<p>The universal valve disclosed herein operates as both an actuated and non-actuated valve embodiment, both of which are assembled using a common universal valve body. When functioning in the actuated valve (200) embodiment, the invention includes components which open a small orifice (156) to provide pressurization or de-pressurization before the disk (154) is lifted off the seat (15) and the poppet valve is opened.</p>
