400/RXMD Low-Flow Pressure-Control Pumps
Liquid handling (pumps and systems)
Industrial equipment
Compact panel-mounted peristaltic pumps with pressure regulation for medical and diagnostic equipment. Deliver flow rates of up to 500 ml/min, operate at pressures of up to 6 bar, and provide precise fluid delivery for critical medical applications.
400/RXMD Low-Flow Pressure-Control Pumps
About the Product
Watson-Marlow 400/RXMD is a specialized pressure-controlled peristaltic pump developed for medical device manufacturers requiring precise control of both flow rate and system pressure. The series is widely used in surgical cooling systems, including radiofrequency (RF) and microwave ablation equipment.
A key feature of the 400/RXMD series is its ability to provide a customized pressure-versus-flow performance profile tailored to individual OEM requirements. Every pump is factory-configured and tested according to customer specifications, ensuring consistent performance and repeatable operating characteristics throughout its service life.
The pump incorporates automatic tube clamping and a quick-release loading mechanism, allowing tubing replacement in seconds without the use of tools. Its precision pressure regulation system maintains stable flow even when operating conditions change.
The product range includes DriveSure, ST, and VDL drive options, allowing OEM manufacturers to select the most suitable configuration for their equipment. Support for analog control, EtherNet/IP, and PROFINET enables seamless integration into modern medical and automated fluid handling systems.
Diagnostic Equipment
Transfer of reagents and process fluids in diagnostic analyzers and laboratory instruments.
Medical Equipment
Precise fluid delivery in medical devices and advanced therapeutic systems.
OEM Equipment
Integration into medical devices and specialized fluid management systems developed by OEM manufacturers.
Surgical Cooling Systems
Cooling of electrodes in radiofrequency and microwave ablation systems with accurate pressure and flow regulation.
Applications
400/RXMD Low-Flow Pressure-Control Pumps
Pressure Control up to 6 bar
Flow Rates up to 500 ml/min
Factory-Customized Performance
Quick Tubing Replacement
High Flow Accuracy
Easy OEM Integration
400/RXMD Low-Flow Pressure-Control Pumps
Specifications
Maximum Flow Rate
Up to 500 ml/min
Up to 500 ml/min
Maximum Pressure
Up to 6 bar
Up to 6 bar
Speed Range (DriveSure)
0.1–550 rpm
0.1–550 rpm
Tubing Size
1.6 or 3.2 mm
1.6 or 3.2 mm
Power Supply
12–48 V DC (DriveSure), 24 V DC
12–48 V DC (DriveSure), 24 V DC
Rated Power
75 W / 60 W / 30 W
75 W / 60 W / 30 W
Operating Temperature
+5 to +40 °C
+5 to +40 °C
Control Options
0–10 V, 4–20 mA, EtherNet/IP, PROFINET
0–10 V, 4–20 mA, EtherNet/IP, PROFINET
Additional Resources
Operating Manuals
Specifications
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