Calpeda Pumps

SKU:NMM 40/12C/A | 6050034100000

Delivery Time: 2-3 Weeks Lead Time

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 residential and industrial systems. The NM range features single-impeller models, while NMM models are multi-stage, offering higher head performance in a compact footprint. All pumps are fitted with extended shaft motors and are fully painted for protection.

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 (bronze BNM/BNMM available separately)
• Impellers in brass (cast iron on NM17)
• Threaded connections ISO 228/1 (BS 2779)
• Extended shaft motor coupling
• Fully painted for corrosion resistance

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), 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)
• Compliant with EN 60034-1, EN 60335-1, EN 60335-2-41 standards

Delivery:
Free UK mainland delivery from Pumps & Gearboxes Direct