screw-type suction hose coupling 螺纹式吸水管接口

double suction pump coupling 双吸泵联轴器

single suction pump coupling 单吸泵联轴器

top suction pump coupling 顶端吸入泵联轴器

suction booster pump coupling 吸入增压泵连轴器

bottom suction pump coupling 底吸泵联轴器

side suction pump coupling 侧吸

axial suction pump coupling 轴向吸入泵联轴器

suction box water pump coupling 吸水箱水泵连轴器