SZ Self-priming fiberglass chemical transfer pump Pump material (fiberglass plastic) SZ horizontal fiberglass reinforced plastic self-priming pump is made of polyvinyl butanal modified phenolic glass fiber, by high temperature molding phenolic glass fiber reinforced plastic products. Mechanical seal
Sewage submersible pump QW submersible sewage pump is made of cast iron or stainless steel. The pump is equipped with wide flow channel impeller (single flow channel or double flow channel) and volute case to convey the wastewater/sewage with big solid particle or long fiber etc. impurity. Structure