The sealair fans deliver a design pressure that is above the operating pressure in the flue work.
密封风机能使空气达到设定的压力，此压力应高于烟气在烟道中的运行压力。
2
All sootblowers shall be provided with a positive pressure, sealing air system to wall boxes and poppet valves. This air shall be obtained from the seal air fan system.
所有的吹灰器都应配有正压、密封空气系统至壁箱和圆盘阀。该处空气来自密封空气风机系统。
3
Usage: suitable for air tight seal welding with pressure protection of microwave device, sensor, filter and components that used on spaceflight and guided missile that have high requirement.