Sales Miss Europe: 159-7414-3465 Online Q: 1922601218 (pro, water supply equipment online consultation free shipping ohhh) National Hotline: 400-086-8955 ★ box no negative pressure water equipment principle using frequency control each operating conditions of the pump, which has high power factor, constant torque performance (base frequency) program speed, upper and lower speed control, forward and reverse control, automatic stepless speed and motor short circuit, overload, overvoltage undervoltage protection. Motor current, motor operating frequency are displayed, and the output signal 4 ~ 20ma standard, easy, and computer networking. ★ box no negative pressure water equipment Features box no negative pressure water equipment to replace high water tank, water towers, pressure is relatively stable to avoid frequent pump startup, high efficiency, low noise. Box no negative pressure water equipment products using cad design center, three-dimensional simulation of manufacturing design system for new product development and design, and optimize the product structure. ★ box no negative pressure water equipment range of applications: 1, the new residential area, villas, offices, building domestic water supply. 2, high-rise buildings, fire water, hotels, restaurants and other water life. Water supply system transformation 3, pressure water, ground pool pressure tradition. 4, a variety of boiler cold water supply systems, boiler water. 5, in the middle of the water plant booster pump station, the second pressurized water. 6, various industrial and mining production, domestic water pipe network regulator. 7, various types of recycled water, cooling water supply system. 8, the water pressure can not meet the requirements of life, fire pressurized water. Technical Data Flow q ★ box no negative pressure water equipment: 1.1-1345m3 / h maximum water pressure p: 2.5mpa Equipment Volume: 0.11-8.64m3 control: Frequency or other sales Miss Europe: 159-7414-3465 Online Q : 1922601218 (pro, water supply equipment online consultation free shipping ohhh) National Hotline: 400-086-8955 Address: Changsha Hanson Water Equipment Co., Ltd. Address: Industrial Park, Changsha Hanson long Shali Tuo water, so you have no worries with water !