Tenders Are Invited For Successive Purchase Of Installation Materials In Order To Implement The Statutory Tasks Of The Municipal Plant In Kostrzyn In 2024/2025.

Successive Supply Of The Municipal Plant In Kostrzyn, Hereinafter Referred To As The Plant, With Materials For The Repair And Construction Of Water Supply And Sewage Networks And Connections In 2024 And 2025, In Accordance With The List In Annex No. 4. Technical Conditions: Soft-Sealed Flanged Gate Valves - Short Series F4˗ Anti-Corrosion Protection: Epoxy Paint Coating With A Minimum Thickness Of 250 Μm (Inside And Outside) - Gsk Ral Certificate Required, Guaranteeing The Quality Of Anti-Corrosion Protection Of Each Piece Of Fittings Delivered,˗ Working Pressure: Min Pn10 Max. Pn16 Valve Body Made Of Ductile Iron En-Gjs-400-15, ˗ Valve Bore: Full, Equal To The Nominal Diameter And Without Constrictions, ˗ Stem (Spindle): Made Of Stainless Steel With Rolled Thread, ˗ Wedge Made Of Ductile Iron, Cast Iron Grade Minimum En- Gjs-400-15 Vulcanized On The Entire Surface With An Epdm Rubber Coating, - Replaceable Stem Seal Under Pressure, - Replaceable Wedge Nut Made Of Pressed Brass. Specification Of Housings For Gate Valves And Drill Holes: - Hood Made Of Ductile Iron Minimum En-Gjs-400 - 15, - Steel Rod With A Square Cross-Section, - Protective Pipe Made Of Pe, - Possibility Of Setting The Casing At Any Length (Telescopic), - Anti-Corrosion Protection By Painting Or Galvanizing, - The Offer Should Be Accompanied By: Catalog Card. Self-Drilling Drill For Pe And Pvc Pipes: ˗ Body, Cover And Wedge Made Of Ductile Iron Minimum En-Gjs-400-15, ˗ Drilling Diameter The Same For All Diameters Of The Drilled Pipe: 38 Mm, ˗ Extended Stainless Steel Knife, ˗ Rubber-Lined Clamp On The Entire Surface, ˗ Sealing The Knife To The Brass Ring Located In The Clamp Using A Rubber O-Ring (Brass-Brass Connections Are Not Allowed), ˗ Possibility Of Multiple Closing By Tightening The Drill Hole Without The Need To Use An Additional Threaded Latch (Closing Valve Function). Pipe And Flange Connectors:˗ Body, Clamping Ring Made Of Ductile Cast Iron,˗ Gasket Made Of Epdm Mixture,˗ In The Case Of Connectors For Pe/Pvc Pipes, A Brass Ring Is Required As Protection Against Sliding Out,˗ Required Installation Ranges Not Smaller Than Those Given In The Price Table,- Axial Deviation On Each Side +/- 3°, Gsk Ral Certificate Required, Guaranteeing The Quality Of The Anti-Corrosion Coating Of Each Delivered Piece. Nwz Drills For Pe And Pvc Pipes: - Body, Cover And Wedge Made Of Ductile Iron En- Gjs 400-15,- Clamp Made Of Ductile Iron En-Gjs 400-15, Clamp Halves Fully Lined With Epdm Rubber In Accordance With The Standard - Straight Gate Passage, Without Constrictions And Without A Socket At The Closing Point, - Wedge Vulcanized On The Entire Surface, I.E. Outside And Inside With Nbr Rubber, Epdm, For A Diameter Of Dn32 The Wedge Can Be Made Of Brass, - Stainless Steel Pin With Rolled Thread And Integrated Pin Collar, - Anti-Corrosion Protection: Epoxy Paint With A Minimum Thickness Of 250 Μm, - Gsk Ral Certificate Required, Guaranteeing The Quality Of The Anti-Corrosion Coating Of Each Piece Delivered. Cast Iron Flanged Fittings: - Made Of Ductile Cast Iron, - Drilling Of Flanges: Nominal Pressure 10 Bar (Pn10), Anti-Corrosion Protection: Epoxy Paint With A Minimum Thickness Of 250 Μm On The Outside, Resistant To Uv Radiation, Anti-Corrosion Protected Parts, Resistant To Disinfectants - Flange Connection According To Pn-En 1092-2. Specification Of Gate Valve Boxes, Drilling: - Body Made Of Pehd Material; - Cover Made Of Gray Cast Iron With A Strength Of Min. En-Gjl-250, - The Offer Must Be Accompanied By: Catalog Card. Repair Bands: - Band - Made Of Acid-Resistant Steel, - Connecting Screws Made Of Stainless Or Acid-Resistant Steel, - Band - Single, With Pressure, - Epdm Rubber Seal, - The Offer Must Be Accompanied By: Catalog Card. Pressure Nipples, Double-Socket Connectors: - Pvc Material, Pn 10, Epdm Gasket, - Should Comply With The Pn-En Iso 1452-3:2010 Standard. Pvc Water Pipe: - Pvc Material Pn 10, Epdm Gasket. Pe Pipes - Dn 32 X 3.0, Pn 16 Sdr 11 - Pipes Should Comply With The Pn-En 12201-2 Standard (For Drinking Water). - All Ordered Items Must Be Brand New And Permanently Marked With Print. The Print Should Contain At Least: - Manufacturers Name, - Type Of Material, - Dimensional Series, - Dimensions. Flat Rubber Seals With Ears - Epdm Rubber Mixture. Connector - Ductile Cast Iron, - For Pe Pipes According To En 12201-2, Pn 16, L=112 Mm, - Sealing And Fastening Only On The Outer Circumference Of The Pipe, - O-Ring Seal Made Of Highly Flexible Elastomer, - Flexible Connection, Swivel Connector Also When Assembled And, If Necessary, Dismountable, - Internal Threads Made Of Pom Resin Reinforced With A Stainless Steel Ring. Pipes And Fittings Should Have A Solid Wall And Class S (Sn8). Pipes And Fittings Should Comply With The Pn-En 1401:2009 Standard. Required Documents - Delivered To The Offer: - Manufacturers Catalog Card, - Pzh Certificate, - Declaration Of Conformity Or Certificates, - Cnbop Certificate, - Gsk Ral Certificate.