Pump touch with the liquid part is the fluorine plastics, but crust is metal stuff, so the pumpbody is enough to support the weight of pipepad and repel mechanically concussion.

• 泵接触液体部分是氟塑料,但泵外壳是金属材料,故泵体足以承受管道的重量及抵受机械性冲击。