應用
用于輸送風力發電機冷卻系統的乙二醇水溶液，工作溫度介于-40℃~+121℃。
也可用于輸送空氣、水。
外觀
外表黑色，有光面(303A、303B)或布紋(303AW、303BW)。
Application
Suitable to delivery of coolant consisting of glycol aqueous solutions in wind-driven generator cooling system. The allowed operating temperature ranges between -40℃~+121℃.It can also be used for conveying air and water.
Appearance Standards
Visually black with polish （303A,303B） or wove patterm（303AW,303BW）.
結構特性
膠管由內膠層，增強層，耐天候外膠層組成。
303A型膠管采用纖維線編織增強。
303B型膠管采用鋼絲編織增強。
Structural Characteristics
The rubber hose consists of inner layer, reinforced layer, and weather resistant outer layer.
Rubber hose 303A is reinforced by braided polyester wires.
Rubber hose 303B is reinforced by braided steel wires.
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