API 6A Gate Valves and Hydraulic Actuator: Gate valves can be interchanged with Cameron FC ,FL series gate valve and fully in accordance with API Spec. 6A, made from modern materials and manufacturing techniques. They are robust, easy to maintain in the field. Reasonable price and low cost of spares make them the most cost effective valve on the market.Reliable hydraulic gate valves are complied with API Spec. 6A also.