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Calpeda NCD Three speeds circulating twin pumps with flanges

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.

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