Tenders Are Invited For Delivery Of Water Supply Fittings And Assembly Elements For The Water Supply Network ... in Poland

Work Detail

The Document Contains Technical Requirements And A Quantitative Summary. Equivalent Solutions That Meet The Minimum Requirements Are Allowed.1. Quantitative Listno. Element Name Quantity1 Above-Ground Hydrant Dn80 61 Pcs. Flanged Gate Valve Dn80 (Short Pn16) 62 Pcs. 3 Flanged Gate Valve Dn100 (Short Pn16) 50 Pcs. 4 Flanged Gate Valve Dn150 (Short Pn16) 20 Pcs. 5 Telescopic Casing Kw17 (Dn65–80) 73 Pcs. 6 Telescopic Casing Kw19 (Dn100–150) 70 Pcs. 7 Street Box 150 Made Of Pe/Gel, Round Water “W” 131 Pcs. Flanged Elbow, Alloy, Cast Iron Dn80 10 Pcs. 9 Double-Flange Connector Ff Dn80–500 10 Pcs. 10 Flat Gasket – Rubber – Dn 80 268 Pcs. 11 Gasket Flat Dn100 100 Pcs.12 Flat Gasket Dn150 40 Pcs.13 Set Of Stainless Steel Screws M20 × 80 A2 (8 Pcs), Nuts M20 A4 (8 Pcs), Washers 21 A2 (16 Pcs) - Quantity 183 Sets2. Technical Requirements2.1 Above-Ground Hydrant Dn80 - Minimum Requirements- Hydrant Dn80, Single Closure, Maximum Pressure Pn16.- Flange Connections And Drilling According To Pn-En 1092-2:1999 (Din 2501)- Two Sockets Type B 2×75 According To Din 14318.- Installation Depths: Rd 1000 / 1250 / 1500.- Upper And Lower Body Made Of Cast Iron En-Gjs-400-15.- Epdm Vulcanized Piston.- Stainless Steel Stem, Multiple O-Ring Seal.- Bronze Or Brass Spindle Nut.- Cast Iron Or Stainless Steel Column (Iso Anti-Corrosion). 12944-5).- Automatic Drainage Of The Hydrant.- Epoxy Coating Min. 250 Μm.- Marking Pn-En 19, Pn-En 1074.- The Hydrant Must Have A Compatible Steam Trap Cover.- Red Color.2.2 Flange Gate Valves - Minimum Requirements- Flange Connections Pn-En 1092-2.- Installation Length Pn-En 558.- Body, Cover, Wedge: Cast Iron En-Gjs-400-15.- Straight Passage, Without Constrictions.- Epdm Vulcanized Wedge Approved For Drinking Water.- Plastic Guides Reducing Friction.- Pressed Brass Wedge Nut - Replaceable.- Cold-Rolled Spindle Or Equivalent.- Min. 4 O-Rings, Chamber Separated From The Medium.- Bearing Suitable For Dn.- Epoxy Coating Min. 250 Μm (Or Equivalent Gsk).- Stainless Steel Screws.- Full Dimensional And Assembly Compatibility.2.3 Telescopic Housings - Minimum Requirements- Galvanized Steel Pin.- Cast Iron Head Turnkey.- Pe Or Pp Pipes.- Galvanized/Stainless Steel Cotter Pin.- Full Compatibility With Gate Valves.2.4 Rk Flange Fittings – Minimum Requirements- Body And Ring Made Of Cast Iron En-Gjs-500-7.- Anchoring System: Stainless Steel / Brass.- Installation Deviation 4–8°.- Stainless Steel Screws A4.- Gsk Anti-Corrosion Coating Or Equivalent.2.5 Alloy Elbows – Minimum Requirements - Cast Iron En-Gjs-500-7. - Grooved Flanges To Prevent The Seal From Moving. - Epoxy Coating Min. 250 Μm.2.6 Flat Flange Gaskets - Minimum Requirements- Epdm Gaskets In Accordance With Pn-En 1514-1.- Intended For Pn16 Flanges.- Approved For Contact With Drinking Water.- Resistance To Deformation And Ground Conditions.2.7 Sets Of Stainless Screw - Minimum Requirements- Screw + Washers + Nut. - Stainless Steel A2/A4, Min. Class 70. - Compliance With Pn-En Iso 4014/4017. -

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