3000 ml/min ECP203LG Preparative Pump

Pressure Comp. Learning 3000 ml/min 5MPa

Gradient Preparative HPLC pump with a flow rate of up to 3000 ml/min at an output pressure of up to 5 MPa (725 psi).


Related variants

ECOM spol. s r.o.
Part number

Coming soon! -The ECP301 LG Gradient Preparative Pump is an innovative, powerful, and cost-effective unit for preparative liquid chromatography where high pressure is needed.
The pump with 4 low-pressure gradient valves delivers a flow rate of up to 3000 ml/min at an output pressure of up to 5 MPa (725 psi).

Main features and benefits

  • Durability – The pump is constructed for high pressure and flow rates. This makes it suitable for day-to-day long-term use in production.
  • Smart controls and diagnostics – It is easy to operate, especially with ECOMAC and Clarity software. This makes unit management powerful and convenient. The basic version of the ECOMAC software is available free of charge. It is also used for service and diagnostics.
  • Other useful features
    •  A new learning algorithm for pulsation suppression
    • A leakage sensor
    • A seal wash kit for longer piston seal life
  • Also available in configurations made of certified bio-inert materials


Flow rate 5 – 3000 ml/min
Maximum operating pressure 5 MPa up to 3000 ml/min
Repeatability of flow rate adjusting ± 1 %
Accuracy of flow rate setting ± 2 %
Wetted materials stainless steel, PEEK, ceramic, ruby, seals-GFP by default-or optionally UHMW-PE
Communication RS232,Ethernet (LAN),USB,Remote digital I/O
Power supply 100-240V VAC
Power input 500 VA
Dimensions W x H x D 340 × 170 × 640 mm (13.4 × 6.7 × 25.2 in)
Weight 34 kg (75 lb)
Output capillary outer diameter 1/8 "
Pressure Compensation Learning yes
Filename Type
Info-Piston_Seal_Materials pdf (134,34 KB)