Neeco 913 Series valves with pneumatic diaphragm are designed to operate surface safety or shutdown valves on oil & gas wellhead, transmission, storage, manifold or other applications where fail-safe capability is required. Neeco pneumatic actuators can be used for land or offshore installations and are engineered to provide reliable service in a variety of operating conditions. Neeco can provide actuators valve mounted and ready to deploy, or as actuated bonnet assemblies ready to mount on valves from other manufacturers. Additionally, Neeco offers a full range of accessories including standard & fusible manual overrides, position indicators and fusible lock open devices. The pressure relief device is easily inspected and is field-replaceable.