Pneumatically/ Hydraulically/ Electric Motor Operated Flap Valves are available in different sizes ranging from 100 mm to 1000mm. These Flap Valves can operate in a temperature ranging from 100 degree C to 1300 degree C. These Flap Valves are offered in pneumatically, hydraulically or electric motor operated versions. Pneumatically/ Hydraulically/ Electric Motor Operated Flap Valves are made using mild steel, stainless steel, cast iron or alloy steel to ensure longer functional life.