Calpeda NCD Three speeds circulating twin pumps with flanges
NCD Three speeds Circulating twin Pumps with flanges
Construction:
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 |
Applications
-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 circulating plants.
-For civil and industrial applications.
-When low noise operation is required.
Operating conditionsa
Temperature of liquid: - from -10 °C to +120 °C (in short-time duty up to +140 °C.
Ambient temperature up to 40 °C
Maximum glycol qunatity: 50% (Mixture with more than 20% glycol content require rechecking of the pumping data).
Maximum permissible working pressure: 6/10 bar
type | Minimum suction pressure: bar |
||
50 °C | 80 °C | 110 °C | |
NCD 40 | 0,05 | 0,8 | 1,4 |
NCD 50 | 0,3 | 1 | 1,6 |
NCD 65 | 0,3 | 1 | 1,6 |
NCD 80 | 0,3 | 1 | 1,6 |
Motor
2-4-pole induction motor, 50 HZ.
Three adjustable speeds.
NCD: three-phase 230 V or 400 V.
NCDM: single-phase 230 V.
Insulation class: H.
Protection IP 43.