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Applying Steam Turbines For Pump Drives

From Dresser-Rand

Steam turbines are well-suited for pump drive service for a number of reasons. First is their ability to operate across a wide speed range. This enables them to do two things: operate at the pump's most efficient speed and match the system head curve at varying pump flows, thus reducing throttling losses. This can make the turbine a good choice for marginal NPSH applications as it can avoid drastic speed reductions. When operating at low speed, turbines reduce radial reaction in centrifugal pumps operating at low flows.

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