehouse, they shall be inspected and stacked together, and the maintenance operation shall be stopped according to the classification of raw materials and maintenance needs, that is, regular or frequent inspection shall be stopped to eliminate and deal with hidden dangers in a timely manner.
5. Warehouse out disposal of raw materials. The principle of "first in, first out" should be followed, especially for the raw materials that are difficult to view due to the long storage period and large cargo piles. Such raw materials should be delivered in a timely manner. At the same time, standardize the actions of the warehousing process to avoid harm to the quality of raw materials caused by the handling process.