本公司生産的系列雙密封套筒調節閥，采(cǎi)用套筒導(dǎo)向，壓力 平衡式閥芯。該系列的調節閥是套筒雙密(mì)封結構主要應用于洩漏 要求(qiú)不高的場合，因為是(shì)雙密封結構兩個密封面都是金屬(shǔ)密封(fēng)， 因此使用的溫度範圍更寬一些。

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.