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

Part No. PMP-450 In-Stock Icon In Stock Fedex orders placed now will ship on April 22nd.
Volume Pricing
Qty 1 : $93.49/ea
10 : $91.11
25 : $88.74
50 : $86.36
100 : $85.65
250 : $84.46
500+ : $83.74
RoHS CertifiedREACH Certified
ID: 13mm (1/2")
OD: 16mm (5/8")
Wall: 1.5mm (1/16")
Intended Tubing Size

The Koolance PMP-450 is a reliable high-flow pump with built-in speed control knob. It handles external control throttling better than the PMP-450S.

  • Maximum Flow Rate: 15L/min (4.0 gal/min) @ 12V, 17.5L/min (4.6 gal/min) @ 24V
  • Maximum Head Pressure: 3.9m (12.8ft) @ 12-24V
  • Motor: Brushless DC, electronically commutated, spherical motor
  • Power: 8-24 VDC, 3-35W, 0.30-1.50A
  • 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 15L/min (4.0GPM) @ 12V, 17.5L/min (4.6GPM) @ 24V
Max Power 25W @ 12V, 35W @ 24V
Max Static Head 3.9m (12.8ft) @ 12-24V
Native Hose Connection Barbs for ID 13mm (1/2in)
Speed Knob yes
Tachometer yes
Type Magnetic Centrifugal
Voltage 8-24 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.