Detailed Product Description All kinds of fan could be manufactured according to users requirement( such as impeuer and casing could be made of stainless steel) Power supply of kinds of fan : AC380V 50HZ/AC440V 60HZ CNF series marine or navy heating fan series marine or navy heating fan is mainly used for that when ship is mooring ,and the ambient temperature is close to 0,in order to ensure the cabin temperature of main auxiliary vice-unit to benefit for their rapid starting and preparing to sailing, so marine or navy heating fan is an essential important equipment of main and auxiliary engine room Impeller uses LF3 rust-proof aluminum; Hear rejection capacity: 5KW ~50KW . Axial fan ,explosion-proof axial fan Features: motor is installed in the casing. Casing has integral type and opening type. Aerofoil blade, flow coefficient and pressure is high, efficiency is high, noise is low and reversible; Air flow: 1200~180000m3/h; Total pressure: 160~980pa; Motor power: 0.25~55KW; Impeller outer diameter:200~1800mm ; Explosion-proof fan could be made into duct type and deck type. The highest explosion-proof class could reach ExdCT5. Centrifugal fan: explosion proof fan Feature: structure is compact, volume is small, weight is light, consumption power is small, noise is low, anti-corrosive function is high. The structure type of blade has forward and backward; Air flow: 400~29000m3/h Total pressure: 200~2030pa; Motor power: 0.37~18.5KW ; Explosion-proof fan could be made into direct coupling type and separate cabins type, the highest explosion-proof class could reach ExdCT5.