PMP-450S Pump, ID 13mm (1/2in) (Refurb)

Part No. PMP-450S-R In-Stock Icon In Stock FedEx orders placed in the next 7 hrs, 16 mins ship today.
ID: 13mm (1/2")
OD: 16mm (5/8")
Wall: 1.5mm (1/16")
Intended Tubing Size

NOTE: Refurbished items have been returned to us, used or unused, for whatever reason and have been reconditioned to manufacturer specification. These items may bear signs of usage, shipping, or wear. However, they will have been professionally serviced and wherever necessary, components replaced. Refurbished items from carry a full product warranty.

The reliable PMP-450S is Koolance's highest-flow 24V pump which can also run at 12V. (If pump speed will be externally throttled from 12V or 24V, PMP-450 is recommended for smoother operation.)

  • Maximum Flow Rate: 12L/min (3.2 gal/min) @ 12V, 20L/min (5.3 gal/min) @ 24V
  • Maximum Head Pressure: 3.2m (10.5ft) @ 12V, 6m (19.7ft) @ 24V
  • Motor: Brushless DC, electronically commutated, spherical motor
  • Power: 10-24VDC, 3-50W, 0.13-2.1A
  • Startup Voltage: 9 to 13.2 VDC
  • Maximum System Pressure: 3.5 kgf/cm2 (50 PSI)
  • Maximum Temperature: 60°C (140°F)
  • Electrical Connector: 4-pin Molex power supply connection + 3-pin (single lead) tach
  • Hose Connections: 13mm (1/2in) ID hose barbs
  • Wetted Materials: PPO, Carbon/Allumina Ceramic, EPDM or Viton, 316 SS
  • Noise: Less than 40dBA
  • Weight: 862g (1.9lbs)
  • MTBF 50k hours

Weight 1.20 lb (0.54 kg)
Max Pressure Tolerance @ 25°C 3.5kgf/cm2 (50 psi)
Max Temperature Tolerance 60°C (140°F)
Wetted Materials PPO, Carbon/Allumina Ceramic, EPDM or Viton, 316 SS
Expected Lifetime 50,000 hrs. MTBF
Max Flow Rate 12L/min (3.2GPM) @ 12V, 20L/min (5.3GPM) @ 24V
Max Power 26W @ 12V, 55W @ 24V
Max Static Head 3.2m (10.5ft) @ 12V, 6m (19.7ft) @ 24V
Native Hose Connection Barbs for ID 13mm (1/2in)
Speed Knob no
Tachometer yes
Type Magnetic Centrifugal
Voltage 10-24 VDC
Diagrams / Models (See Files Tab for Diagrams and 3D Models)

Liquid Coolants

Koolance's product warranty does not cover the use of 3rd-party coolants, coolant additives, or corrosion. Koolance LIQ-702 or LIQ-705 coolants are strongly recommended to help avoid issues with mixed metals or biological growth. Additionally, do not use aluminum with bare (unplated) copper or bare (unplated) brass in the same system. Do not use silver with nickel in the same system.