Kalrez® Perfluoroelastomer Parts

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Critical Seals in HDPCVD Processes

Critical Seals in HDPCVD Processes

Kalrez® 9100 parts were tested in some of the most critical seal positions. In most HDPCVD processes elastomer sealing materials can be a weak link because of the need for seal replacement during preventive maintenance procedures. Kalrez® 9100 parts double or even triple the lifetime of seals in HDPCVD processes.

Kalrez® KVSP™ valve stem packing saves 56.000 £

Kalrez® KVSP™ valve stem packing saves 56.000 £

Kalrez® KVSP™ valve stem packing, a solution to help reduce fugitive emissions, valve leakage and provide improved control — saves BP Chemical over 56.000 £ per valve annually, cuts shutdowns.

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® parts in API Handling Processes

Kalrez® parts in API Handling Processes

Kalrez® custom parts are used for valve seats in pharmaceutical docking valves, sealing aggressive organic solvents, sterilization streams and high-purity chemicals for API docking valve.

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.

Parts for Amine Resistance

Parts for Amine Resistance

A major chemical company switched to Kalrez® Spectrum™ 6380 perfluoroelastomer parts to improve amine resistance & extend mean time between repairs. Improvement of up to 3x in MTBR achieved in a mechanical seal for hot, aggressive amines.

Pharmaceutical Seals for CIP and SIP

Pharmaceutical Seals for CIP and SIP

Hilge-Pumpen selected Kalrez® seals for their chemical resistance and seal life performance in order to meet the stringent clean in place requirements demanded by the pharmaceutical, biotechnology and cosmetics industries.

Process Instrument Gaskets

Process Instrument Gaskets

By switching from gasket seals of PTFE to custom gaskets of DuPont™ Kalrez® perfluoroelastomer parts in the sensor head of a process instrument refractometer used by the food, pulp and paper and chemical industries, process instrument manufacturer.

Sealing Collaboration Pays Dividends in Chamber Cleaning

Sealing Collaboration Pays Dividends in Chamber Cleaning

Chamber cleaning with NF3 / O2 plasma increased maintenance at Spansion due to seal erosion. Kalrez® 9100 parts improved productivity and reduced cost-of-ownership. Kalrez® 9100 parts were successfully qualified in both thin films and dry etch tools.

Sealing Solutions for Clamping Systems

Sealing Solutions for Clamping Systems

Heavy duty hydraulic clamping systems developed and manufactured by Hilma-Römheld are used to hold large hot dies in exact position on forging machines, use Kalrez® Spectrum™ 7075 sealing solutions.

Seals for Siemens Process

Seals for Siemens Process

Kalrez® PV8070 perfluoroelastomer washers and gaskets in reactors for the Siemens polycrystalline silicon process provide superior sealing capability.

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