本公司生產的系列雙密封套筒調節閥，采用套筒導向，壓力 平衡式閥芯。該系列的調節閥是套筒雙密封結構主要應用于泄漏 要求不高的場合，因為是雙密封結構兩個密封面都是金屬密封， 因此使用的溫度范圍更寬一些。

The Company produces a series of double-sealed sleeve control valve， for which sleeve-guided and pressure-balanced plugs are adopted.The control valve of this series is a double-sealed sleeve structure， which is mainly used in occasions with low leakage requirements.Because both sealing surfaces of the double seal structure are metal seals， the temperature range for use is wider.