Skip to content
Pumptastic™ Official Store - For All Your Pump & Parts Needs. Free Shipping For Orders Over $100 - Australia Wide via Australia Post - Call Our Expert Pump Experts at +61 8 63845884 To Find the Right Pump for you Call us
Featured In

Grundfos CRN 3-21 A-CA-A-V-HQQV Vertical Multistage Centrifugal Pump – 96735574 (3 x 220-240D/380-415YV)

SKU 96735574
Original price $3,427.88 - Original price $3,427.88
Original price
$3,427.88
$3,427.88 - $3,427.88
Current price $3,427.88

📢 For orders over $100, FREE Shipping Australia-wide

The Grundfos CRN 3-21 is a vertical, inline multistage centrifugal pump designed for high-pressure water applications. All wetted parts, including impellers and intermediate chambers, are made of stainless steel EN 1.4401 (AISI 316), with the base and pump head in stainless steel EN 1.4408. It features a single HQQV cartridge shaft seal for reliable, safe operation and easy service. The pump connects via FlexiClamp (CA) DN 32 couplings and is powered by a 2.2 kW IEC 90LE three-phase motor with IE3 efficiency and IP55 protection.

Suitable Applications

  • Commercial heating and air conditioning
  • Commercial water pressure boosting
  • District heating and cooling
  • Machining and wash/clean processes
  • Industrial liquid transfer, heating, and cooling
  • Industrial water supply and wastewater treatment
  • Desalination and reverse osmosis systems
  • Surface water intake and drinking water treatment
  • Water distribution and irrigation
  • Solar water solutions and solar boosting
  • Community water supply and groundwater transfer
  • Livestock and wildlife watering
  • Agricultural applications: pivot irrigation, fertigation, chemigation
  • Frost protection and municipal water systems

Key Specifications

Product Name CRN 3-21 A-CA-A-V-HQQV
Product Number 96735574
EAN 5700838138061
Pump Type Vertical Multistage Centrifugal
Rated Flow 3 m³/h
Rated Head 103.6 m
Maximum Head 139.9 m
Speed (Pump Data) 2899 rpm
Stages / Impellers 21 / 21
Reduced-Diameter Impellers 0
Shaft Seal HQQV (Single)
Liquid Temperature Range -20 .. 90 °C
Maximum Operating Pressure 25 bar
Connections DN 32 (1 1/4"), FlexiClamp (CA), PN 25
Base / Head Material Stainless Steel (EN 1.4408 / AISI 316)
Impeller Material Stainless Steel (EN 1.4401 / AISI 316)
Bearing SIC
Motor Power (P2) 2.2 kW
Voltage 3 x 220-240D / 380-415Y V
Frequency 50 Hz
Rated Current 8.00 / 4.60 A
Motor Efficiency Class IE3
Motor Efficiency (Full Load) 85.9 %
Enclosure Class IP55
Insulation Class F
MEI ≥ 0.70
Net / Gross Weight 38.7 / 41.6 kg
Shipping Volume 0.13 m³
Motor No 85U01908
Approvals CE, EAC, UKCA, SEPRO, RCM, WRAS, ACS

Documentation & Downloads

Grundfos CRN 3-21 Datasheet Download

The Grundfos CRN 3-21 is a vertical, inline multistage centrifugal pump designed for high-pressure water applications. All wetted parts, including impellers and intermediate chambers, are made of stainless steel EN 1.4401 (AISI 316), with the base and pump head in stainless steel EN 1.4408. It features a single HQQV cartridge shaft seal for reliable, safe operation and easy service. The pump connects via FlexiClamp (CA) DN 32 couplings and is powered by a 2.2 kW IEC 90LE three-phase motor with IE3 efficiency and IP55 protection.

Suitable Applications

  • Commercial heating and air conditioning
  • Commercial water pressure boosting
  • District heating and cooling
  • Machining and wash/clean processes
  • Industrial liquid transfer, heating, and cooling
  • Industrial water supply and wastewater treatment
  • Desalination and reverse osmosis systems
  • Surface water intake and drinking water treatment
  • Water distribution and irrigation
  • Solar water solutions and solar boosting
  • Community water supply and groundwater transfer
  • Livestock and wildlife watering
  • Agricultural applications: pivot irrigation, fertigation, chemigation
  • Frost protection and municipal water systems

Key Specifications

Product Name CRN 3-21 A-CA-A-V-HQQV
Product Number 96735574
EAN 5700838138061
Pump Type Vertical Multistage Centrifugal
Rated Flow 3 m³/h
Rated Head 103.6 m
Maximum Head 139.9 m
Speed (Pump Data) 2899 rpm
Stages / Impellers 21 / 21
Reduced-Diameter Impellers 0
Shaft Seal HQQV (Single)
Liquid Temperature Range -20 .. 90 °C
Maximum Operating Pressure 25 bar
Connections DN 32 (1 1/4"), FlexiClamp (CA), PN 25
Base / Head Material Stainless Steel (EN 1.4408 / AISI 316)
Impeller Material Stainless Steel (EN 1.4401 / AISI 316)
Bearing SIC
Motor Power (P2) 2.2 kW
Voltage 3 x 220-240D / 380-415Y V
Frequency 50 Hz
Rated Current 8.00 / 4.60 A
Motor Efficiency Class IE3
Motor Efficiency (Full Load) 85.9 %
Enclosure Class IP55
Insulation Class F
MEI ≥ 0.70
Net / Gross Weight 38.7 / 41.6 kg
Shipping Volume 0.13 m³
Motor No 85U01908
Approvals CE, EAC, UKCA, SEPRO, RCM, WRAS, ACS

Documentation & Downloads

Grundfos CRN 3-21 Datasheet Download
    Call Now