Second, the system is matched with the valve positioner and uses intelligent control to position. The input signal is 4-20mADC signal, and the air valve can be operated through 0.4~0.7MPa air supply. Pneumatic high pressure ball valve can adjust parameters such as liquid and temperature. 　　　　

Nowadays, many devices are basically purchased in a special way, that is, by ordering at this time. If we do not see the product when ordering such devices, you must repeatedly confirm some of the information, and really determine that these are your own needs, Then you can buy the perfect equipment. When ordering pneumatic butterfly valves, you know what different information you need to confirm repeatedly. It is good for you to have a good understanding of the relevant information in advance, so that you can successfully complete your order in the future.