Richter, a leading supplier of PFA-lined pump and valve solutions, has a new size control ball for its KNR and KNAR valve series. Increasing production quantities in the chemical and petrochemical industries require larger diameter pipelines, which mean bigger valves are also needed.
In today’s plants, everything is optimised for maximum possible capacity and best economic results. Richter anticipated these changing requirements with the launch of its largest PFA-lined control ball for the KNR/F DN200 and the KNAR/F 205 mm valves. The optimisation of flow behaviour supported by CFD (computational fluid dynamics) ensures maximum stable flow with minimum pressure losses. The geometric shape ensures low turbulence through the flow range and control characteristics with true equal percentage curves at flow rates up to a KV of 1000 m³/h (CV = 1156 gpm). Other features include:
• Universal chemical resistant PFA lining.
• Permeation and vacuum resistant construction.
• Higher efficiency due to better control behaviour especially in the lower range.
• Lower operating costs through increased capacity.
Richter’s proven KNR design with play-free one-piece ball shaft, leak-free labyrinth seal and maintenance-free stem sealing ensures a long operating life and maximum safety.
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