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)