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News

GT develops advanced explosive decompression resistant elastomer

Greene Tweed & Co Benelux BV : 25 May, 2006  (New Product)
In response to customer requests, Greene, Tweed has recently designed a new explosive decompression resistant fluorocarbon elastomer with broader chemical compatibility, improved compression set and lower temperature resistance than any other explosive decompression resistant fluorocarbon material.
This high-performance elastomer, FKM 935, offers chemical resistance to methanol, sour gas up to 20%, and improved resistance to hot water, steam and corrosion inhibitors. FKM 935 increases the availability of equipment by preventing failures due to unexpected pressure drops. Additionally, the superior properties reduce maintenance costs and mean time between failure while extending equipment life.

Explosive decompression often occurs when high-pressure gas molecules migrate into an elastomer at a compressed state. When the pressure surrounding the elastomer is released suddenly, the compressed gas inside the elastomer tries to expand and exit the elastomer. This gas expansion can cause seal damage, such as tears, blisters and cracks. Greene, Tweed's FKM 935 provides superior explosive decompression resistant properties delivering significant benefits to users in the hydrocarbon refining, pipeline and oilfield industries. Explosive decompression resistant FKM 935 improves the reliability of compressor components, valves, and pumps. Pipeline applications requiring seals that maintain their properties at low temperatures down to -35F can benefit from FKM 935. This material can also deliver unmatched performance in hostile oilfield environments.

Greene, Tweed's FKM 935 is available as O-rings, GT rings and in other custom-molded shapes. Jonathan Pledger, Greene, Tweed's Fluid Handling general manager, notes, 'Explosive decompression resistant FKM 935 provides unsurpassed value because it maintains its sealing properties in spite of pressure swings, thus preventing leaks and increasing the reliability of mechanical equipment.'

Greene, Tweed leverages expertise in a variety of markets and products to give customers the most innovative solutions to meet performance challenges and reduce total cost of operation. With fully qualified engineering, sales and support personnel located throughout the Americas, Europe and Asia, Greene, Tweed delivers solutions to individual customer applications on a global scope. Greene, Tweed products are sold and distributed worldwide. For additional information, contact Greene, Tweed at +1.281.821.2094.
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