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NCD
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Three speeds circulating twin pumps with flanges CANNOT BE SOLD IN THE EU Construction Single operation Operation of a single pump choosed by the customer, with the second pump on stand-by Pump casing with suction and delivery connections with the same diameter and on the same axis (in-line). Materials: Pump casing Cast iron Impeller Stainless steel Shaft Stainless steel For clean liquids, without abrasives, which are non-aggressive for the pump materials (contents of solids up to 0.2%). For heating, conditioning, cooling and circulation plants. For civil and industrial applications. When low noise operation is required. Double operation Operation in parallel of the two pumps Operating conditions Liquid temperature from -10 °C to +120 °C (in short-time duty up to + 140 °C). Ambient temperature up to 40 °C. Maximum glycol quantity: 50% (Mixture with more than 20% glycol content require recheking of the pumping data). Maximum permissible working pressure 6/10 bar. TYPE NCD 40 NCD 50 NCD 65 NCD 80 Cross section drawings 2-4-pole induction motor, 50 Hz. Three adjustable speeds. NCD: three-phase 230V or 400 V. NCDM: single-phase 230 V. Insulation class H. Protection IP 43. Series Twin pumps version Single-phase motor 4-pole motor DN ports in mm Max. head in dm connection size mm

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Three speeds circulating twin pumps with flanges Tolerances in accordance with UNI EN ISO 9906:2012 Tolerances in accordance with UNI EN ISO 9906:2012

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KI ^ ^\ A A Three speeds circulating twin pumps Characteristic curves, dimensions and weights

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Three speeds circulating twin pumps with flanges Characteristic curves, dimensions and weights Single operation Operation in parallel Single operation Operation in parallel

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