Flowhub Power Point

The complete flow monitoring solutionMeasure – Display – Switch – Transmit


• Easy to install, start working immediately, no complex setup

• Complete solution that replaces six components: one flow meter, one temperature sensor, two readouts, two separate switch modules

• No need to pipe in a reverse flow check valve as FlowHUB allows flow in reverse

Measure and display flow and temperatureTwo user-configurable built-in switches


Typical application for the

• Ideal for fluid power and lubrication oil systems

• Equally applicable for condition monitoring and test stand applications

• The built-in display provides a reading for operators, while the switch can operate an alarm or switch-off a motor as a safety precaution


Condition monitoring of case drain line


Max pressure: 210 barMax flow: 30 lpmAdaptors: ½” BSP

Benefit 1: Digital display tells service person what the case drain line flow and temperature are, which in turn will indicate if pump is wearing.

Condition monitoring of case drain lineFlow: 6 lpm Op Press: 2 bar Fluid: ISO 22



Benefit 2: If flow is > 10 lpm (typical max drain line flow when working properly) then logically pump must be wearing and switch 1 will trigger a flashing light.






Benefit 3: If flow > 15 lpm (dangerously high leakage) then pump may possibly be damaged and switch 2 will cut power to the motor that drives the piston pump.






Benefit 3: If flow > 15 lpm (dangerously high leakage) then pump may possibly be damaged and switch 2 will cut power to the motor that drives the piston pump.

Benefit 4: Low pressure drop allows the FlowHUB to be installed in the tank line without over-pressurising the case (FlowHUB dP < 0.5 bar at 15 lpm).




Hydraulic power pack to drive a test bench


Benefit 1: Operator can see what flow rate he has set by looking at the digital display

Max pressure: 210 barMax flow: 360 lpmAdaptors: 1 5/16” SAE

Hydraulic power pack to drive a test bench Flow: 10-320 lpm Op Press: 150 bar Fluid: ISO 46



Benefit 2: Operator can check fluid temperature by looking at the display and check temperature is ok.






Benefit 3: As a backup the switch 1 will switch on a cooler if flow > 250 lpm






Benefit 3: As a backup the switch 1 will switch on a cooler if flow > 250 lpm

Benefit 4: As a backup the switch 2 will switch on a heater if flow < 50 lpm




Technical overview:

• Available in five models covering flow range 1 – 360 lpm (0.3 - 100 US gpm)

• Energy efficient, the FlowHUB has a low dP (less than 1 bar on 30 lpm version)

• Ideal for low and medium pressure applications (up to 210 bar / 3000 psi)

• Temperature measurement as standard 5 – 90°C (41 – 194°F)

• Choice of adaptor sizes (1/2”, ¾”, 1”) and BSP or SAE threads

• Each programmable switch is rated up to 500 mA

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Measure and display flow and temperatureTransmit flow value using either 0-5V or 4-20mA

• Easy to install, connect to a PLC or secondary display

• Complete solution that replaces five components: one flow meter, one temperature sensor, two readouts, one analogue output module





• Equally applicable for condition monitoring and test stand applications

• The built-in display provides a reading for the operator, while the transmitter analogue signal is updated every 150 ms


Condition monitoring of lubrication oil


Benefit 1: Monitor flow of lubrication oil from a central control centre

Max pressure: 210 barMax flow: 120 lpmAdaptors: ¾” SAE

Condition monitoring of lubrication oilFlow: 90 lpm Op Press: 40 bar Fluid: ISO 68



Benefit 2: Use actual flow value as an input to a PLC, so that the PLC can then control a second function based on real flow rates






Benefit 3: Provide a solution with relatively low pressure drop to minimise energy losses






Benefit 3: Provide a solution with relatively low pressure drop to minimise energy losses

Benefit 4: Provide a solution that can be used continuously on this heavy duty-cycle application. FlowHUB has no fast moving parts so as to minimise mechanical wear.




Cylinder test stand


Max pressure: 210 barMax flow: 60 lpmAdaptors: ¾” BSP

Benefit 1: Measure flow rate when extending cylinder and send signal to PLC

Cylinder test standFlow: 45 lpm Op Press: 200 bar Fluid: ISO 32




Benefit 2: PLC can then record flow rate for traceability of test and calculate the volume of oil that has flowed into the cylinder and adjust the flow rate accordingly, so as to come to a slow stop.





Benefit 2: PLC can then record flow rate for traceability of test and to calculate volume of oil that has flowed into the cylinder and adjust the flow rate accordingly, so as to come to a slow stop.

Benefit 3: Operator can view the flow rate on the FlowHUB screen





Benefit 2: PLC can then record flow rate for traceability of test and to calculate volume of oil that has flowed into the cylinder and adjust the flow rate accordingly, so as to come to a slow stop.

Benefit 3: Operator can view the flow rate on the FlowHUB screen

Benefit 4: When the cylinder is contracted and the flow is reversed, flow can pass back through the FlowHUB



Technical overview:


• Ideal for low and medium pressure applications (up to 210 bar / 3000 psi)



• Maximum transmitted flow range can be set by the user

• Choose between 0-5V and 4-20mA output (factory set)



Measure and display flow and temperatureTransmit flow value using either 0-5V or 4-20mA

Two user-configurable built-in switches

• Ideal for use with a PLC, 50 ms response time

• Complete solution that replaces seven components: one flow meter, one temperature sensor, two readouts, one analogue output module, two switches


• Rated to 420 bar




• Ideal for all hydraulic applications including closed loop feedback

• The built-in display provides a reading for the operator, while the transmitter and two switches provide total flexibility to send signals to external devices


Winch control with closed loop feedback


Max pressure: 420 barMax flow: 240 lpmAdaptors: 1” BSP

Benefit 1: To monitor the flow from a load sensing piston pump in real time to send a true flow signal to a PLC

Winch control with closed loop feedbackFlow: 233 lpm Op Press: 400 bar Fluid: ISO 32




Benefit 2: Enable the PLC to optimise the flow being provided to the winch in real time by adjusting the pump output





Benefit 2: Enable the PLC to optimise the flow being provided to the winch in real time by adjusting the pump output – this requires accuracy of better than 1% FS

Benefit 3: Provide a solution that can be used continuously on this high-pressure heavy duty-cycle application. FlowHUB has no fast moving parts so as to minimise mechanical wear.





Benefit 2: Enable the PLC to optimise the flow being provided to the winch in real time by adjusting the pump output – this requires accuracy of better than 1% FS

Benefit 3: Provide a solution that can be used continuously on this high-pressure heavy duty-cycle application. Design must have no fast moving parts so as to reduce the chances of rapid wear.

Benefit 4: To operate an alarm if the flow rate reaches 95% of max to warn the operator that the winch is close to over-speeding.



High pressure coolant to a gun-drill


Benefit 1: To monitor the flow of coolant to the cutting head in real-time by sending a 4-20 mA signal to a PLC. To monitor the flow of oil to the motor that drives the gun drill.

Max pressure: 420 barMax flow: 30 lpmAdaptors: 3/4” SAE/ 1 5/16” SAE

High pressure coolant to a gun-drillFlow: 26 and 300 lpm Op Press: 34 to 350 bar Fluid: Houghton Cutting Oil – 13 cSt / 75 SUS and ISO 46



Benefit 2: To enable the PLC to change the flow rate of coolant accordingly as the gun drill changes speed






Benefit 3: To switch off the hydraulic power to the gun drill if the coolant flow drops below 5 lpm as the coolant must have failed






Benefit 3: To switch off the hydraulic power to the gun drill if the coolant flow drops below 5 lpm as the coolant must have failed

Benefit 4: To provide a very heavy duty solution that has the minimum of moving parts that could be damaged by any contaminate within the cutting fluid. To provide a heavy duty solution for the gun drill circuit that won’t be affected by vibration or the high pressure its operating at.




Technical overview:


• Ideal for all including high pressure applications (up to 420 bar / 6000 psi)



• Two built-in switches, user configurable

• Choose between 0-5V and 4-20mA output (factory set)



Create your own custom FlowHUB specification

• FlowHUB Custom is available for volume orders (>100 pcs / year) where a custom configuration is required

• Choose your own combination of features to best suit your application

• Many parameters can be modified specifically for you

• OEM branded versions available so you can sell the product in your own name



• Proven variable orifice design with improvements to reduce wear, minimise pressure drop and increase product life

• Operation: the fluid flow is used to move a magnet which is mounted within a piston, the distance moved is proportional to the flow rate

• The piston movement is measured by a sensitive magnetic device (Patent pending)

• The on-board electronics condition the signal and convert the linear movement to fluid flow

• The FlowHUB also allows unmeasured flow in the reverse direction


Specification overview

Flow ranges 5 models covering 1 - 360 lpm up to 360 lpm Max pressure 210 bar (3000 psi) 420 bar (6000 psi) up to 420 bar Temperature range 5 - 90 deg C (41 - 194 deg F) Custom Display flow/temp Yes Yes Yes Optional Switches Yes - 2 No Yes - 2 Optional Transmit flow No Yes (4-20mA or 0-5V) Optional Update time 150 ms 50 ms Custom Allow reverse flow Yes Yes Yes Yes Adaptors Yes - choice of BSP / SAE and different sizes as standard Custom Accuracy (std) Better than +/-3% FSD Custom Calibration certs Optional 7 point calibration (additional cost) Custom Comments Available May 2009 Volume orders


Flowhub Power Point

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