... Product Overview GDL type multi-stage pipeline centrifugal pump is the latest type, with significant energy saving, small footprint, easy installation, stable ... GDLS-type, import and export can be different relative position (0 °, 90 °, 180 °) to install, extremely easy to use. In order ... unit will be split structure type, which in addition has a GDL, GDLS all the advantages, the more you replace the ...