Thelco Pump of the Day: Worthington 3CNG84 Alloy 20 Construction, 9.50” Full-Diameter Impeller

Today’s feature highlights the Worthington 3CNG84, built in Alloy 20 construction and running a full 9.50-inch impeller. This CNG pump is engineered for aggressive chemical service, offering strong corrosion resistance and dependable operation in demanding environments.

Built for Harsh Chemical Applications

Alloy 20 delivers superior resistance to sulfuric acid, chlorides, chemical attack, and stress corrosion cracking. Plants choose the 3CNG84 when standard iron or stainless simply can’t survive the environment. With its full impeller diameter of 9.50 inches, this pump produces maximum head and strong hydraulic performance while maintaining long-term durability.

Smooth Operation With Full Hydraulic Capability

By running the impeller at the full 9.50” diameter, the 3CNG84 achieves optimal flow and pressure for chemical transfer, recirculation loops, wash systems, and process-critical applications. Balanced and aligned correctly, this model runs smoothly and provides predictable service performance.

Thelco Support You Can Count On

Thelco supplies CNG pumps, Alloy 20 casings, impellers, sleeves, glands, shafts, and seal components, backed by our in-house machining and balancing. In addition to CNG pumps, Thelco stocks and supports:

• Worthington D800 Series

• D1000 Series

• D500 Series

• LR & LLR split-case pumps

• Gear pumps

When operations require chemical resistance and full hydraulic output, the Worthington 3CNG84 Alloy 20 stands read and Thelco ensures it performs.