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Pvc Pba Defofo / Pvc-O Tube - Dn 150. Poly (Vinyl Chloride) Tube, With Allowable Circumferential Tension Of 12 Mpa (Or Higher), With External Diameters Equivalent To Cast Iron Pipes (Defofo), Tip And Pouch Type Ends, With Integrated Non-Removable Elastic Joint (Jei), For The Execution Of Water Pipelines And Distribution Networks In Buried Water Supply Systems, With Service Pressures (Including Overpressures Arising From Dynamic Variations, Including Water Hammer) Of Up To 1.0 Mpa At A Temperature Of 25C. These Pipes Will Be Installed In Accordance With The Procedures Of Standard Abnt Nbr 9822. The Pipes To Be Provided For Samae De Brusque Must Meet All The Requirements Of Standards Nbr 7665:2007 Or Nbr 15750, And The Provisions Of All Normative References Of These Respective Standards. The Pvc 12 Compound Used In The Manufacture (By Extrusion Process) Of The Tubes To Be Supplied To Samae Must Be Blue For Tubes In Accordance With Nbr 7665, Or White With A Blue Stripe For Tubes In Accordance With Nbr 15750 (Nuances, Only Those Permitted By The Related Standards). The Use Of Reprocessed And/Or Recycled Material For The Manufacture Of These Tubes Will Not Be Permitted. Overpressures Arising From Dynamic Variations, Including Water Hammer) Of Up To 1.0 Mpa At A Temperature Of 25C. These Tubes Will Be Installed In Accordance With The Procedures Of Abnt Nbr 9822. The Tubes To Be Supplied To The Samae De Brusque Must Meet All The Requirements Of Nbr 7665:2007 Or Nbr 15750, 20Mm Pead Tube. High Density Polyethylene (Hdpe) Tube Manufactured By Extrusion Process With Pe 80 Compound, Pn 10, Blue Coloring, Intended For The Execution Of Building Water Lines, Designed And Manufactured For A Minimum Useful Life Of Fifty (50) Years And Operating Under The Following Conditions: Maximum Pressure 1.0 Mpa, Operating Temperatures Of Up To 25º C, Type A, Classification According To Iso 12162 Standard. The Tubes To Be Supplied To Samae De Brusque Must Be Manufactured With Polyethylene Base Polymer Containing The Additives (Antioxidants, Stabilizers And Blue Pigment) Necessary For The Manufacture Of Polyethylene Tubes In Accordance With This Specification. The Use Of Reprocessed Or Recycled Material Is Not Permitted In The Manufacture Of Tubes To Be Supplied To Samae De Brusque. The Compound Must Comply With The Requirements Set Out In Ordinance No. 912, From The Health Surveillance Secretariat Of The Ministry Of Health. The Tubes Must Be Supplied In Coils Of One Hundred (100) Meters Each And Their Ends Will Be For Mechanical Joint Or Electrofusion Welding Type Union. Dimensions And Tolerances In Accordance With Abnt Standard Nbr 15.561 And Iso Standard 4427. Other Tests (Flow Index, Density, Thermal Stability, Pigment Dispersion, Resistance To Short-Term Internal Hydrostatic Pressure, Dimensional Stability, Circumferential Shrinkage, Crushing Resistance And Inversion Of Curvature Bending Test) Must Follow The Sabesp Nts Standard 048:2006 Version 3 (Regardless Of The Dia., Pvc Tube, Weldable, 40. Cl 12. Poly (Vinyl Chloride) Tube, Pvc 6, 3, For Building Cold Water Systems, With Tip Type Ends And Smooth Bag For Weldable Joint
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