EGC releases new dures thermoplastics for performance critical pumps

EGC Critical Components, a manufacturer of high-performance thermoplastic performance-critical components, has announced its dures brand of materials.

The new family of proprietary thermoplastic polymer composites developed specifically for the manufacture of bushings, bearings, and wear rings in pumps handling a wide range of liquids, including those that contain solid matter.

The material, produced exclusively by EGC, is in stock and immediately available to address the maintenance, upgrade, and repair needs of pumps operating in a wide range of performance demanding environments including refineries, chemical plants, and pipelines.

In the refinery environment, EGC estimates that approximately 60% of pumps currently in operation can benefit from the material.

The dures family of polymer solutions includes four products with unique performance characteristics: dures 150, dures 250, dures A451 and dures XPC2.

Dures 150 and 250 are the most recent additions to this family of composite formulations.

They were developed to meet the need for chemical, thermal shock and impact, and abrasive resistance, with a temperature range of 65˚C and 120˚C.

Dures polymers provide greater wear performance than many other materials such as rubber or bronze, offer greater abrasive resistance, dry run capability, and vibration dampening with negligible hydrolysis or swell.

Dures A451, produced from chop carbon fibre and reinforced compression moulded PEEK, is used in the manufacture of bushings, bearings, and wear rings with high chemical resistance and non-galling and non-seizing properties.

It is not suited for abrasive applications or operating temperatures above 135˚C.

In comparison, dures XPC2, formulated from continuous carbon fibre with PEEK base polymer, is recommended and approved for operating temperatures up to 285˚C making it appropriate for use in boiler feed and process pumps.

Dures A451 and XPC2 have been successfully used by industry for many years.

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