How to adjust if the principle and advantages of high-performance pneumatic butterfly valve cannot be closed properly? 3. Nylon material is acid and alkali resistant and UV resistant, and has passed strict aging test, with excellent quality
4. Spherical cast iron body is hot-dip galvanized with good weather resistance
5. Special structural design, height can be adjusted according to actual needs
6. Light and firm appearance, easy installation, suitable for various mechanical internal valve devices
Shanghai Dongfeng Pneumatic Butterfly Valve
