New resin/catalyst pump reduces flow variation.A new high-precision pumping system is claimed to significantly reduce catalyst-to-resin ratio variation and to help eliminate problems like porosity porosity /po·ros·i·ty/ (por-os´it-e) the condition of being porous; a pore. po·ros·i·ty n. 1. The state or property of being porous. 2. , prerelease pre·re·lease n. Something released before an official or scheduled date. adj. Of or relating to an interval preceding an official or scheduled release: , and gelcoat A gelcoat is a material used to provide a high quality finish on the visible surface of a fibre-reinforced composite material. The most common gelcoats are based on epoxy or unsaturated polyester resin chemistry. cracking. The Patriot from Magnum Venus Products, Clearwater, Fla., is a positive-displacement pump for open and closed-mold processes that reportedly delivers [+ or -] 0.1% ratio control and [+ or -] 1% or better resin flow control. Typical ratio variance in the industry is 7% to 10% and as high as 30%, the company says. Resin flow can vary up to 25%. Pump output is up to 30 lb/min. A key feature is a hardened displacement rod coated with a thick hard-chrome layer for longer wear life. Also, special "self-healing" seals for the resin and catalyst pumps have a very low coefficient of friction coefficient of friction n. pl. coefficients of friction The ratio of the force that maintains contact between an object and a surface and the frictional force that resists the motion of the object. and are said to greatly reduce heat build-up build·up also build-up n. 1. The act or process of amassing or increasing: a military buildup; a buildup of tension during the strike. 2. and wear. The seal does not require packing adjustment. In addition, the redesigned catalyst pump includes a soft-stop inlet valve that allows for a positive sealing surface with a stop to maintain flow and reduce inlet ball wear. Tel: (727) 573-2955 * www.mvpind.com [ILLUSTRATION OMITTED] |
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