... 0m3/h Products overview:Smooth operation: absolute concentricity of pump shaft and excellent static and dynamic balance of impeller ... leakage.Low noise:low noise, two of the bearing support pump, smooth operation, except slight sound, basic noiseless motor. ... left, right, can be in three directions upward, pipeline layout and installation, save a space. Stainless Steel Self-priming Centrifugal Pump ...