Line Break Valve (Abbreviated to L.B.V.) is a major safety device in line pipes. Generally it is a ball valve (Sometimes Butterfly valve) with a gas over oil actuator. The actuator is designed to sense pressure changes in flowing medium. If a sudden pressure change and/or pressure drop below a preset point occurs the valve will close the line and stop the flow. We supplied and are capable to supply L.B.V. for any specific design and installation.