本文研究了疏水系统故障产生的原因，并介绍了疏水系统的改进方案和疏水调节阀的改造方法。
The paper studies the causes for fault occurrence of drainage system and introduces the improvement scheme of drainage system and retrofitting method of drain regulating valves.
目前工厂生产的主导产品有：波纹管密封截止阀、自由浮球疏水阀、先导式减压阀、气动调节阀、自作用式温控阀、汽水分离器等。
The chief products include: Bellows seal globe valve, Free-float steam trap, Pilot pressure reducing valve, Pneumatic control valve, Self-acting temperature-sensing valve, Cyclone separator etc.
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