Art. 535s16 Saracinesca in ghisa sferoidale GGG40 corpo ovale, test per la serie PN 16, vite interna, cuneo coperto da gomma atossica NBR, stelo in inox 13% Cr., o-ring del premistoppa in NBR, bulloni protetti da tappi in nylon, volantino in acciaio, completamente protetta internamente e esternamente da vernice epossilica estremità flangiate UNI-DIN PN 10 or PN 16. La saracinesca é fornita sia senza volantion che con volantino.
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Art. 535/16 Nodular cast iron GGG40 gate valve, oval body, series PN 16, non rising stem, wedge NBR ataxic rubber covers, stem in stainless. steel 13% Cr., NBR o-rings packing, bolts protected by nylon plugs, steel hand wheel, inside and outside protected with epoxy, flanged ends DIN PN 10 or PN 16 (BS 4504) delivered with or without hand wheel
