Product Description: AT series rotary air pneumatic actuator for ball valve butterfly valves AT Series pneumatic actuators for quarter turn ball and butterfly valves provide accurate and dependable control, especially in corrosive applications. Two versions of this actuator are offered: single acting (air to spring or "fail safe") and double acting (air-to-air), both versions utilize a double piston, double rack and pinion design. FRQ Are you factory / manufacturer or trading company? Manufacturer. can you make export? Yes, we have export lessens. Is there discount? Price is negotiable after we receive your inquiry details. What is the mini order quantity? It is 1 piece if it is standard. Can you make delivery or shipment? Yes, we have cooperation with courier, such as DHL/TNT/UPS/EMS/China post and so on. also, we have forwarder to arrange air and sea shipment. Can you make customized products? Yes, customized products can be made, products or logo or packing. Do you have repair kits? Yes, repair kits are available. and our after sales team will offer you proper soloution.