Product Name: Variable Frequency Constant Pressure Water Supply Multi Booster Pump System Model NO.: B603S, B603BS Theory: Centrifugal Pump Performance: Explosion-Proof,Wear,No Leakage,Sanitary,Automatic Media: Sewage Pump,Sea Water Pump, Mud Pump Industry: All Application: Submersible Pump, Clarified Water Pump, Sewage Pump, Oil Transfer Pump Type: Blade Pump Start Up: Electric Pump Power: Electric Assembly: Booster Pump Structure: Multistage Pump Material: Stainless Steel Characteristics: Constant Pressure Water Supply,Power-on Restart Control Method: Constant Pressure Control Built-in: PLC Inside,No Need Add Contactor,Switch... Power Range: 0.75~350kw Trademark: BEDFORD Transport Package: Wooden Case Origin: Guangzhou, China Product Description Booster Pump SystemB603S complete set intelligent constant pressure water supply equipment(3 pumps, maxmum can be 7 pumps)Characteristics:. Smooth, quiet operation. Choice of pressure settings. Built-in pumping system protectionWith a constant pressure system, you don't have to schedule your day around your water usage. BEDFORD constant pressure controllers vastly improve your home water system. Using variable speed technology, BEDFORD continuously monitor water demand and adjust the speed of your pump to provide the water you need without pressure fluctuations. Available in a wide variety of ratings, these systems also provide:. Vertical Pump Constant Pressure Variable Water Supply EquipmentPower range:Single phase 220V: 0.37kw~7.5kwThree phase 220V: 0.75kw~7.5kwThree phase 380V: 0.75kw~7.5kwFour sensors are selectable:. Pressure transmitter 4~20mA. Transmissible pressure gauge. Electric contact pressure gauge. Pressure switchApplications:Industiral and agricultural production, high and low-rise residences, villas, schools, hospitals, large community-based, air-source heat pump hot and cold water systems, water treatment, water supply systems, such as energy-efficient building on various occasions