Flutec High Pressure Flow Control Valves also known as High Pressure Speed Control Valve are designed as per German technology to permit a simple and accurate control of hydraulic fluid, with increasing number of turning of the control knob, starting from the closed position the flow increases evenly. The last turning of Knob of Flow (Speed) Control Valve results in a complete opening of the flow passage. The flow in the reverse direction is free. Flutec High Pressure Flow / Speed Control Valves are provided with coloured scale which permits a good repetition of settings and the coloured triangle allows visible indication of the flow control valve opening. Increase of the coloured triangle equals increased flow through the flow control valve. A setscrew is provided in the side of the knob to lock the flow control valve in set position to comply with safety standards