Putting a cork on abrasive fluids

Article Abstract:

McCanna Plant Specialty Inc., along with Arco Chemical Co., developed a special valve design that prevents leaks and reduces maintenance costs in toluene-diisocyanate process. The valve ball is manufactured of ceramic material that can withstand corrosion. It is also made of sealing materials that showed zero leakage when tested at the manufacturer's laboratories. In addition, the bonnet gasket is made of Hastelloy C and spiral-wound PTFE that can tolerate thermal cycling effects. The new valve design enabled Arco Chemical to reduce maintenance and shutdown costs related with broken valves.

Comment:

Along w/ McCanna Plant Specialty Inc, develops special valve design that prevents leaks & cuts maintenance costs in TDI process

Metal Valve Manufacturing, Valves & Pipe Fittings, ARCO Chemical Co., Article, McCanna Plant Specialty Inc.

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Analyzing trends has never been easier

Article Abstract:

Mathematical and statistical software companies are coming up with upgrades that emphasize ease of use and integration. Examples of this trend include MathSoft's introduction of a Mathcad version with a numerics engine and the openGL application programming interface, and SPSS Inc's development of stand-alone products that can be utilized in conjunction with its flagship statistical product, Systat.

Mathematical software

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