water tube steam boiler Ideal for Hotel,Laundry,Perfume Machine,Garment,Applications,etc. Steam Capacity:30-500kg/h Water ... greatly, reducing the heat loss when preheating boiler at the time of startup and shutdown and ... circle, be able to endure different temperature.3. Water level, steam pressure etc. many chain protection ways ... and excellent, covering small installing area. Water Tube Steam Boiler