VALVE AND ACTUATOR ASSEMBLIES

摘要

The present application relates to valve and actuator assemblies. The valve actuator assemblies may include a capless valve actuating arrangement, including a replaceable passage defining member (22) that includes seal members, including a valve member (30) that is assembled in a valve chamber (24) from an end of the valve body (20) that is opposite an end that a piston (68) is assembled in, and/or including a valve member (30) that may be rotated in a valve body without affecting the ability of the valve member to perform its sealing functions.