Jiangsu whirlpool pump, Changzhou whirlpool fan products manufacturers in Shenzhen (wide voltage National General) main advantage of the brand high pressure blower features: blowing smoke dual function: There is an air outlet and a suction outlet High quality: original German production line manufacture, possession of up to 2500m3 / h, and 780mbar differential pressure Easy installation: aluminum alloy material, light weight, small volume, easy to install and use low vibration: vibration mounting feet, after the computer high-precision test and inspection, to achieve extremely low vibration performance: Motor insulation class reach F, IP55 protection level security Jiangsu whirlpool pump best quality service: 1, 2 month free trial machine, not satisfied can return within one month three, delivery, for your peace of mind and effort 4, within four months any product quality problems unconditional return 5, the warranty period is one year and six months, lifetime maintenance; Changzhou whirlpool fan pressure and the use of attention from dust protection in two ways: 1, pressure: often use the pressure relief valve, which is an unloading valve, when the use of high pressure air pressure exceeds the set pressure relief valve, the pressure relief valve opens automatically to relieve excess pressure, thereby protecting the high-pressure turbine. 2, dust: the filter frequently used, depending on the use of the site, tend to use different filtration of filter cartridges, filter type and maintenance methods have different life.