Maintenance and commissioning of pneumatic butterfly valve
1. The inspection and maintenance plan of the cylinder is to clean the cylinder surface and add oil to the cylinder shaft circlip at ordinary times, and open the cylinder end cover regularly every 6 months to check whether there are sundries and moisture in the cylinder and whether the lubricating grease is in good condition. If the grease is insufficient or dry, the cylinder shall be disassembled for comprehensive maintenance and cleaning before adding grease.
2. Valve body inspection Every six months, check whether the valve body appearance is good, whether the installation flange has leakage, if it is convenient to check whether the valve body seal is good, whether there is wear, whether the valve plate operates flexibly, and whether the valve has foreign matters stuck.

Pneumatic flange butterfly valve, pneumatic flange butterfly valve This product is composed of rubber sealed butterfly valve, carbon steel or stainless steel valve plate, and valve stem. It is suitable for water supply and drainage and gas pipelines with temperature ≤ 80~120 ℃, such as food, chemical industry, petroleum, electric power, textile, paper making, etc.