Home Company Safety & Sustainability Products Engineering Certifications Contact & After Sales Fully Welded Full or reduced bore From ½” to 64” Class from 150 up to 1.500 In fully welded ball valves body and closures are welded together; the result is a solid assembly with no leakage paths. A fully welded application is a preferable solution when no maintenance is scheduled on valves and when it is mandatory to avoid any external leakage. A typical application is for underground service or subsea. Welding is performed by highly qualified welders, in accordance with all applicable ASME or EN requirements. Standard Features Optional features Design according to API 6D, API6A, API 6DSS, B16.34, ASME VIII, ENI ISO 17292 Ends according to ASME B16.5, ASME B16.47, B16.25, MSS-SP44 Anti-blowout stem Antistatic device Double block and bleed Self-relieving Fire safe according to ISO 10497, API 607, API 6FA, BS 6755-2 Soft or metal seated, PMSS also available Carbon steel, stainless steel, duplex stainless steel and any exotic alloy Ends according to custom design One seat self-relieving and one seat double piston effect Emergency sealant injection on seat and/or stem sealings Bonnet extension Stem extension Internal lining Weld overlay on seat pocket and/or and stem pocket area Weld overlay on all wetted parts Previous Next Follow us on Technical solution provider since 1962 Contact Info Viale A. Colombo, 219 21055 Gorla Minore (VA) +39 0331 602059 info@dellafoglia.it Links Company Safety & Sustainability Products Engineering Certifications Contact & After Sales © 2021 Della Foglia S.r.l. All rights reserved - Cod. Fisc. - P.IVA: 01562490126 Privacy Policy Cookie Policy Credits × Informativa Questo sito o gli strumenti terzi da questo utilizzati si avvalgono di cookie necessari al funzionamento ed utili alle finalità illustrate nella cookie policy. Se vuoi saperne di più o negare il consenso a tutti o ad alcuni cookie, consulta la cookie policy. Chiudendo questo banner, scorrendo questa pagina, cliccando su un link o proseguendo la navigazione in altra maniera, acconsenti all’uso dei cookie.