convergingthree-wayvalve 三通合流阀

one-wayvalve 单向阀

three-wayvalve 三通阀

two-wayvalve 双通阀 ; 两通阀

four-wayvalve 四通阀

six-wayvalve 六通阀

one-wayvalve e 单向阀

cone-wayvalve 单向阀

clear-wayvalve 安全阀