Grundfos - CRN3-31 A-P-A-E-HQQE Vertical Multi-Stage Pump - 400V - Three Phase - 50 Ltr/min. - Stainless Steel

Vertical, multi-stage centrifugal pump unit with inlet and outlet ports on same the level (inline). Pump materials in contact with the liquid are in high-grade Stainless Steel. A cartridge shaft seal ensures high reliability, safe handling, and straightforward access and service. Power transmission is via a rigid split coupling. Pipe connection is via PJE (Victaulic®) couplings. The pump is equipped with a 3-phase, fan-cooled asynchronous motor.

Suitable for: Commercial heating, Commercial air conditioning, Commercial water pressure boosting, District heating, District cooling, Machining, Industrial cleaning process, Process liquids transfer, Industrial heating, Industrial cooling, Industrial water supply and transfer, Industrial wastewater treatment and reuse, Industrial process water treatment, Desalination, Reverse osmosis, Surface water intake, Drinking water treatment, Water distribution, Irrigation, Solar water solutions, Community water supply

Real-world product applications

• Pressure boosting for water supply systems
• Feeding distribution networks requiring higher pressure
• Supporting irrigation and washdown water delivery
• General clean-water transfer for utility systems
• Supplying water to buildings and equipment

Key Product Features

• Net weight: 48.1 kg
• Mains frequency: 50 Hz
• Approvals: CE,EAC,UKCA,SEPRO,RCM,
• Rated Head: 153.2 m
• Max Head: 206.6 m
• Rated Flow: 3 m³/h
• Product Voltage: 3 x 220-240D/380-415Y V
• Temperature Liquid Range: -20 .. 120 °C
• Pumped Liquid: Water
• Type of connection: PJE
• Maximum Operating Pressure: 25 bar
• Impeller Material: Stainless Steel

This is a Grundfos Multistage pump built for high-pressure water supply applications.

Grundfos (est. 1945) is a Danish pump manufacturer known for high-efficiency circulators, multistage boosters, borehole and wastewater pumps, plus packaged pressure systems. The range covers HVAC circulation, domestic hot water recirculation, pressure boosting, industrial water transfer and public water management, with strong focus on energy efficiency and intelligent controls.