Diluting and Proportional Fluid Control with ±1% Precision
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The STH and STQ Duplex metering pumps from Fluid Metering, Inc. are ideal for precision mixing, diluting, and proportional metering for OEM medical, analytical, and industrial instrumentation.
FMI’s OEM Duplex Metering Pumps consist of two valveless pump heads direct coupled to a single variable stepper motor drive. The displacement of each pump head is independently adjustable, and a variety of pump head sizes can be used in combinations to achieve dispensing ratios from 1:1 up to 500:1 from microliters to liters.
The metering pumps feature FMI’s patented CeramPump valveless piston pumping technology and are the valveless-syringe alternative to conventional syringe pumps. The CeramPump has only one moving part in the fluid path, a sapphire-hard ceramic piston, which accomplishes both pumping and valving functions, without valves.
The result is a unique valveless pump design which eliminates multiple syringes, valves, actuators, and drivers required by conventional syringe pumps for continuous fluid dispensing and metering. By eliminating valves and utilizing ceramic internals, FMI OEM Duplex Pumps will dispense millions of maintenance-free cycles at ±1% precision without recalibration.
In addition, the pump has unidirectional continuous flow, utilizing two separate ports for input and output. Throughput of the pump is significantly increased over syringe designs which both fill and dispense through the same single port.
For over 55 years FMI pumps have been used medical diagnostic and analytical instrumentation, laboratory R&D;, chemical process, pharmaceutical packaging, water treatment, environmental monitoring, food processing and much more.
Fluid Metering Inc., 1(800) 223.3388, www.fluidmetering.com
