Calpeda End Suction Centrifugal Pumps

Calpeda end-suction centrifugal pumps are compact, single-stage units designed for efficient and reliable fluid transfer across domestic, commercial, and industrial applications. Featuring an axial inlet and radial discharge, they ensure smooth, consistent flow while remaining straightforward to install and maintain.

Many models incorporate close-coupled or base-mounted configurations, high-efficiency impellers, and robust mechanical seals, supporting continuous duty and long service life. Their design often allows for easy servicing, with back pull-out options on selected models to simplify maintenance. Constructed from durable materials such as cast iron, bronze, or stainless steel, they are widely used for water supply, HVAC systems, irrigation, and general industrial processes, providing a dependable and cost-effective pumping solution.

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Calpeda End Suction Centrifugal Pump Range

N / N4 Series

These end‑suction pumps come in N at 2 900 rpm and N4 at 1 450 rpm. They handle flows from 2.4 to 480 m³/h with heads up to 95 m and power up to 75 kW. Back‑Pull‑Out design allows easy dismantling. Made in cast‑iron or bronze they offer mechanical seal or stuffing box options and work at up to 8 bar. Ideal for water supply, heating, cooling, fire‑fighting and irrigation.

NM / NMD

NM and NMD are close‑coupled pumps with threaded ports. NM has a single impeller and NMD has dual impellers for higher pressure. They handle flows from 1 to 66 m³/h with heads up to 114 m and motor power up to 9 kW. Made in cast‑iron or bronze they are suitable for water supply, HVAC, irrigation and fire‑fighting. Ideal for clean fluids and compact installations with easy maintenance and reliable long‑term performance.

NMS

NMS models have flanged connections and handle flows up to 480 m³/h with heads up to 95 m and power up to 75 kW. NMS4 runs at 1 450 rpm for quieter operation in noise‑sensitive environments. Made in cast‑iron or bronze they are ideal for water supply, HVAC, irrigation and fire‑fighting. Suitable for clean fluids with axial suction, radial delivery and mechanical seal or stuffing box options

NM4 / NMS4

These 1 450 rpm pumps run quietly for low‑noise installations. They match the specifications of NM and NMS models. Designed for clean liquids up to 0.2% solids, they come in cast‑iron or bronze. Features include axial suction, radial delivery, stub‑shaft motors with thrust bearings, and mechanical seal or stuffing box options for reliable water, HVAC, irrigation and fire‑fighting applications.