Ductwork is very important in delivering compressed air to its intended end use, and it's not just about system design, the material of the ductwork can also affect overall energy efficiency. Iron, copper and aluminum are common compressed air piping materials, but the performance of these materials can vary widely. The cost of black iron pipes and copper pipes is low. But black iron pipes are...

　　Microcomputer PLC program control is adopted, with three control methods: constant voltage (automatic), timing (automatic), and manual. Constant pressure control: according to the set pressure difference control, dust collector pressure difference exceeds the set value, each room will automatically clean the dust again. Timing control: according to the set time, every other cleaning cycle,...