The M9811 is a compact, lightweight and convenient flow control valve from Tamura Corporation. It features a simple design, which is suitable for use in various industrial fields, as well as for water control or air conditioning projects. This valve offers high performance, low pressure loss, and high flow rate even for low pressure. The M9811 utilizes an internal relief valve design, which helps protect the valve from high pressure, excessive flow rates, and extreme temperatures. It includes high-precision machining parts with an adjustable manual lever for flow control, and is available in sizes from 1/4 to 2 inches.