Pan Discharge Valve, also known in the market as D-Block, is a valve that is developed for a specialised application in the sugar processing industry. The most common application of the pan discharge valve is that it controls the flow of boiling sugar juice also called as sugar massecuite and transfers it to the crystalliser. The top part of the pan discharge valve is a vacuum seal that is attached to the pan containing the massecuite. The pan discharge valve is connected to a cylinder at the bottom that controls the opening and closing of the valve by hydraulic power or an actuator system. The ram that opens up the valve is usually made of Stainless Steel SS 310 grade to give lifelong protection from rusting.