wq(ii)系列小型潜水排污泵2009.doc

WQ( ) SERIES MINIATURE SUBMERSIBLE SEWAGE PUMP Inosculating innovative technologies, interpreting the art of fluid! CONTENTS 1 Outline 1 Characteristic 1 Purpose 1 Model meaning 2 Conditions of use 2 Rotating direction 2 Structures description WQ( ) 4 Structure drawing WQ( ) 5 Performance WQ( ) 6 Installation method WQ( ) 7 Installation dimension table WQ( ) 8 Auto-coupled installation dimensionstable 10 Use, check andservice 12 Failures causes andtroubleshooting WQ (II) series miniature submersible sewage pump below 7.5kW WQ( ) 7.5KW latest made in this Co. is meticulously designed and WQ developed by way of screening among the domestic same WQ series products, improving and overcoming the deficiencies and the impeller used therein is a single (double) runner im- peller and, due to its unique structural design, can be used more reliably and safely. The products of the complete series are reasonable in the spectrum and easy to select the model and use an electric control cabinet special for submersible sewage pumps for safety protection and automatic control. 1. Unique single- and double-runne r impeller leaves stable 1 running, a good flow-passing capacity and safety without block-up. 2 2. Both pump and motor are coaxial and directly driven. As an electromechanically integrated product, it is compact in structure, stable in performance and low in noise, more 3 portable and applicable. 3. Two ways of the single end-face mechanical seal special for submersible pumps makes the shaft seal more reliable and 4 the duration longer. 4. Inside of the motor there are oil and water probes etc. mul- tiple protectors, offering the motor with a safer movement. Applicable for the municipal works, industrial buildings, hotels, hospitals, mines etc. trades to pump the sewage, wastewater, rainwater and cities living water containing solid grains and various long fibers. 50 WQ ( ) 15 - 8 - 0.75 (kW) Power of fitted motor(kW) (m) Head(m) 3 3 (m /h) Capacity(m /h) Second generation s