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Worthington CNG Pumps Built for Corrosive Applications

Today’s Thelco Pump of the Day features the Worthington 1CNG-42, built with Alloy 20 construction and equipped with a full diameter impeller (4.75”) for maximum performance in demanding environments.

Right away, this unit stands apart from standard configurations. While traditional Worthington pumps handle general service, the CNG series is designed specifically for corrosive and chemical applications where material selection matters most.

Alloy 20 Construction for Chemical Resistance

First, the 1CNG-42 uses Alloy 20 throughout the wetted components, providing:

  • Excellent resistance to corrosive fluids
  • Reliable performance in chemical processing
  • Extended service life in aggressive environments

Because of this, operators choose Worthington CNG pumps when standard iron or stainless configurations are not enough.

Full Diameter Impeller for Maximum Output

Next, this unit features a full diameter 4.75” impeller, allowing the pump to:

  • Deliver maximum hydraulic performance
  • Maintain consistent flow rates
  • Operate efficiently at designed conditions

As a result, the pump runs at its full capability without sacrificing performance.

Worthington Pump Parts Available at Thelco

In addition, Thelco stocks Worthington pump parts for CNG and centrifugal pump lines, allowing customers to quickly source:

  • Impellers and rotating assemblies
  • Mechanical seals and sleeves
  • Bearings and internal components
  • Replacement parts for D800, D1000, and CNG pumps

Because of this, maintenance teams can restore performance quickly and avoid long lead times.

Built for Specialized Applications

Unlike general service pumps, the Worthington 1CNG-42 is engineered for controlled, reliable performance in chemical systems. It is well suited for:

  • Chemical processing
  • Corrosive fluid handling
  • Industrial transfer systems
  • Specialty applications requiring Alloy 20

Why Thelco?

At Thelco, we specialize in Worthington pumps and Worthington pump parts, including:

  • D800, D1000, and D500 series pumps
  • CNG pumps in Alloy 20 construction
  • LR and LLR split case pumps
  • Gear pumps and parts

In summary, with inventory on hand, we help customers reduce downtime and keep operations running.