Catalog excerpts
Valvola a flusso avviato a vite esterna tradizionali in acciaio a baderna Streamlined flow valve outside screw traditional type Caratteristiche principali di serie Main standard features Volantino saliente Rising Handwheel Stelo rotante Rotating disc Controtenuta di sicurezza ricavata sullo stelo Backseat Otturatore rotante Rotating disc Sede saldata Welded-in seat Possibili campi di impiego Application Impianti di trasmissione calore, centrali termiche, caldaie e serbatoi, impianti di teleriscaldamento, applicazioni con olio diatermico, ecc. Heat transfer systems, thermal power stations, industrial boilers and tanks, district heating plants, diathermic oil installations, etc. Acqua calda e/o surriscaldata, vapore, aria, fluidi diatermici, ecc. Hot water and/or overheated water, steam, air, diathermic fluids, etc. Materiali Materials Material P250 GH (forged) GP 240 GH+N (cast) P250 GH (forged) GP 240 GH+N (cast) St. Steel 1.4370 St. Steel 1.4021 St. Steel 1.4021 St. Steel 1.4021 Graphite + St. Steel Graphite Pressed steel Carbon steel Carbon steel Components Body Body Yoke Yoke Seat Disc Stem Antifriction disk Gaskets Packing Handwheel Studs Nuts Componente Corpo 15-50 Corpo 65-250 Cavalletto Cavalletto Sede Otturatore Stelo Disco antifrizione Guarnizioni Baderna Volantino Prigionieri Dadi
Open the catalog to page 1KV alla percentuale di alzata figura 326/R Kv at stroke rate item 326/R Condizioni di esercizio/ Working conditions Temperatura - Temperature [°C] -10/50 40 Pressione - Pressure [bar] E’ necessario l’uso dell’otturatore equilibrato quando la pressione di esercizio supera i seguenti valori It is necessary to use the balanced disc when the working pressure is over the following values DN Pressione - Pressure [bar] NOTA: Utilizzando una valvola con otturatore equilibrato è indispensabile installarla al contrario, cioè con la pressione sopra l’otturatore NOTE: Using a valve with balanced disc...
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