combined valve meaning in English

复合阀
联合汽阀

Gas solenoid valve - combined valve vq465 480 series
燃气电磁阀-组合阀vq465 480系列
Gas solenoid valve - combined valve vr400 series
燃气电磁阀-组合阀vr400系列
Gas solenoid valve - combined valve vq400 series
燃气电磁阀-组合阀vq400系列
It is mainly used as cut - off valve and also can be designed as regulating or cut - off / regulating combined valve . currently , butterfly is mainly used in the low pressure large size pipelines
在蝶阀阀体圆柱形通道内，圆盘形蝶板绕着轴线旋转，旋转角度为0 ~ 90之间，旋转到90时，阀门则牌全开状态。