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 |