04FS02 rigid airtight protective sleeve on both sides

04FS02 rigid airtight protective sleeve on both sides 04FS02 rigid airtight protective sleeve on both sides, both sides of the rigid airtight protective sleeve, rigid sealed casing Shandong coal Welcome - Li Li Mobile: 13475756709 04FS02 rigid airtight protective sleeve on both sides of the serial number Name Number of material 1 steel casing 1 Q235-A 2 wing ring 1 Q235-A 3 ring 3 Q235-A 4 Fixed flange 2 Q235-A 5 bezel 2 Q235-A 6 airtight neoprene collar 2 Description: 1. through a tube at the concrete wall thickness of not less than 200, or one or both should make the walls thicker. At least the diameter of the thickened portion D4 + 200. 2. welded steel pipe and galvanized ring after treatment, and then execute the casing installation. Full implementation of the purposes of the bezel after installation and mounting flange welding. 3. welder using SMAW welding Model E4303 4. size of the figure in the table below 04FS02 rigid sealed casing size table DN D1 D1 D1 D1 dbk 50 60 80 114 225 3.5 10 4 65 75.5 95 121 230 3.75 10 4 80 89 110 140 250 4,104,100,108,130,159,270 4.5 10 5 1,251,331,551,802,906,106 1,501,591,802,193,306,106 2,002,192,402,733,856,128 Shandong coal professional manufacturer of mining equipment, "Quality of survival, to the credibility of development" is our consistent aim, welcome to inquire Contact: Li Li Phone: 0537-2350712 Mobile: 13475756709 QQ: 2218835776