SYI can supply the Flanged Pipe with Cast-on or Screwed-on or Weld-on Flange PN10, PN16, PN25 or PN40 drilling in accordance with ISO 7005-2/EN1092-2, from DN80 to DN2000, with the coating of Metallic Zinc (130-400g/m2), Black Bitumen coating, Red/Blue Epoxy coating, Cement lining or PU (polyurethane) coating.
Thickness of cement lining
DN | Nominal value | Tolerance 1) | Maximum crack width and radial displacement |
80-300 | 4 | -1.5 | 0.4 |
350-600 | 5 | -2 | 0.5 |
700-1200 | 6 | -2.5 | 0.6 |
1400-2000 | 9 | -3 | 0.8 |
1)A negative tolerance only is given.
Note: Pipe end may have a chamfer of maximum length 50 mm. |