What are single plate flanges, short tubes, flanges, short tubes, flanges, three connections, and flanged bends? What is the material? What is it?
4 、 flange bend: both ends of the bend have flanges.5, material: according to the needs of different materials, such as: cast iron, galvanized, stainless steel and so on
1, single plate flange short tube: that is short pipe at one end of the flange;2, flange short tube: that is, both ends of the short tube flange;3, flange three pass: three links at each end have flange
Flange GB9119 GB9116 HG20592 elbow GB12459 three pass GB12459