CALPEDA

SKU:NMM 40/12C/A | 6050034100000

NM - NMS

Cast Iron

Delivery Time: For delivery lead times on this product, please contact the office.

Calpeda NM | NMM Close-Coupled Centrifugal Pumps:

Single and multi-stage pumps with threaded ports for domestic and industrial fluid handling.

Flow: 1 to 66 m³/h
Head: 3.5 to 114 m
Power: 0.37 to 9.2 kW

Performance:
The Calpeda NM and NMM pumps are close-coupled centrifugal pumps designed for clean liquid transfer in both residential and industrial systems. The NM range features single-impeller models, while the NMM models are multi-stage, offering higher head performance in compact form. All pumps are equipped with extended shaft motors for space-efficient operation and supplied fully painted.

Applications:
Suitable for pumping clean liquids (solids content up to 0.2%) that are non-abrasive and non-aggressive. Typical uses include:

• Water supply

• Heating, cooling, and circulation systems

• Air-conditioning and boiler feed

• Civil and industrial installations

• Irrigation systems

Construction:

• NM: Single-stage centrifugal pump

• NMM: Multi-stage centrifugal pump

• Pump casing and lantern bracket in cast iron (BNM/BNMM in bronze available separately)

• Impellers in brass (cast iron on NM17)

• Threaded connections ISO 228/1 (BS 2779)

• Extended shaft motor coupling

• Fully painted for protection

Operating Conditions:
Liquid temperature: -10 °C to +90 °C
Ambient temperature: Up to 40 °C
Total suction lift: Up to 7 m
Max casing pressure: 10 bar
Continuous duty (S3 60% for single-phase motors 1.5–1.8 kW)

Motor:

• 2-pole induction motor, 50 Hz (n ≈ 2900 rpm)

• NMM: Single-phase 230 V ±10% with thermal protection

• Three-phase: 230/400 V (≤3 kW) and 400/690 V (≥4 kW)

• Insulation class F, IP54 protection

• Frequency converter compatible (from 0.75 kW)

• Efficiency class: IE2 (single-phase ≤1.1 kW), IE3 (three-phase >0.65 kW)

• Built to EN 60034-1, EN 60335-1, EN 60335-2-41

Delivery:
Free UK mainland delivery from Pumps & Gearboxes Direct.