A hydraulic Trunion Mounting Cylinder is designed to provide a precise location for mounting a control valve and is used on many different types of plumbing equipment. The hydraulic Trunion Mounting Cylinder is made in such a way that offers easy access for all mounting and service operations that require a tight fit. It also features a stamped steel base with a solid steel body. It protects against leaks and spills that offers an extra layer of protection over metal surfaces.