Tsurumi’s small dewatering pump, the LB series, is designed for applications where space is tight, notably building. Secured by rope or chain, an LB can be utilized in purposes which involve narrow pipes, small tanks, deep pits and in remote places which are difficult to achieve with larger tools. The LB model has a totally symmetrical design with no protruding parts, permitting it to be lowered to unknown depths with none threat of snagging. With a diameter of only 187 mm, the pump’s round cross-section even fits into smaller filter pipes. There can also be pressure gauge ราคา ถูก with a water degree sensor which is only a few millimetres longer. The pump then controls itself mechanically, switching on or off depending on the water level. The LB presses water with dust particles up to 6 mm in measurement via the housing, permitting optimal cooling of the motor. The models within the collection pump 225–440 l/minute and to a most of 17.5 m. The smallest mannequin weighs round 10 kg dry, the largest round 30 kg.