Description

1. Good Performance on NPSH:The good NPSH performance of WN type pump ensures the strong suction ability as well as deeper dredging depth and denser dredging concentration. 2. Good Wear-resistant Performance, Long Service Time of Wet Parts:Wet parts of this kind of dredging pump-impeller, liner and front & back liner plate are adapted anti-wear cast iron alloy whose hardness is more than *8HRC, who has both strong anti-attack feature and higher resistance wear and resistance abrasion features. 3. Reliable Shaft Sealing Without Leakage: The shaft of ******0WS dredging pump uses the mechanical sealing or stuffing sealing or mechanical-stuffing compound ***** shaft of *******0 WSG dredging pump adopts spiral sleeve L (shape) rubber sealing device that consists of three L sealing ring and one special thread shaft sleeve.