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DN80-DN2000 ISO2531 Standard Centrifugal Cast Flanged Ductile Iron Pipe Tube1
Building Hardware, Construction Pipe Tube, Flange Pipe, Iron Pipe Pricing
SYI Industrial Co., Ltd.
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Product Description Ductile Iron Flanged Pipe with Cast-on or Screwed-on or Weld-on Flange ISO 2531 EN 545 EN598DescriptionSYI 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.Mechanical propertiesNominalSizeDNMinimum tensilestrength, RmMpaMinimum 0.2%proof stress, Rp0.2MpaMinimum elongationafter fracture,A%HardnessHB80-1000≥420≥300≥10≤2301100-2600≥7Note:1. By agreement between manufacture and purchaser, the 0.2% proof stress (Rp0.2) may be measured.It shall be not less than:· 270 MPa when A≥12% for DN 40 to DN 1000 or A≥10% for DN >1000;· 300 MPa in other cases.2. DN 40 to DN 1000, the minimum elongation after fracture shall be 7% for thickness classes over K12.Works test pressureNominal SizeDNHydrostatic works test pressurebar80-30050350-60040700-1000321200-2000252200-260018Thickness of cement liningDNNominal valueTolerance 1)Maximum crack width and radial displacement80-3004-1.50.4350-6005-20.5700-12006-2.50.61400-20009-30.81)A negative tolerance only is given.Note: Pipe end may have a chamfer of maximum length 50 mm.Metallic zinc coatingWhen metallic zinc spray is applied, the mean mass of the zinc per unit area shall be not less than 130g/m2 , with a local minimum of 110 g/m2. The mass of the zinc according to customer's request is also available.Bitumen coatingThe mean thickness of bitumen coating shall be not less than 70 μm and local minimum thickness shall benot less than 50 μm. The thickness of bitumen coating according to the customer's request is also available.Alternative coatinga) External coatings:- Metallic zinc with finishing layer, in accordance with ISO 8179-1;- Zinc rich paint with finishing layer, in accordance with ISO 8179-2;- Epoxy coating, in accordance with EN 14901;- Polyethylene sleeve, in accordance with ISO 8180;- Alloy of zinc and aluminum with or without other metals, having a minimum mass of 400 g/m2, with finishing layer;- Extruded polyethylene coating in accordance with EN 14628;- Polyurethane coating in accordance with EN 15189;- Cement mortar coating in accordance with EN 15542;- Adhesive tape;b) Internal coating (linings):- Portland/Blast furnace slag/Sulphate/ High Aluminum Cement Mortar, in accordance with ISO 4179;- Cement mortar lining with seal coat, in accordance with ISO 16132;- Epoxy coating, in accordance with EN 14901;- Polyurethane lining in accordance with EN 15655;c) Coating of the joint area:- Epoxy coating;- Polyurethane coating.Government AuditsCompany
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