Kalrez® O-rings

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Kalrez® O-rings for Hydrogen Sulfide Removal

Kalrez® O-rings for Hydrogen Sulfide Removal

Amine units for hydrogen sulfide removal (H2S) at high temperatures use elastomers like Kalrez® Spectrum™ 6380 FFKM parts for resistance to amines. 6380 helps extend MTBR of valves and pumps in amine service.

Kalrez® Spectrum™ 6375 O-rings for PTFE replacement

Kalrez® Spectrum™ 6375 O-rings for PTFE replacement

Kalrez® Spectrum™ 6375 O-rings for the chemical process industry are used as PTFE replacement in a wide range of chemicals. Dow AgroSciences have extended the lifetime of seals fitted to their product filling line from one day to an average of two months, an improvement of some 6000%, by replacing O-rings of PTFE.

Metal O-rings Replacement

Metal O-rings Replacement

By replacing metal O-rings with DuPont™ Kalrez® O-rings in gear pumps designed to operate in temperature up to 300 °C and pressure of 100 bar, Gather Industrie GmbH, Mettmann, Germany, has solved the problem of seal deformation.

Natural Gas Sampling and Delivery

Natural Gas Sampling and Delivery

Natural gas delivery is a challenge throughout the world. During its journey through miles of pipeline, natural gas can become contaminated with moisture, air and chemicals. Kalrez® parts solve sealing problems in natural gas sampling systems.

O-rings for Gas Sweetening Valves

O-rings for Gas Sweetening Valves

Kalrez® 7090 perfluoroelastomer parts offer an excellent combination of chemical, Rapid Gas Decompression (RGD) resistance , and high temperature resistance for O-ring applications in gas sweetening valves that handle glycol-based solvents.

O-rings in Pressurized Water Reactor

O-rings in Pressurized Water Reactor

Due to the combination of extreme temperature, pressure and chemical environments, Kalrez® 0090 was used in a series of mechanical seals employed in the operation of boiler feed pumps for pressurized water reactors.

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