FLOWSERVE

DURCO

Durco Mark 3 ISO Chemical Process Pumps

The Durco Mark 3 ISO pump delivers. Conforming to ISO 2858, ISO 5199 and ISO 15783 design criteria, the Durco Mark 3 ISO incorporates many proven reliability- and performance-enhancing features to meet the varied needs of the global process industries:
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Lower energy usage ensured by high-efficiency performance over the life of the pump

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Extensive hydraulic options and coverage for demanding process fluids

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Minimized downtime, maximized working life and low maintenance costs

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Application flexibility due to the standardized modular system design

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High environmental and personnel safety during operation and maintenance

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Versatile platform for plant-specific seals, accessories and instrumentation systems

Operating Parameters

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Flows to 1400 m3/h (6160 gpm)

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Heads to 220 m (720 ft)

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Pressures to 25 bar (365 psi)

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Temperatures from -80°C (-110°F) to 400°C (752°F)

Durco Mark 3 ASME (ANSI) Chemical Process Pumps

The Durco Mark 3 chemical process pump provides outstanding hydraulic performance, unrivaled reliability and low total cost of ownership. Conforming to ASME (ANSI) B73.1, it incorporates many proven reliability- and performance-enhancing features. The resultant benefits are:

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Renewable, high-efficiency performance over the life of the pump with the reverse vane impeller

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Optimal, predictable seal chamber pressures that are re-established after every impeller setting

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Maximal mechanical seal life due to an ideal seal environment created by the SealSentry™ seal chamber

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Robust shaft and bearing designs that minimize shaft deflection and extend mechanical seal and bearing life

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Fast and accurate impeller setting with the industry’s most innovative external impeller adjustment mechanism

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In-shop reverse vane impeller adjustment with the only pump that takes full advantage of the back pullout design

Operating Parameters

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Flows to 1700 m3/h (7500 US gpm)

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Heads to 300 m (990 ft)

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Pressures to 27 bar (400 psi)

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Temperatures from -73°C to 370°C (-100°F to 700°F)