Tapping provided in low pressure side of body to permit convenient , economical attachment of equalizer line 在阀体的低压一侧,允许方便、经济地附加平衡管。
This tapping gives you a convenient , economical means of attaching the equalizer line , facilitating installation and eliminating fittings 这个开孔给予用户方便、经济的方法附加平衡管,简化安装,避免使用连接件。