To warm the design and construction of the heating tube-intensive area spacing is less than 100mm, the external should be flexible sleeve Will the role of flexible casing is what Thank you
. you can choose a lot of insulation materials! There are many plates! Polystyrene board, cement foam board, rock wool, composite board! . curvature is not the case, you can use the scene of the foam coagulation chicken paternity tan wine lay the end of the set of soil! The cost is relatively low, the insulation effect is also good! . this depends on your comprehensive consideration! Cost and insulation effect you choose it!
Mainly the evaporator is dirty or the filter is dirty
Cast iron is the most original design, in fact, a little bit, especially in the conversion, only the cast iron can withstand high-intensity turbocharged! The famous 4G63 is cast iron, 4 cylinder 2.0 is easy on the 500 horsepower! Aluminum alloy body flash effect is good, the body weight will become low, can reduce the weight of the vehicle installation. But the aluminum alloy is very good this feature will make the re-manufacture of the body when the body to bring the process of casting technical problems. Cast iron Del flash performance is not as good as aluminum, the same volume of body weight is also larger, but the cast iron casting body is relatively low degree of difficulty. So it is good. But because of the heavy, the current trend is aluminum!
