water butterfly valves elephant elephant wbv3232n 2w fb dn50 16 bar wafer type body 316l stainless steel disc 316l stainless steel seal nbr with pa da 1 pneumatic actuatorThe Elephant rotary disc valve is designed for use as a shut off or control valve for regulating flow in heating and water supply systems and in technological processes in the food, chemical, oil and gas, pulp and paper, and other industries. Rotary valves should only be installed between collar flanges. Elephant double acting rotary pneumatic actuators PA DA 105 1 are designed for automating the control of industrial valves with a maximum torque of