GRUNDFOS CR 5

GRUNDFOS CR5 Vertical, multistage centrifugal pump with suction and discharge ports on the same level. The pump head and base are in cast iron – all other wetted parts are in stainless steel (EN 1.4301)A cartridge shaft seal ensures high reliability, safe handling and easy service and access. Power transmission is via a split coupling. Pipework connection is via oval flanges with internal Rp threads.
APPLICATION
Commercial air conditioning.
Commercial fire protection.
Commercial heating.
Commercial water pressure boosting.
District cooling.
District heating.
Drinking water treatment.
Irrigation.

Features and benefits
Reliability
High efficiency
Service-friendly
Space-saving
Suitable for slightly aggressive liquids

Specifications

Pumped liquid: Water
Liquid temperature range: -20 .. 120 °C
Liquid temp: 20 °C
Density: 998.2 kg/m³

Technical:
Speed for pump data: 2853 rpm
Rated flow: 5.8 m³/h
Shaft seal: HQQE
Approvals on nameplate: CE,TR
Curve tolerance: ISO 9906:1999 Annex A

Materials:
Pump housing: Cast iron
Pump housing: EN-JL1030
Pump housing: ASTM A48-30 B
Impeller: Stainless steel
Impeller: DIN W.-Nr. 1.4301
Impeller: AISI 304

Installation:
Maximum ambient temperature: 60 °C
Max pressure at stated temp: 25 bar / 120 °C
Max pressure at stated temp: 25 bar / -20 °C
Flange standard: DIN
Pipe connection: DN 25 / DN 32
Pressure stage: PN 16 / PN 25
Flange size for motor: FT100