New Clark Vortex Flow Transmitters Economical Choice for ¼” to ¾” System

New DN-420 Series Vortex Flow Transmitters - Loop Powered, 2-Wire, 4-20 mA & Frequency Output, ¼” to ¾” Pipe Sizes, Flow Ranges 0.3 to 22 GPM
DN420 Flow Transmitter
DN420 Flow Transmitter
April 22, 2011 - PRLog -- Hudson, MA – The DN-420 Series Vortex Flow Transmitters from Clark Solutions are an excellent and economical choice for liquid media flow monitoring and control in ¼” to ¾” piping systems. These transmitters utilize the Kármán Vortex Trail principle of operation. In DN420 Transmitters, piezoelectric sensors embedded in an ETFE vane located downstream of the bluff detect generated vortices. The frequency measured represents the flow velocity.  A flow factor is provided to convert frequency to volume flow rate for each model size. Each model is provided with a frequency/pulse output and a linear 4-20 mA output proportional to flow. Output is updated every 2 seconds.  Available options include a 1000 Ohm RTD temperature sensor.

DN420 Series Vortex Flow Transmitters are ideal for water and water glycol based heat exchange systems with flow ranges from 0.3 to 22 GPM.  Wetted materials for flow transmitters include ETFE and EPDM, ASTM-PPA, Polyphthalamide, and ISO-PA6T/6I, Grivory 40% GF. DN-420 Series Vortex Flow Transmitters have an accuracy up to 50% fs: ≤ 1% fs from 50% fs: ≤ 2% of measured value.

Clark Solutions has a fifty-year history of providing unique solutions to the measurement, control, and monitoring of pressure, flow, force, and level in liquids and gases.  Located in Hudson, Massachusetts, the company offers instrumentation devices to record, monitor, and control flow, velocity, pressure, temperature, humidity, level, gas concentration, and other properties.  Clark Solutions also provides a wide range of pumps for liquids, gases, and air, including diaphragm pumps, piston pumps, rotary vane pumps, gear pumps, peristaltic pumps, impeller pumps, centrifugal pumps, and bellows pumps.  Valve offerings include inert isolation valves, solenoid operated valves, valve actuators, pinch valves, manifold valves, ball valves, globe valves, butterfly valves, needle valves, and miniature and subminiature valves.  

For more information, contact Clark Solutions, 10 Brent Drive, Hudson, MA 01749, Tel. 978-568-3400, Fax 978-568-0060, email, or visit our web site at

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Clark Solutions, Hudson MA, has been providing unique solutions to the movement, measurement, control, and monitoring of pressure, flow, and level in liquids and gases for over 50 years. They offer a wide range of pumps, valves, and instrumentation.
Source:Donald Tyler, Clark Solutions
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Tags:Clark Solutions, Vortex Flow Transmitter, DN420, Vortex Flowmeter, Flow Monitor, Flow Control
Industry:Industrial, Environment, Energy
Location:Hudson - Massachusetts - United States
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