The production and production process of welding elbow bends is described by Shijiazhuang Bangdong pipeline technology co ltd . as follows: The welding elbow is made of steel plate as the raw...
Difference between steel pipes: Bangdong 16Mn seamless steel pipe and Bangdong 45 # seamless steel pipe It is different in two materials, different yield strength, 16Mn carbon equivalence of both...
Butterfly flange butterfly valve installed in the pipe diameter direction. In the butterfly valve body cylindrical channel, the disc-shaped disc rotates about the axis, the rotation angle is between...
Concentric reducer and eccentric reducer is what are the differences and similarities? Online explained: "the pipe gas phase medium will produce liquid; the liquid medium can produce gas, concentric...
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