Drinking WaterMaterial For Drinking Water Supply Delivery Period 7 4 2020 To 31 3 2022 With Optional Extension For Another Delivery Year 1 4 2022 To 31 3 2023 Description Water Meter Fittings System With Angled Seat Valve And Ksr Valve With Backflow Preventercompletely Assembled Sealed And Subjected To A Leak Test Din Iso 2859 Din 3230 To Meet The Drinking Water Regulation Brass Material According To Din 50930 6 Installation Parameter B 0 14 Consisting Of Angle Seat Valve Din Dvgw According To Din En 1213 And W 570 Made Of Pressed Brass With Upper Part In One Piece Construction Without Loose Parts Drive Untouched By The Medium With Double Feed With Double O Ring Seal And Handwheel Entrance With Internal Thread For The Ewe O Ring System Exit With Union Nut Suitable For The Water Meter With Sealing Hole With Retaining Collar For A Tight Fit Of The Water Meter Seal And With Stainless Steel Rectangular Ring With Centering Counter Ring For The Water Meter Bracket And With Water Meter Seal Faucet Without Draining Water Meter Bracket Made Of A2 Stainless Steel Minimum Thickness 2 5 Mm With Open Adjustable Support Arms 3 Mm Thick Adjustability Of The Support Arms At Least 40 Mm Min 95 Mm Fold Outwards With Cap Nuts With T Slots Ksr Valve Combined Angle Seat Valve Backflow Preventer Din Dvgw According To Din En 1213 Din En 13959 And W 570 Made Of Pressed Brass With Upper Part In One Piece Construction Without Loose Parts Drive Unaffected By The Medium With Double Feed With Double O Ring Sealing Brass Plunger With Additional Teflon Coating Internal Spring Made Of A4 Stainless Steel And Relief Hole With Handwheel Test Screw And Integrated Drain Valve Located Downwards Inlet With Form Fitting Multi Start Thread Length Compensation With Double O Ring Seal Fluidically Optimized Union Nut With Internal Octagon And Multiple Functions Also For Adjusting The Length Compensation Retaining Collar For A Tight Fit Of The Water Meter Seal With Centering Counter Ring And With Water Meter Seal Output With Internal Thread For The Ewe O Ring System All Screw Elements Of The Valve With Uniform Wrench Size According To Din Water Meter System Pre Assembled Into Assemblies And Packed As A Unit In A Box The Manufacturer Is Certified By Dvgw According To Din En Iso 9001 2008 With Fastening Material As Well As Other Materials Time Limit For Receipt Of Tenders Or Requests To Participate Date 24 03 2020 Local Time 11 00 Disclaimer The Above Text Is Machine Translated For Accurate Information Kindly Refer The Original Document
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