Draw and explain meter in circuit.

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written 5.8 years ago by

teamques10 ★ 69k

• modified 5.8 years ago

Meter-in circuit is a method by which a flow control valve is placed in a hydraulic circuit in such a manner that there is a restriction in the amount of fluid flowing to the actuator.
If the flow control valve were not to be located, the extension and retraction of the actuator which in this case is a cylinder, would have proceeded at an unrestricted rate.
The presence of the flow control valve enables restriction in the fluid flow to the cylinder and thereby slowing down its extension.
In the event of the flow direction being reversed, the check valve ensures that the return flow bypasses the flow control valve.
The inlet flow into the cylinder is controlled using a flow-control valve. In the return stroke, however, the fluid can bypass the needle valve and flow through the check valve and hence the return speed is not controlled.
This implies that the extending speed of the cylinder is controlled whereas there tracing speed is not.

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