Calpeda in-line centrifugaalpomp NR(D), NR4

The NR(D), NR4 series close-coupled in-line centrifugal pumps are suitable for pumping clean, non-aggressive liquids with a solids content of up to 0.2%. The in-line pumps are often applied in heating, air-conditioning, cooling, and circulation systems. NR, NR4: Single head pump NRD: Double head pump with built-in automatic switching valve. The two pump heads can operate separately or in parallel Available on request Other voltages Frequency 60 Hz Protection class IP55 Special mechanical seal Suitable for higher or lower liquid and/or ambient temperatures