Tsurumi’s small dewatering pump, the LB series, is designed for purposes where house is tight, particularly development. Secured by rope or chain, an LB can be used in functions which involve slim pipes, small tanks, deep pits and in distant areas which may be tough to reach with larger tools. The LB mannequin has a totally symmetrical design with no protruding components, permitting it to be lowered to unknown depths without any threat of snagging. With a diameter of only 187 mm, the pump’s round cross-section even matches into smaller filter pipes. There can additionally be a model with a water stage sensor which is just some millimetres longer. เครื่องมือที่ใช้วัดความดัน controls itself routinely, switching on or off depending on the water stage. The LB presses water with dirt particles up to 6 mm in size via the housing, allowing optimal cooling of the motor. The fashions within the sequence pump 225–440 l/minute and to a maximum of 17.5 m. The smallest model weighs around 10 kg dry, the biggest around 30 kg.