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This class 150 Sharpe Valves 50114 series carbon steel two-piece ball valve has a lockable lever handle and flanged connections on both ends. This valve body is made of carbon steel for tensile strength and hardness. This valve has a lockable lever handle for manual on/off control. TFM seats reduce the risk of leakage. The valve is full port for reduced friction; its inner diameter is the same as the inner diameter of the connecting pipe for maximum operating efficiency. This valve has flanged ends for bolting to compatible-sized pipe flanges. The maximum pressure rating is 1480 pounds per square inch (psi). Ball valves use a spherical disc to control the flow between pipes, tubes, or hoses. Flow is allowed when the hole that pierces the ball-shaped disc is in line with the inlet and outlet of the valve. Flow is blocked when the ball is horizontally swiveled 90 degrees, so that the hole of the ball is perpendicular to the opening of the valve. Ball valves can be referred to as full port or reduced port (also known as regular or standard port) depending on the inner diameter of the valve. A ball valve is full port if the hole of the ball is the same size as the inner diameter of the connecting pipeline (resulting in lower friction) and is reduced port if the hole of the valve is one pipe size smaller than the pipe, resulting in less flow through the valve than through the shaft of the pipe. Ball valves may have a handle or lever that aligns with the ball's position (open or closed) for manual operation. They are primarily used in air, gas, liquid, and steam applications.Sharpe Valves manufactures a wide variety of valves, including stainless and carbon steel ball, gate, globe, and check valves. The company, founded in 1986 and headquartered in Chicago, IL, meets International Organization for Standardization (ISO) 9001:2008 standards based on Sharpe's design and manufacturing of valves.