The complete flow monitoring solution Measure – Display – Switch – Transmit.

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: 3000 psiMax flow: 8 gpmAdaptors: ¾” JIC male

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: 2 gpm Op Press: 15 psi Fluid: ISO 22



Benefit 2: If flow is greater than 2.6 gpm (typical max drain line flow when pump is working properly) then logically pump must be wearing and switch 1 will trigger a flashing light.






Benefit 3: If flow > 4 gpm (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 > 4 gpm (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 less than 8 psi at 4 gpm).




Hydraulic power pack to drive a test bench


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

Max pressure: 3000 psiMax flow: 100 gpmAdaptors: 1 5/16” JIC male

Hydraulic power pack to drive a test bench Flow: 2.5 – 85 gpm Op Press: 2200 psi 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 flow switch #1 will switch on a oil cooler if flow is greater than 65 gpm




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


Benefit 3: As a backup flow switch # 1 will switch on a cooler if flow is greater than 65 gpm.

Benefit 4: As a backup flow switch #2 will switch on a heater if flow is less than 4 gpm.


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


Technical overview:

• Available in five models covering flow range 0.3 – 100 gpm

• Energy efficient, the FlowHUB has a low dP (less than 15 psi at full flow on 8 gpm model)

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

• Temperature measurement as standard 41 – 194°F.

• Choice of adaptor sizes (1/2”, ¾”, 1”) JIC 37° male flare

• Each programmable switch is rated up to 500 mA

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

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

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





• Equally applicable for condition monitoring and test stand applications

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


Condition monitoring of lubrication oil


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


Condition monitoring of lubrication oilFlow: 24 gpm Op Press: 580 psi Fluid: ISO 68


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

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 real-time solution for monitoring critical lubrication oil flow with relatively low pressure drop to minimize energy losses






Benefit 3: Provide a real-time solution for monitoring critical lubrication oil flow with relatively low pressure drop to minimize energy losses

Benefit 4: Provide a solution that can be used continuously on this heavy duty-cycle application. FlowHUB has no rotating parts subject to mechanical wear.




Cylinder test stand



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

Cylinder test standFlow: 12 gpm Op Press: 2100 psi Fluid: ISO 32




Benefit 2: PLC records 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 controlled stop.





Benefit 2: PLC records 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 controlled stop.

Benefit 3: Operator can view the flow rate on the FlowHUB built-in display





Benefit 2: PLC records 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 controlled stop.

Benefit 3: Operator can view the flow rate on the FlowHUB built-in display

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



Technical overview:

• Available in five models covering flow range 0.3 - 100 gpm

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

• Temperature measurement as standard 41 – 194°F

• Choice of adaptor sizes (1/2”, ¾”, 1”) JIC 37° male flare

• Maximum transmitted flow range can be set by the user

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



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

Two user-configurable built-in flow switches

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

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


• Rated to 6000 psi




• 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: 6000 psiMax flow: 64 gpmAdaptors: 1-5/16” JIC male

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: 60 gpm Op Press: 5800 psi Fluid: ISO 32




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





Benefit 2: Enable the PLC to optimize 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 rotating parts so as to minimize 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 rotating parts so as to eliminate mechanical wear.

Benefit 4: To operate an alarm if the flow rate reaches 95% of maximum 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. Also monitor the flow of oil to the motor that drives the gun drill.

Max pressure: 6000 psiMax flow: 15 gpm / 100 gpmAdaptors: 3/4” JIC male / 1 5/16” JIC male

High pressure coolant to a gun-drillFlow: 6 and 80 gpm Op Press: 500 to 5000 psi Fluid: Houghton Cutting Oil – 13 cSt / 75 SUS and ISO 46


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.

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 2 gpm as the coolant must have failed

Max pressure: 6000 psiMax flow: 15 gpm / 1000 gpmAdaptors: 3/4” JIC male/ 1 5/16” JIC male





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 heavy duty solution that has no rotating 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 high pressure operation.




Technical overview:

• Available in five models covering flow range 0.3 - 100 gpm

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

• Temperature measurement as standard 41 – 194°F

• Choice of 1/2”, ¾” JIC male

• Two built-in switches, user configurable

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



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, minimize pressure drop and increase product life

• Operation: the fluid flow is used to move a magnet which is mounted within a piston, the linear 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 translate the linear movement of the piston to fluid flow

• The FlowHUB also allows unmeasured flow in the reverse direction


Specification overview

Flow ranges 5 models covering 0.3 – 100 gpm up to 100 gpm Max pressure 3000 psi 6000 psi up to 6000 psi Temperature range 41 - 194 deg F (5 - 90 deg C) Custom Display flow/temp Yes Yes Yes Optional Switches Yes - 2 No Yes - 2 Optional Analog Output 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 37 deg JIC male / BSP 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


The complete flow monitoring solution Measure – Display – Switch – Transmit.

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