Should further information be desired, or should particular problems arise which are not covered sufficiently for the purchaser s purposes, the matter should be referred to Dresser-Rand. Standard features on COPPUS Turbines include: Meet or exceed strict API 611 requirements Overspeed mechanical trip valve Snap-acting overspeed trip Woodward TG direct drive oil relay governor Constant level sight-feed oilers Stiff shaft construction with single disc wheel located between bearings Manual speed changer Single piece contoured Curtis type wheel Optional Features for COPPUS Turbines Include: Forged steel wheels Special shaft materials Part load and overload hand valves Kingsbury? For manual resetting against full-line pressure, a pilot valve relieves unbalanced pressure. The single-seated valve will bring a fully, unloaded turbine to a complete stop. When released by the Overspeed Trip mechanism or the manual trip lever the valve is instantly closed to shut off steam. The Overspeed Trip Valves are designed to minimize pressure drop ensuring the highest available pressure at the nozzle ring for doing work.
The snap-action tripping is positive, precise and repeatable.
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