Pump Calpeda NR series – is an inline circulation pump, used both in the household and in industry. For non-aggressive liquids from -10 oWith up to +100 ° C, free of abrasives. Calpeda NR 50/160B/A is made of durable cast iron, with one impeller and a dry rotor, the motor shaft is chrome steel. It is equipped with a carbon ceramic NBR TYPE3 R X6H62V6D24. We offer replacement of the mechanical seal 16006060000 with mechanical seals in other materials, specifically for your environment and conditions.