The method is also suitable for fire -regulating damper and smoke -discharging damper.
该法也适用于防火调节阀和排烟阀的性能试验。
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.
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。
The invention relates to a damper. The inner part of the damper is provided with a cavity like a piston cavity. A damper hole length regulating component is arranged in the cavity.
本发明涉及一种阻尼器，在阻尼器内部加工出一个类似活塞腔的腔体，里面加装有一个阻尼孔长度调节构件。
The invention relates to a damper. The inner part of the damper is provided with a cavity like a piston cavity. A damper hole length regulating component is arranged in the cavity.
本发明涉及一种阻尼器，在阻尼器内部加工出一个类似活塞腔的腔体，里面加装有一个阻尼孔长度调节构件。
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