法兰内孔管件内孔必须倒角焊接。
法兰部件，消声器，管端闭锁或联结装置及其形成方法和装置。
Flange member, noice silencer, tube end closure or connection device, and forming method and device.
主营产品：钢管，无缝钢管，弯头，法兰，三通，管帽，大小头，管件。
Porduct: steel pipe, elbow, flange, tee, reducer, pipe cap, pipe fitting.
我们常用弯头（弯管、法兰、三通、大小关）作为一种管件。
We usually use elbow( bend, flange, tee, reducer) as a kind of pipe fitting.
我们常用弯头（弯管、法兰、三通、大小关）作为一种管件。
We usually use elbow( bend, flange, tee, reducer) as a kind of pipe fitting.
应用推荐