在实际应用中选择适当的热塑性塑料阀门材质时应该考虑工作温度。
Service temperature should be considered in selection of the proper thermoplastic valve material for the application.
阀门材质有：不锈钢(304、316、304l、316l)、铸钢、铸铁、锻钢等。
Valve materials: stainless steel 304, 316, (304l, 316l), steel, cast iron, forged steel, etc.
气流调节阀：气流调节扭与挡风板均为高密度PP材质，用304不锈钢方棒连接，手动调节外部阀门旋钮，控制气流量。
Damper: both gas flow regulating button and wind board are high grade PP material, connected with 304 stainless steel bar, manually adjust the outside valve knob, control air flow.
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