water butterfly valves elephant wbv3131e 2w c h body material stainless steel aisi 304 seal epdm with pneumatic actuator pa da 052 double action lsu apl 510n ex Connection size:DN25 Le flux inverse est bloqué

Le flux inverse est bloqué en appuyant le disque de soupape contre son siège sous l'action du ressort et de la pression du flux inverse

DN L D F L1 G 50 108 125 153 495 147 65 112 145 153 495 147 80 114 160 153 495 147 100 127 180 153 495 147

205 65 64 184 308 290 193 26

5 78 8x8 32 66 50

water butterfly valves elephant wbv3131e 2w c h body material stainless steel aisi 304 seal epdm with pneumatic actuator pa da 052 double action lsu apl 510n ex Connection size:DN25 Le flux inverse est bloquéButterfly valves are designed for use as shut off or regulating valves for controlling flows in heat supply systems, water supply systems, in technological processes of food, chemical, oil and gas, pulp and paper and other industries. Operating principle: The valves are opened and closed by turning the disk by 90. Opening is performed by turning the handle counterclockwise, closing clockwise. Pneumatic double acting rotary actuators PA DA and