Thelco Pump of the Day: Worthington D814 4x3x6 All Iron Construction, Full Diameter Impeller
Today’s spotlight goes to the Worthington D814 4x3x6, an all-iron construction pump designed for reliable, everyday industrial flow. This build features a full-diameter impeller, delivering the strongest hydraulic performance available in the 4x3x6 frame size.
Strong, Dependable, All-Iron Performance
The D814 4x3x6 is widely used across industrial facilities for plant water, transfer duties, cooling loops, and general utility service. Its all-iron construction provides durability, predictable service life, and cost-effective operation without moving into stainless or exotic alloys.
Running the full impeller diameter maximizes flow and head, giving operations the most efficiency out of this compact size without requiring extra horsepower.
Maintenance Friendly and Built for On-Site Reliability
Maintenance teams appreciate the D814 layout for its simple teardown and direct access to seals, sleeves, and bearings. The full diameter impeller is balanced to reduce vibration and maintain long term smooth operation.
Supported by Thelco
Thelco stocks D814 pumps, impellers (min to full diameter), casings, shafts, sleeves, glands, and seals.
We also support:
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Worthington D800 Series
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D1000 Series
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D500 Series
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LR & LLR split-case pumps
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Gear pumps & CNG pumps
With machining, balancing, assembly, and rebuilds all done in-house, Thelco keeps systems running and lead times short.
For reliable performance in an iron construction package, the Worthington D814 4x3x6 full-diameter build remains a plant favorite.
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