Butterfly Valves - Fig. 4020/4025/4029

Fig. 4020

Ductile iron Wafer butterfly valve
Diameters from DN032 - 1¼" to DN600 - 24"
For EN1092 PN16 flanges (also PN10 for DN≤300)
Lengths according to EN558-1 series 20 (ex DIN3202 K1)
Design according to EN593
Testing according to EN12266-1
Epoxy coating (min. 150 μm)
Available with ductile iron or stainless steel disc
Seat in EPDM (NBR also available for steel disc version)
Available in the following versions:
● with lever (lockable in both open and close position)
● with manual gear
● with CUTTER-AQ electric actuator
● with HOVERCRAFT pneumatic actuator
TR CU 010 compliant

Max differential pressure 10Bar for DN≥350
(versions for Max differential pressure 16Bar available)
Free of CE marking for DN≤300 (cat. according to Art. 4.3 Dir. 2014/68/EU)

Working conditions
● Suitable for: water, -10°C to +110°C for 4020 and 4025 series
   Suitable for: water, -10°C to +90°C for 4029 series
   below 0°C only for water with added antifreeze fluids
● Not suitable for: gases group 1 & 2, liquids group 1 (Dir. 2014/68/EU)