Elastomer-lined butterfly valve Desponia plus
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DESPONIA® plus - Butterfly valve DN 25-600 Centric butterfly valve with elastomer liner for liquids and gases in the industrial range, general services, water treatment, ... Product features • Body construction • Face to face dimension • Top flange • Max. working pressure • Rating • Temperature range • Tightness test DP1 Wafer DN 25-600 DP3 Lug DN 50-600 according to ISO 5752/20, EN 558-1/20 according to EN ISO 5211 16/20 bar PN 6, PN 10, PN 16, PN 25, ANSI cl. 150 -40°C ÷ 200°C according to material according to EN 12266-1/P12 leakage rate A, test fluid water The butterfly valves DESPONIA® plus meet the safety requirements of the pressure Equipments Directive 2014/68/UE (PED) appendix 1 for fluids of the groups 1 and 2. Butterfly valves DESPONIA® plus are suitable to be operated in safety related systems according to IEC 61508 / 61511, Safety Integrity Level SIL 2 Body (extended valve neck allowing insulation) Blow out proof shaft with position indication Disc Exchangeable liner with sealing grooves on the tightening face Self-lubricating shaft bushing Square driven disc External shaft sealing Retaining washer (blow out protection)     Body type  Nominal diameter  Working pressure  Rating  mm 1 = 6 bar, 2 = 10 bar, 3 = 16 bar, 4 = 20 bar (with body 3HE or 4C0, for 2AE body consult our technical department) 1 = PN 6, 2 = PN 10, 3 = PN 16, A = ANSI cl. 150, 5 = PN 25 on request Ductile iron EN-GJS-400-15, Polyurethan coated 80 μm <140°C Cast steel GP240GH, 1.0619, Polyurethan coated 80 μm <140°C Stainless steel 1.4408, AISI316 Stainless steel 1.4021, AISI420 (max. 16 bar) Stainless steel 1.4542 / 17-4PH Stainless steel 1.4021, AISI420 (max. 16 bar) Stainless steel 1.4542 / 17-4PH Ductile iron EN-GJS-400-15, Rilsan coated 250 μm (max. 16 bar) <90°C <16 bar Ductile iron EN-GJS-400-15, Polyurethan coated 80 μm (max. 16 <120°C Cast steel GP240GH, 1.0619, Polyurethan coated 80 μm <120°C Carbon steel 1.0552 / GS52.3, Ultralene Coating™ coated <80°C, pmax. 10 ≤ DN 400 / 6 bar >DN 400 Stainless steel 1.4408, AISI316 Stainless steel 1.4408, AISI316, polished (max. 16 bar) Super austenitic steel 1.4588 Alubronze ASTM B148 C95800 / G-Cu Al 10 Ni Hastelloy ASTM A494 CW-12MW (max. 16 bar) E = EPDM <95°C EC = EPDM HT <130°C N = Nitril (NBR) <100°C H = CSM (Hypalon) <110°C <16 bar Other materials and white liners on request Max. pressure and temperature limits of application are dependent of the working conditions. When mounting the valve at the end of a line please note: - Body type DP3 - Medium only for liquids, 10÷30ºC - Max. working pressure DN 25-200 10 bar DN 25

DESPONIA® plus - Butterfly valve DN 25-600 * When using plastic stubs please check dimension H/x to avoid disc damaging Further documentation Pneumatic actuators, Electric actuators, Accessories according separate data sheets. Installation guide, Maintenance guide, Flanges: Please consult these guides for the installation and maintenance of our butterfly valves. The technical data are noncommittal and do not assure you of any properties. Please refer to our general sales conditions. Modifications without notice. © 2020 InterApp AG, all rights reserved