Van bướm 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