Resilient seated butterfly valves 301 series.Size range 1.1/2” ÷ 40” (DN40 ÷ DN1000) Type Wafer, Lug, Double flanged Face to face dimension EN 558 series 20 Top flange ISO 5211 Max working pressure 20 bar - bidirectional Flange drilling PN6, PN10, PN16 / ANSI class 150 Operating temperature -20 °C ÷ +160 °C (-4 °F ÷ +320 °F) Standard materials Body: Ductile Iron, Carbon Steel, Stainless Steel, Al/Bronze, F51 Disc: Ductile Iron, Carbon Steel, Stainless Steel, Al/Bronze Stem: AISI 316, AISI 420, AISI 630, MONEL K Seat: NBR, EPDM, EPDM HT, VITON, more (all seats have inside a metal ring reinforcement) Leakage class Rate “A” - No leakage – according to EN 12266-1 Applications Liquids or gases in industrial environments, plants, water treatment, vacuum, other applications with compatible materials to working conditions Certifications 2014/68/UE PED, 2014/34/UE ATEX, SIL IEC 61508 - IEC 61511 GOST-R, CU TR 10 – CU TR 32, TA-Luft 
Double offset butterfly valves 401N series.Size range 3” ÷ 56” (DN80 ÷ DN1400) Type Wafer, Lug, Double flanged on request Design ASME B16.34, EN 12516-2, EN 593 Face to face API 609, EN 558 Operating temperature -40°C + 220°C (-40 °F ÷ +428 °F) Pressure ratings ASME class 150 - bidirectional Flange drilling ASME B16.5, ASME B16.47 series A, EN1092-1 Testing API 598, EN 12266-1 Leakage class Rate “A” - No leakage – according to EN 12266-1 Standard materials Body: Ductile Iron, Carbon Steel, Stainles Steel Disc: Ductile Iron, Carbon Steel, Stainles Steel Stem: AISI 304, AISI 316, AISI 630 Seat: PTFE + Carbographite INCONEL 625 LCF on request for metal to metal seated Applications Chemical and Pharmaceutical industries, sistems for solvent recovery, other applications with compatible materials to working conditions Certifications 97/23/CE PED, 94/9/CE ATEX, Fire Safe API 607, ISO 10497, API 6FA (on request) SIL - IEC 61508, IEC 61511, GOST-R, CU TR 10 – CU TR 32 
Triple offset butterfly valves 501M series.Size range 2.1/2” ÷ 56” (DN65 ÷ DN1400) Type Wafer, Lug, Double flanged , Butt welding Design ASME B16.34, EN 12516-2, EN 593 Face to face API 609, EN 558, ANSI B16.10 Operating temperature -196°C + 815°C (-320 °F ÷ +1500 °F) Pressure ratings ASME class 150, 300, 600, PN10 ÷ PN160 – bidirectional Flange drilling ASME B16.5, ASME B16.47 series A, EN1092-1 Testing API 598, API 6D, EN 12266-1 Leakage class Rate “A” - No leakage – according to EN 12266-1 Standard materials Body: Carbon Steel, Stainles Steel, Al/Bronze Body seat: Stellite® (overlay welding) Disc: Carbon Steel, Stainles Steel, Al/Bronze Stem: AISI 420, AISI 630, NITRONIC 50 Applications High pressure, High temperature, Critical service, Cryogenic Service Certifications 97/23/CE PED, 94/9/CE ATEX, Fire Safe API 607, ISO 10497, API 6FA CU TR 10 – CU TR 32, GOST-R 
