相关型号:BJ41H,BJ41W,BJ41Y,BJ41H-16C,BJ41W-16C,BJ41Y-16C等
碳钢保温截止阀主要性能规范 Chief Property And Specification
碳钢保温截止阀主要零件材料 Material for main parts
碳钢保温截止阀主要外形尺寸和连接尺寸(mm) Main external and connecting dinensions(mm)
2.5
4.0