Sirca Butterfly valves – Double offset 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