The Difference Between Brass Gate Valve and Brass Globe Valve Time:2019-01-02 From: NAFCO | Brass Valves Manufacturer China Brass gate valve and Brass globe valve are the two most commonly used shut-off valves. The main differences are: 1, the sealing surface is different When the Brass gate valve is opened and closed, the sealing surface of the valve core and the valve seat always contact and rub against each other, so the sealing surface is easy to wear, especially when the valve is close to the closed state, the pressure difference between the front and the rear of the valve core is large, and the sealing surface wear is more serious. When the valve flap of the shut-off valve is in the open state, its valve seat and the valve sealing surface are no longer in contact, so its sealing surface is less mechanically worn, but if the medium contains solid particles, it is easy to damage the sealing surface. . The sealing surface of the Brass gate valve has a certain self-s