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Centrometal · EN 12828
Technical Datasheet & 2D Drawing (21246)
Dimensional & hydraulic connection schematic
Centrometal Apatinės katilo durelės CPDV 90/110 (za CPPL-90) (Centrometal, gamintojo kodas MPN/SKU: 21246) – Centrometal…
Material / Spec: 6 mm katilinis plienas P265GH + keraminė virvė 12×12 mm (1260 °C)
Tvirtinamas prie esamų Viadrus U22 / Kalvis / Atmos katilo durelių be suvirinimo.
Antikondensacinė apsauga: grįžtamo srauto temperatūra į katilą T_grįžt ≥ 55 °C, kuro padavimo šnekas montuojamas 45–60° kampu su poliuretano gofra.
All [01–06] sub-assemblies, adapters, and gaskets stocked at Eigulių St. 21, Kaunas warehouse (10+ yr service support).
Vytautas engineering compatibility note (21246)
Verified mating components for Centrometal (21246) matched by connection standard (DN / thread / M30×1.5 / RA Click) and hydraulic compatibility.
Yes, this Centrometal unit (SKU 21246, category: Burners & accessories) is manufactured to European EN 12828 hydronic standards. Verify the connection thread or nominal size (e.g. DN15 1/2", DN20 3/4", M30×1.5 or Danfoss RA Click) – our engineering advisor Vytautas lists directly compatible mating components on this page.
Genuine Centrometal components use corrosion-resistant alloys (DZR brass, bronze or stainless steel) and calibrated flow paths, preventing valve sticking, water-hammer noise and premature seal leaks over 10+ heating seasons.
When installing Centrometal Apatinės katilo durelės CPDV 90/110 (za CPPL-90) (21246, price on request), check whether you need matching union tailpieces, Eurocone adapters, a mating thermostatic head or actuator. See the compatible parts section above.
Always observe the flow-direction arrow on the housing, depressurise the loop before fitting, and never apply hemp or tape onto flat union gaskets or O-ring cones.
Tai atskira serviso atsarginė dalis (uždegimo tenas, ardelis, fotodiodas, STB termostatas arba ventiliatorius) – granulių bunkeris ir šnekas į šią poziciją neįeina. Netinka šilumos siurbliams.
Suderinamumą pasitikslinkite su mūsų inžinieriumi (+370 693 97098) arba pagal įrenginio techninį pasą
Source: Manufacturer technical catalog (Danfoss / IMI Hydronic / HERZ / Haier / Gorenje 2025–2026) and LST EN 215 / EN 12828 / EN 303-5 standard
Verification note: Solid-fuel boiler door aperture and flange dimensions vary by production year and kW rating – before ordering a door conversion kit or pellet burner, verify exact dimensions against the boiler passport or with a „Gilės inžinerija“ engineer (+370 693 97098).
Confirm that 21246 connection matches the supply/return pipework and flow direction arrow.
Depressurise the heating circuit, fit the union tailpiece and tighten to factory torque.
Adjust the flow scale (Kvs / l/h) or controller setting according to room or boiler loop load.
Refill the loop, vent trapped air and verify leak-free operation under operating temperature.
Engineer pro tip: When installing Centrometal (21246), never wind hemp onto flat gasket seats or Eurocone O-ring cones – seal only tapered pipe threads.
Ceramic ignition element (tinka Megatherm MPB, Pelltech, Viadrus, Kalvis)
