JZQ-8 铸铁(G1/4) JZQ-20 铸铁(G3/4) 给油指示/JZQ观油/油流显示/通油器
JZQ-10 铸铁(G3/8) JZQ-25 铸铁(G1)
JZQ-15 铸铁(G1/2) JZQ-32 铸铁(G11/4)
JZQ-40 铸铁(G11/2)