When choosing a P E pipe extrusion screen changer , the first thing we need to pay attention to is the type of screen changer. There are various types of screen changers in the market, such as manual screen changers, hydraulic screen changers, pneumatic screen changers, etc. The choice of type of screen changer mainly depends on factors such as production scale, production speed, and screen switching frequency. For example, for large-scale and high-speed production lines, hydraulic or pneumatic