Greene, Tweed launches WR™014 pump components for reliability in acid environments

Greene, Tweed & Co Benelux is introducing a new material for pump components that have to operate in acidic conditions. This new thermoplastic composite, which is called WR™014, is primarily designed for rings, bushes, seals and wear plates in pumps in the chemicals and petro-chemical industries. The material consists of a modified fluoropolymer matrix, strengthened with long strand carbon fibers. These ensure excellent wear resistance and good self-lubricating characteristics in almost all conceivable conditions.

Apart from its high resistance to all sorts of chemicals and corrosion WR™014 has a very low coefficient of thermal expansion. It can thus be used with much more smaller tolerances than other materials. It can therefore prevent underpressure leaking away, so that the pump efficiency is clearly increased. With this and its other material characteristics WR™014 is an excellent alternative to metallic, carbon, graphite or other polymer-based pump components.

Greene, Tweed Benelux holds plentiful stocks of semi-finished WR™014 products. These can be manufactured within a week to the client’s exact specifications in the company’s Quick Response Center, which was set up last year. The material is available in diameters varying from 1 inch (2.54 cm) to 33 inch (83.82 cm) and in lengths up to 8 inch (20.32 cm) depending on diameter and wall thickness.

“We have everything here in house to be able to supply customers rapidly with bushes, rings and seals for all kinds of pumps,” Rob van de Velde, General Manager of Tweed & Co Benelux points out. “Apart from WR™014 we also have various other high-quality carbon-fiber reinforced composites.

This means when we manufacture pump components we can choose the best material for the type of pump and the operating conditions, “ adds Van de Velde. “Especially in critical operating situations it is, after all, really important to our clients to have an optimally operating pump back in service as quickly as possible, and without waiting for weeks.”

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