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stainless steel screw pump for sale QGD( 20 meter copper cable wire ) series stainless stell screw pumpNotice!As for this deep well pump,we have two type cable wire(copper cable wire and aluminum cable wire)for yourselection.Features of screw pump1. Good-looking appearance and all the fluid-passing components both of submerged pump and the submergerd motor are made of stainless steel.2. Low weight and convenient in movement and installation.3. High effenciency, save electricity.4. Provided non-return valve to avoid damage due to backflow of water at shut of pump or water hammer affecting the pump.5. The liquid inlet is fixed with a filter screen to prevent solid grain of a given size from entrance. More details of micro screw pumpdisplay of QGD screw submersible pumpApplication of screw pumps1 . For water supply from wells or reservoirs2. For dosmestic use, for civil and industrail applications3. For garden usage and irrigation why choose our screw pump?1. Beijing Olympic be