All-welded ball valve is a kind of ball valve that makes up of full welded ball valve body and Teflon seal. Under the impact of impurity and chemistry, it can hold long life. Elaborate grinding stainless steel ball can ensure open and close freely. All-welded ball valve adopts floating ball structure, hardened steel for springs manufacturing. Bevel washer makes seal pressing on ball tightly. Even when the pressure is not stable, valve can be of compactness. Materials of the all welded ball valve are different from par to part. The body’s material is carbon steel.The ball and the stem is made of stainless steel. And sealing ring’s material is PTFE+C.
All-welded ball valve has the following characteristics: No need for maintenance, adjustment and lubrication. It's easy fixing. It works safely and long-term under low cost. Longer valve stem can be done to help keeping warm. Operation handle can be dismantled and fixed on other side. Valve body doesn't contain heaviness and fallibility casting. And it's very easy for fixed adjustable structure. All-welded ball valve is also with a spherical disc, the part of the valve which controls the flow through it. The sphere has a hole, or port, through the middle so that when the port is in line with both ends of the valve, flow will occur. When the valve is closed, the hole is perpendicular to the ends of the valve, and flow is blocked. The handle or lever will be inline with the port position letting you "see" the valve's position. This kind of ball valve is also part of the family of quarter turn valves.
All Welded Ball Valves is widely used for system of heat supply pipelines, compressed air pipes and oil- pipelines etc industries pipeline.