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NC3

NC3

Product catalog summary

Construction
Pumps feature a casing with suction and delivery connections of the same diameter and axis (in-line). They can be equipped with brass or cast iron unions upon request. The pump casing is made of cast iron, while the impeller is composite. The shaft is available in stainless steel or ceramic.

Applications
These pumps are suitable for clean, non-abrasive liquids that do not react aggressively with pump materials. They are used in civil and industrial heating systems.

Operating Conditions
The liquid temperature range is from +5 °C to +110 °C, with some models accommodating -10 °C to +110 °C. The ambient temperature should not exceed 40 °C. The sound pressure level is ≤ 43 dB (A). The maximum glycol content is 50%, and mixtures with more than 20% glycol require rechecking of pumping data. The maximum permissible working pressure is 10 bar.

Motor Specifications
The pumps are powered by a 2-pole induction motor operating at 50 Hz with three adjustable speeds. They are single-phase 230 V with insulation class H and protection class IP 44.

Installation
Various installation kits are available depending on the model, with different connection sizes ranging from G 1 to G 2.

Performance and Dimensions
The document includes detailed characteristic curves, dimensions, and weights for various models, indicating performance metrics such as flow rate (Q) and head (H).

Regulatory Note
These pumps cannot be sold in the EU.

Catalog excerpts

Three speeds circulating pumps with threaded ports CANNOT BE SOLD IN THE EU Construction Pump casing with suction and delivery connections with the same diameter and on the same axis (in-line). Brass or cast iron unions on request. Materials Pump casing Impeller Shaft NC3 ..40-50-60 Cast iron Composite Stainless steel NC3 ...70-80-85-120 Cast iron Composite Ceramic For clean liquids, without abrasives, which are non-aggressive for the pump materials. Civil and industrial heaty sistems. Unions Bocchettoni Operating conditions Liquid temperature from +5 °C to +110 °C (from -10 °C to +110 °C for NC3 ..-70 and NC3 ..-80-85-120). Ambient temperature up to 40 °C. Sound pressure ≤ 43 dB (A). Maximum glycol quantity: 50% (Mixture with more than 20% glycol content require recheking of the pumping data). Maximum permissible working pressure 10 bar. Manchons Uniones TIPO - TYPE - TYP TYPE Minimum suction pressure: bar Temperature 50 °C 80 °C 110 °C 2-pole induction motor, 50 Hz. Three adjustable speeds. NC3: single-phase 230 V. Insulation class H. Protection IP 44. Designation Series DN ports in mm Max. head in dm connection size mm

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