Traditional type valve – Item 153
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Catalog excerpts

Traditional type valve – Item 153 - 1

Nodular cast iron streamlined flow valve outside screw traditional type Caratteristiche principali di serie Main standard featuresI Volantino saliente Rising Handwheel| Stelo rotante Rotating disc I Controtenuta di sicurezza ricavata sullo stelo Backseat I Otturatore rotante Rotating disc I Sede mandrinata Pressed-in seat Impianti di trasmissione calore, centrali termic caldaie e serbatoi, impianti di teleriscaldamei applicazioni con olio diatermico, ecc. Heat transfer systems, thermal power stations, indus boilers and tanks, district heating plants, diathermic 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 Components Body Yoke Seat Disc Stem Antifriction disk Gaskets Packing Handwheel Screws Material EN-GJS-400-18-LT EN-GJS-400-18-LT St. Steel 1.4021 St. Steel 1.4021 St. Steel 1.4021 St. Steel 1.4021 Graphite + St. Steel Graphite Pressed steel Carbon steel

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Traditional type valve – Item 153 - 2

KV alia percentuale di alzata figura 153/R Kv at stroke rate item 153/R PN 25 RAL 7001 Condizioni di esercizio/Working conditions E’ necessario I’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 N0TA: Utilizzando una valvola con otturatore equilibrato e indispensabile installaria al contrario, cioe con la pressione sopra I’othiratore NOTE: Using a valve with balanced disc is it essential to install it in reverse way, that is with the pressure on the disc...

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