工艺：法兰式加热管是由加热管与法兰焊接固定而成。

   用途：用水、油、气体、在密封体内加热。

   特点：加热范围集中，热效率高。

Technology: flange type of heating is heating pipe and welding flanges from fixed.
Uses: water, oil, gas and sealed in heating.
Features: heating of the concentrated, high thermal efficiency

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