Filter Condition Monitoring

Filter Condition Monitoring for Hydraulic Filtration

Monitor hydraulic filter performance and identify when maintenance is required with Flowfit’s range of filter condition monitoring equipment. Manufactured by Filtrec, our range includes clogging indicators and pressure transmitters designed to help monitor pressure conditions around hydraulic filtration systems.

Effective hydraulic filter monitoring can help operators identify increasing filter restriction, plan filter element replacement and reduce the risk of running a hydraulic system with an excessively contaminated or restricted filter element.

Suitable for industrial, agricultural and mobile hydraulic systems, Filtrec filter monitoring products provide practical solutions for both visual condition indication and integration with electrical control and monitoring systems.

Clogging Indicators & Pressure Transmitters

Flowfit’s filter condition monitoring range is divided into two key product categories:

Clogging Indicators
Hydraulic filter clogging indicators help show when a filter element is becoming restricted by accumulated contamination. Depending on the model, indication may be visual or electrical, allowing maintenance personnel or machine control systems to identify when a filter element requires attention or replacement.

Pressure Transmitters
Hydraulic pressure transmitters provide electronic pressure monitoring by converting a pressure measurement into an electrical signal that can be used by a controller, PLC, display or other monitoring equipment. Within hydraulic filtration systems, pressure information can help provide greater visibility of filter and system operating conditions.

Why Hydraulic Filter Condition Monitoring Is Important

As a hydraulic filter captures dirt, metal particles and other contamination, the restriction across the filter element can gradually increase.

Monitoring these changes can provide a useful indication of filter element condition, helping maintenance teams replace elements when required rather than relying only on fixed maintenance intervals.

A hydraulic clogging indicator provides a straightforward way of identifying increasing filter restriction, while electronic pressure monitoring can provide additional information for automated machinery and condition monitoring systems.

This approach can support preventative maintenance, minimise unnecessary filter element changes and help maintain reliable hydraulic system performance.

Common Applications for Filter Condition Monitoring

Hydraulic filter condition monitoring equipment is commonly used with:

• Hydraulic pressure filters
• Return line filters
• Suction filters
• Hydraulic power packs and power units
• Industrial hydraulic systems
• Agricultural machinery
• Construction and plant equipment
• Mobile hydraulic machinery
• Material handling equipment
• Manufacturing machinery
• Hydraulic presses
• Machine tools
• Automated hydraulic systems
• Condition monitoring and preventative maintenance systems

Key Features of Filter Condition Monitoring Equipment

Depending on the Filtrec monitoring product selected, key benefits can include:

• Monitoring of hydraulic filter condition
• Helps identify increasing filter element restriction
• Visual clogging indication on selected models
• Electrical clogging indication on selected models
• Electronic pressure measurement
• Pressure signals for control and monitoring systems
• Helps determine when filter element replacement is required
• Supports preventative and condition-based maintenance
• Helps reduce unnecessary filter element replacement
• Suitable for pressure, return and suction filtration applications
• Options for industrial, agricultural and mobile hydraulics
• Manufactured by Filtrec

Hydraulic Filter Clogging Indicators

A hydraulic filter clogging indicator monitors conditions associated with restriction across or around the filter element.

As contamination collects within the filter media, resistance to oil flow increases. A suitable clogging indicator can provide a visual warning or electrical signal when the defined operating condition is reached.

This gives operators a practical indication that the hydraulic filter element may require replacement, helping maintain effective filtration and oil flow throughout the system.

Filtrec offers indicator solutions for different hydraulic filter configurations, including pressure, return and suction applications.

Hydraulic Pressure Transmitters

For applications requiring electronic monitoring, a hydraulic pressure transmitter converts measured pressure into an electrical output that can be processed by a PLC, controller, display or monitoring system.

Pressure transmitters can be particularly useful on automated machinery and industrial hydraulic systems where continuous pressure information is required rather than a local visual indication alone.

They can also form part of a wider hydraulic condition monitoring system, helping maintenance teams and machine controls monitor operating conditions and identify changes that may require investigation.

Choosing the Right Filter Monitoring Solution

The most suitable monitoring equipment will depend on the hydraulic filter, operating pressure, installation position and the type of information required.

For straightforward maintenance indication, a visual clogging indicator may provide a simple way to identify filter restriction.

Where an electrical warning is required, an electrical clogging indicator can provide a signal for integration with machine controls or alarms.

For systems requiring electronic pressure measurement and continuous monitoring, a pressure transmitter may offer the most appropriate solution.

Always consider the filter series, pressure range, indicator setting, electrical requirements and connection type when selecting filter condition monitoring equipment.

Flowfit also supplies pressure filters, return line filters, suction filters and replacement hydraulic filter elements, providing filtration and monitoring solutions across the complete hydraulic circuit.

Order Hydraulic Filter Condition Monitoring Equipment with Confidence

With a choice of hydraulic clogging indicators and pressure transmitters manufactured by Filtrec, Flowfit makes it easier to monitor filter condition and manage hydraulic system maintenance. Our monitoring products provide dependable indication, practical system integration and excellent value for money.

For technical support or product advice, contact Flowfit on 01584 876 033 or email sales@flowfitonline.com.

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