Standardized monoblock pumps for pressurization, water circulation in conditioning and heating even in the presence of solar thermal panels in commercial building service and for irrigation systems also in agriculture. NKM-G has a four-pole motor, NKP-G has a two-pole motor. Cast iron single-impeller pump body compliant with DIN EN 733 (ex DIN 24255) and flange according to DIN 2533 and DIN 2532. Cast iron or bronze hydraulically balanced impeller with optional wear rings. Standardized mechanical seal according to DIN 24960. Air-cooled asynchronous motor. Wide range of supported temperatures. The pumps are able to generate high heads and they can handle large flow rates.