WJ41H-16-DN15,WJ41H-16-DN20,WJ41H-16-DN25,WJ41H-16-DN32,WJ41H-16-DN40,德标波纹管截止阀
25#


12
油杯oil cup
黄铜brass


13
六角螺母hexagon nut
ASTMA193 2H、A193-8、A193-8M


14
双头螺栓bolt
ASTMA193 B7、A193-B8、A193-B8M


15
垫片gasket
柔性石墨+不锈钢
flexible graphite+stainless steel、PTFE


16
阀杆

01/21 18:48