Cost-efficient valve design

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offers two-way-tight, single-seat feature

Pumps, Valves & Compressors

Cost-efficient valve design
Cost-efficient valve design

Metso has strengthened its product offering with the addition of a valve design derived from their traditional V-port segment valve series. The two-way-tight, single-seat design is suitable for a wide range of applications and is available for R-series valves. The optional two-way-tight feature covers the size range from DN25 up to DN700 (1” up to 28”) in all available pressure classes. With our V-port segment valve series, we are able to improve process performance and reduce variability in control applications. However, there are a lot of applications where two-way-tight, on-off type performance is required. The customer benefit of the new V-port segment valve design is that it offers the possibility of combining control and on/off performance in a single valve assembly. The standard bi-directional shut-off classifications of the V-port segment valves are according to 10x ISO Rate D / FCI 70.2 Class IV; optional improved tightness classes are ISO Rate D / FCI 70.2 Class V @ dp 20 bar. One of Metso’s paper mill customers installed a DN 600 RE flanged, V-port segment valve in a steam discharge application. In this particular case, low-pressure, superheated steam flows through the two-way-tight valve at 200 deg C. A traditional valve solution for this application would have been a two-way-tight ball valve. However, by selecting the new two-way-tight, V-port segment valve, the customer was able to save 50% on his capital costs. In pulp mills there are many applications where two-way tightness is required. For example, there are many such valves next to batch– and continuous digesters. In the bleaching department, the on-off valve after the chemical mixer is typically quite large and can require the two-way tightness feature. The two-way-tight option is available for both RA and RE valve series for all standard pressure classes and flange drillings. It is also available in all standard body materials.

Posted on June 24, 2011 - (13416 views)
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Neles Corporation
Vanha Porvoontie 229 PO Box 304
01301 Vantaa - Finland
+358 10 417 5000
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