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1. Proper Handling: Pneumatic butterfly valves should be handled with care during transportation to avoid any damages that can cause leakage or malfunction. It is essential to handle the valves carefully, especially during loading and unloading, to prevent any mishandling.

2. Correct Storage: During transportation, the pneumatic butterfly valves should be stored correctly in a way that they can be easily identified and transported to the installation site. It is highly recommended to keep the valves in a dry and clean place to avoid any corrosion.

3. Inspection of Valves: Before installation, it is essential to inspect the valves thoroughly to ensure that there is no visible damage or leakage. Inspection of the valve seats, disc, and the stem is crucial to avoiding any malfunction during operation.

4. Proper Alignment: During installation, it is crucial to align the pneumatic butterfly valves correctly. The valve should be installed with the correct orientation, and the disc should parallel the pipe walls. Correct alignment ensures that the valve operates smoothly and efficiently.

5. Proper Torquing: Torquing the bolts is also essential during installation. It is necessary to follow the manufacturer's recommendations for the proper torquing to ensure that the valve is correctly seated and there is no leakage.

6. Adequate Clearance: Adequate clearance is a must during the installation of the pneumatic butterfly valves. It ensures that the valves can be easily operated without interfering with other structures.

7. Appropriate Valve Operation and Testing: After installation, it is essential to conduct proper operation and testing of the valve. This involves checking for any leaks, ensuring the valve seats are correct, and operating the valve under different conditions to ensure that it meets the required specifications.