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Check valve – Item 57
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Check valve – Item 57 - 1

Molla per funzionamento anche In verticale Spring for vertical installation Otturatore rotante Rotating disc Sede mandrinata Pressed-in seat Impianti di trasmissione calore, centrali termiche, caldaie e serbatol, 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 Componente Corpo Coperchio Sede Otturatore Molla Guarnizione Viti Components Body Cover Seat Disc Spring Gasket Screws Material EN-GJS-400-18-LT Carbon Steel St. Steel 1.4021 St. Steel 1.4021 Zinc Plated Steel Graphite + St. Steel Carbon steel

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Check valve – Item 57 - 2

Condizioni di esercizio/ Working conditions Temperature - Temperature [°C] -10/120 150 200 250 300 350 N0TA: Kv a valvola completamente aperta NOTE: Kv at fully open valve Varianti costruttive Manufacturing variations N0TA: A richiesta disponibili molle tarate per specifiche pressioni di apertura NOTE: On request special spring for specific opening pressure

Open the catalog to page 2

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