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The N.G.D inline flow control valve is a piston type,
hydrostatically unbalanced, designed to maintain a predetermined
differential pressure across a cooling plant in series arrangement with
the valve. The actuation of the valve is by the line-fluid pressure and
the valve does not require electrical power or instruments for its
operation.
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The N.G.D inline flow control valve is used to maintain
a constant flow through a cooling plant, irrespective of the plant
upstream pressure or the water demand downstream the plant.
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