What is the 65‑ litre brine tank and why it is important

A brine tank stores salt and creates brine for regeneration in water softening systems. The 65‑ litre model comes in two ready‑to‑install versions — one with a white body and black lid and an all-black version — and is designed to deliver reliable brine formation and long service life for residential applications up to approximately 30 litres of resin.

Key features of the 65‑ litre brine tank
The following components are included and pre‑assembled to a quick installation and ensure correct operation.

• Square-based HDPE structure: made of HDPE for high strength, chemical resistance, and long service life.
• PP bottom grid: keeps the salt raised from the bottom and ensures proper brine formation.
• PP brine well: houses and protects the suction system during regeneration.
• Brine valve: manages suction and brine level throughout the entire regeneration cycle.
• ABS overflow fitting: protects against possible tank overfilling.
• 3/8” brine line connection: simple and effective connection to the control valve.
• PP lid: protects contents from external impurities and stabilizes internal conditions.
• Compact dimensions: 33 × 33 cm base, 82 cm height; total volume 65 litres, suitable for confined spaces.

Materials and durability

The tank’s main body is constructed from HDPE, an ideal material to ensure long service life and resistance to chemical agents. Internal components such as the bottom grid and brine well are made of PP, while the overflow fitting is made of ABS, chosen to balance mechanical strength and chemical compatibility. The robust structure ensures stability and long operating life in residential systems.

Installation and compatibility

Each tank is supplied with all components already pre‑assembled for quick installation. The included 3/8” brine line makes connection to most control valves straightforward. The compact footprint (33×33 cm) and 82 cm height allow installation in limited spaces while supporting water softeners up to about 30 litres of resin.

Performance and maintenance

The PP bottom grid and brine well ensure consistent brine formation and protect the suction system, while the brine valve controls level and suction during regeneration to maintain reliable performance. The PP lid helps prevent external impurities. Regular checks for salt bridging and periodic cleaning, as recommended by your system manufacturer, will keep the Brine tank operating efficiently.

Applications

These 65‑ litre brine tanks are ideal for residential water softening systems that require a compact, durable, and easy‑to‑install brine storage solution. Recommended for systems with up to approximately 30 litres of resin.

Benefits at a glance

• Pre‑assembled for quick installation
• Chemical resistant materials (HDPE, PP, ABS)
• Compact footprint for limited spaces
• Designed for reliable brine formation and regeneration control
• Suitable for residential systems up to 30 L resin

The 65‑ litre brine tank combines a compact design, durable materials, and pre‑assembled components to offer reliable, easy installation and long service life for residential water softening systems.

Visit our catalogue to learn more about brine tank options and specifications: Download

FAQs

• What is the total volume and physical size of the tank?

  Total volume is 65 litres; dimensions are 33 × 33 cm base and 82 cm height.

• Which materials are used for the tank and internal components?

  The body is HDPE; bottom grid and brine well are PP; overflow fitting is ABS.

• For what size resin tank is this brine tank suitable?

  It is suitable for residential systems up to approximately 30 litres of resin.

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Today we would like to introduce the Pentair WellMate pressure tank range. These products are designed to improve the reliability and service life of water supply systems by supporting pressure boosting applications and reducing unnecessary pump operation.

Pentair WellMate pressure tanks are widely used in residential, industrial, and irrigation systems where stable pressure and efficient system performance are essential. Their lightweight construction, corrosion-resistant materials, and low maintenance requirements make them a practical solution for a wide range of water supply installations.

How Pentair WellMate Pressure Tanks Protect Booster Pumps

One of the main advantages of Pentair WellMate pressure tanks is the protection they provide to booster pumps by significantly reducing the number of pump start cycles.

Thanks to the water storage capacity inside the tank, the pump does not need to start every time there is a small demand for water. This helps reduce mechanical stress on the pump and limits unnecessary start-ups.

As a result, users benefit from:

• Reduced mechanical stress
• Fewer pump start cycles
• Lower energy consumption
• Longer pump service life

For pressure boosting systems, reducing pump cycling is an important operational benefit because it improves overall system efficiency and reliability over time.

Maintaining Constant System Pressure

Another key benefit of the WellMate range is its ability to keep the system constantly pressurized. This improves service continuity in both residential and industrial applications.

By maintaining stable water pressure, the tank helps prevent pressure fluctuations during water usage. This is especially important in systems where consistent water delivery is required.

Typical installations where stable pressure is essential include:

• Multi-storey residential buildings
• Water storage systems
• Well water installations
• Sprinkler irrigation systems
• Drip irrigation systems

In these applications, the WellMate tank acts as temporary water storage that stabilizes the operation of the booster system and prevents unnecessary pump activation for small water demands.

Simple and Reliable Construction

From a construction standpoint, Pentair WellMate pressure tanks are designed to be simple, lightweight, and reliable.

Inside the tank there is an Air Cell membrane made of Polyether Urethane, pre-charged at 1.5 bar. During installation, the pressure can be adjusted from the top up to 8.6 bar.

If required, the membrane can also be replaced from the bottom of the tank and is backed by a 5-year warranty.

The inlet and outlet connections are located at the bottom and share the same PVC pipe assembly. The internal liner is manufactured from HDPE, while the external shell is made of epoxy resin reinforced with fiberglass.

Because these tanks are not subject to corrosion, maintenance requirements remain extremely low throughout their operating life.

Available Sizes and System Compatibility

The Pentair WellMate pressure tank range includes models suitable for systems of different sizes and requirements.

Available versions include:

• Models from 55 to 150 liters with 1” connections
• Models from 180 to 450 liters with 1.5” connections

Under standard operating conditions, the drawdown capacity is approximately one-third of the total tank volume.

This extensive product range allows installers and system designers to select the appropriate tank size for residential, commercial, and industrial pressure boosting applications.

Typical Applications for Pentair WellMate Tanks

Pentair WellMate pressure tanks are commonly used in applications where stable pressure and reliable water availability are critical.

Applications:

• Booster Pump Systems

The tanks help stabilize booster system operation while reducing pump cycling and unnecessary starts.

• Multi-Storey Residential Buildings

Maintaining constant water pressure is particularly important in multi-level buildings where pressure fluctuations can affect user comfort and service continuity.

• Water Storage Systems

WellMate tanks provide temporary water storage that helps maintain pressure and improve overall system reliability.

• Well Water Installations

In well water systems, the tanks reduce frequent pump activation and support consistent water supply performance.

• Sprinkler and Drip Irrigation Systems

Stable pressure is essential for efficient irrigation performance, making WellMate tanks suitable for both sprinkler and drip irrigation applications.

Pentair WellMate pressure tanks are designed to support reliable and efficient water supply systems through stable pressure management and reduced pump cycling.

Their corrosion-resistant construction, lightweight design, low maintenance requirements, and wide product range make them suitable for many residential, industrial, and irrigation applications.

By acting as temporary water storage within the system, WellMate tanks help stabilize booster pump operation, reduce unnecessary pump activation, and contribute to longer pump service life.

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The Runxin F135A valve controls the regeneration cycle of a water softener based on the actual volume of water treated, rather than on a fixed time schedule. This approach allows for:

• Reduced water and salt consumption
• Improved system efficiency
• Regeneration (only when needed)

This is particularly beneficial in industrial environments in which water usage fluctuates significantly.

Why Duplex Alternating Systems Matter

The Runxin F135A is specifically designed for duplex alternating systems, which consist of two tanks operating alternately. This setup ensures:

• Continuous supply of softened water
• One tank always in service, while the other regenerates
• No downtime during regeneration cycles

Thanks to a single valve, managing tanks, installation and control is simplified, while maintaining high performance.

Key Technical Features of the Runxin F135A

The valve body is made from Noryl, a high-resistance plastic known for:

• Excellent durability
• Resistance to pressure and chemicals
• Reliable performance in demanding conditions

Advanced Ceramic Disc Technology

The valve operates through high-precision ceramic discs, which provide:

• Smooth and accurate movement
• Reduced mechanical wear
• Long service life

This technology is widely appreciated in industrial applications for its reliability and consistency.

Operation and Regeneration Process

The Runxin F135A works in programmable volumetric mode, meaning:

• Regeneration is triggered automatically based on actual consumption
• No need for fixed time-based cycles
• Optimized performance and resource usage

Additionally, it uses co-current regeneration, ensuring a consistent flow direction during the process, which enhances ion exchange efficiency.

Performance and Capacity

From a technical perspective, the valve offers:

• Master valve Kv: 9.02
• Slave valve Kv: 7.5
• Resin capacity: 130 to 450 liters
• Tank size compatibility: 16” to 24”

These specifications make it suitable for a wide range of industrial water treatment applications.

Connections and Installation

The Runxin F135A is designed for easy integration:

• Inlet/Outlet connections: 1.5” male threaded
• Tank connection: 4” 8 UN male
• Drain connection: 3/4” (rear position)
• Brine line: 1/2” (side position)

The operating pressure ranges from 2 to 6 bar, ensuring compatibility with most industrial systems.

Automation and Remote Control

A key advantage of this valve is its ability to integrate with external control systems:

• Input connector for remote control signals
• Output connector for device control

For example, it can be used to control:

• Upstream solenoid valves
• Feed pumps

This level of automation enhances system efficiency and operational control.

Included Components

The Runxin F135A comes as a complete solution, including:

• Volumetric meter
• Interconnection kit between the two tanks
• Power supply

The total weight of the valve bodies and controller is approximately 17 kg.

Benefits for Water Treatment Systems

Using an industrial volumetric valve like the Runxin F135A provides several advantages:

• Increased operational efficiency
• Lower operating costs
• Continuous water supply
• Advanced automation capabilities
• Long-term reliability

These benefits make it an ideal solution for industrial and commercial facilities, and high-demand water systems.

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LG-NanoH2O MaxRO R is a next-generation reverse osmosis membrane designed for industrial plants in which efficiency, reliability, and reduced operating costs are essential. Its distinctive feature is the introduction of the 36 mil feed spacer with ultra-low pressure drop. This configuration helps improve flow distribution and limit fouling.

Key takeaways

• The LG-NanoH2O MaxRO R membrane is presented as a next-generation solution for industrial plants
• Its distinctive feature is the 36 mil feed spacer with ultra-low pressure drop
• The spacer keeps the membrane sheets separated and creates the appropriate turbulence regime
• Spacer geometry affects pressure drop, flow stability, and fouling tendency
• The 36 mil feed spacer enables extremely low pressure losses
• The membrane offers is offering consistent performance, longer cleaning intervals, and improved cleaning efficiency
• The LG-NanoH2O MaxRO R membrane offers high productivity, excellent permeate quality, and extended system lifetime

Applications

The LG-NanoH2O MaxRO R membrane is designed for industrial plants in which efficiency, reliability, and reduced operating costs are essential.

What the spacer is and why it matters

The spacer, or feed spacer, is the element located between the membrane layers.

Its function is to keep the sheets separated and create the appropriate turbulence regime, reducing the likelihood of salt precipitation on the membrane surface.

It is a critical component because it directly affects the internal hydrodynamic conditions.

36 mil feed spacer and ultra-low pressure drop

In the case of LG-NanoH2O MaxRO R, the 36 mil feed spacer enables extremely low pressure losses and, at the same time, it improves flow distribution and helps limit fouling.

This combination is the aspect that makes the membrane truly unique on the market.

Operational benefits over time

The benefits of this membrane include consistent performance, longer cleaning intervals, improved cleaning efficiency, and reduced replacement frequency.

Industrial applications and expected outcomes

The LG-NanoH2O MaxRO R membrane is suitable for industrial applications that require high recovery rates, reduced operating costs, and extended system lifetime.

Under these conditions, the membrane delivers high productivity and excellent permeate quality.

The LG-NanoH2O MaxRO R is not only as a high-performance membrane, but a technology designed to make reverse osmosis systems more efficient and more sustainable in the long term.

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Today we introduce MWG hot water filter housings and the matching AISI 316L stainless steel filter cartridges. The range is ideal for hot water treatment systems, with specs for temperature, pressure, connections, and flow rates.

Key points

• MWG housings made of AISI 316L stainless steel
• Available sizes: 10″ and 20″
• Connections: 1″ BSPP on the top; 1/4″ drain on the bottom
• Housings: up to 99 °C and 10 bar
• High-temperature-resistant EPDM gasket in the filter head
• Cartridges: washable pleated cartridges made of woven AISI 316L mesh
• Cartridges: up to 150 °C; operating pressure drop of 5 bar
• Micron ratings: 5, 20, 40, 60 microns
• Stated flow rates: 10″ 2,500–4,000 l/h; 20″ 5,000–8,000 l/h (depending on microns)

MWG hot water filter housings (AISI 316L)

MWG housings are entirely made of AISI 316L stainless steel to ensure robustness, reliability, and long service life. They are available in two sizes: 10″ and 20″.

Connections and drain

• Top connections: 1″ BSPP
• Drain connection: 1/4″ at the bottom of the filter

Stated operating limits

These housings can withstand temperatures up to 99 °C and a maximum pressure of 10 bar, making them suitable for hot water treatment systems.

Gasket and mounting kit

An EPDM gasket resistant to high temperatures is installed in the filter head. The supply also includes a mounting kit with a wrench and bracket made of stainless steel, designed for stable installation over time.

Matching filter cartridges: woven AISI 316L mesh

The cartridges to be paired with the housing are washable pleated cartridges made of woven AISI 316L stainless steel mesh. They are designed to ensure maximum strength and long operating life, and they are available in 10″ and 20″ sizes.

Temperature and pressure drop

The cartridges can operate up to 150 °C and provide an operating pressure drop of 5 bar.

Available micron ratings

Available micron ratings are: 5, 20, 40, and 60 microns, to meet filtration requirements.

Stated flow rates (by size and micron rating)

10″ cartridges

• From 2,500 l/h with 5-micron filtration
• Up to 4,000 l/h with 60-micron filtration

20″ cartridges

• From 5,000 l/h with a 5-micron filtration grade
• Approximately 8,000 l/h with a 60-micron filtration grade

Application and maintenance

These stainless steel cartridges are presented as an ideal solution for hot water filtration in industrial applications because they are reliable, robust, and easy to maintain (washable).

MWG AISI 316L housings and matching washable pleated cartridges cover 10″ and 20″ sizes, with stated limits and performance on temperature, pressure, micron ratings, and flow rates for hot water filtration applications.

FAQ

What sizes are available for MWG housings?

10″ and 20″.

What are the connections on MWG housings?

1″ BSPP on the top and a 1/4″ drain on the bottom.

What are the maximum temperature and pressure for the housings?

99 °C and 10 bar.

What material and type are the filter cartridges?

Washable pleated cartridges made of woven AISI 316L stainless steel mesh.

What micron ratings are available?

5, 20, 40, and 60 microns.

What flow rates are stated for 10″ and 20″ cartridges?

10″: 2,500–4,000 l/h; 20″: 5,000–8,000 l/h (depending on microns).

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Let’s talk about an innovative product for water treatment: a selective PFAS ion exchange resin. This resin is designed to remove perfluoroalkyl substances (PFAS), persistent and potentially harmful chemical compounds, helping provide safer water.

Selective PFAS ion exchange resin: discover what it is

It is a selective ion exchange resin designed to specifically capture PFAS molecules in water.

PFAS: what they are and where they come from

PFAS are persistent and potentially harmful chemical compounds. They mainly originate from industrial processes and from the production of waterproof or heat-resistant materials such as non-stick cookware, textiles, and packaging.

Why it differs from other filtration systems

Unlike other filtration systems, the selective PFAS resin specifically captures these molecules, ensuring safer water.

Perchlorates and regeneration: why there is no need to use regenerants

The resin is also effective with perchlorates, which are so strongly attracted to the resin that regeneration becomes almost impossible. As a result, this resin does not imply using regenerants.

Installation and service cycle duration

This type of resin should be installed downstream of a hypothetical water treatment system. Since PFAS concentrations usually are in the order of magnitude of nanograms, the service cycles are quite long, lasting several years.

Key takeaways

• Selective PFAS ion exchange resin for PFAS removal from water
• Specifically captures PFAS molecules
• Also effective with perchlorates
• Regeneration with perchlorates is almost impossible → systems without regenerants
• Installed downstream of a hypothetical water treatment system
• Long service cycles (nanogram-level concentrations) lasting several years
• Benefits: high selectivity, long service life, and ease of integration into existing systems, both civil and industrial

If you are looking for an effective and reliable product to remove PFAS from water, this resin represents an excellent solution.

FAQ

Q: What is a selective PFAS ion exchange resin?

A: It is a resin designed to remove perfluoroalkyl substances (PFAS) from water.

Q: Where do PFAS mainly originate from?

A: From industrial processes and the production of waterproof or heat-resistant materials (non-stick cookware, textiles, packaging).

Q: Why is regeneration almost impossible with perchlorates?

A: Because perchlorates are so strongly attracted to the resin that regeneration becomes almost impossible.

Q: Where should the resin be installed?

A: Downstream of a hypothetical water treatment system.

Q: What are the main advantages of the RA365 resin?

A: High selectivity, long service life, and ease of integration into existing systems, both civil and industrial.

Contact us for more information

Van Remmen UV Sterilizers: high-performance water disinfection for industrial applications

When the goal is maximum water safety – even with high flow rates – disinfection technology becomes critical. This article, based on the Eurotrol Academy video, presents the Van Remmen family of UV sterilizers: high-performance disinfection systems designed for industrial installations.

Intelligent technology for uniform flow distribution

Van Remmen UV sterilizers use an intelligent flow-management technology designed to ensure a uniform water distribution close to the UV lamp. This translates into maximum disinfection performance, with tested effectiveness also against Legionella.

Quality and validation to European standards

Quality is a key aspect: these systems are validated to a European standard, supporting reliable operation in industrial contexts.

Materials and connections: AISI 316L chamber and flanged connections up to DN250

The disinfection chamber is made of AISI 316L, a corrosion-resistant material suitable for industrial environments.

Connection options include:

• Threaded connections up to 3″
• Flanged connections up to DN250

Standard equipment: smart control panel and sensors

Each unit is equipped with:

• A smart electrical control panel to simplify monitoring and plant management
• A UV radiation sensor that continuously monitors the UV dose to ensure the correct UV dose is always delivered
• A temperature sensor to protect both the lamp and the system in case of overheating

Low maintenance and long lamp life

Despite their high performance, these systems require limited maintenance. The low-pressure UV lamps provide up to 16,000 hours of service life, reducing interventions and plant downtime.

Optimized design and controlled energy consumption

Optimized design and high lamp efficiency help keep energy consumption contained, leading to very competitive total cost of ownership over time.

Manufactured in The Netherlands

All Van Remmen UV sterilizers are manufactured in the Netherlands.

If you are looking for a reliable, high-performance solution for industrial water disinfection, Van Remmen UV sterilizers are presented in the video as an excellent choice.

The new MWG Easy Cabinet has been engineered as a compact softening system, easy to handle and carefully designed in every detail. It is the ideal solution wherever you need a reliable, space-saving and visually neat installation.

In this Eurotrol Academy video, you will see how the MWG Easy Cabinet provides the perfect housing for the new Pentair 255 Easy-iQ valve, ensuring a fully integrated and efficient water softening system.

The new cover has been developed by following the technical specifications of the valve, in order to guarantee:

• Total compatibility with Pentair 255 Easy-iQ valves
• A perfect fit for the timer in its dedicated slots
• Long-term durability and mechanical strength
• Multiple colour combinations to match different installation needs

The custom front panel is the result of Eurotrol’s technical teamwork and is designed to make the assembly quick and intuitive: you detach the original valve cover, remove the timer while keeping the motor cable connected, place the new cabinet cover and the front panel, then snap the timer into its housing.

Watch the video to follow the step-by-step assembly of the MWG Easy Cabinet with Pentair 255 Easy-iQ valve and see how to combine design, functionality and quality in your softening systems.

MWG Easy Cabinets are 100% Made in Italy!

The Design Patent for these cabinets is registered in the European Union.

In this episode, we’ll guide you through MWG self-cleaning filters, outlining their key technical features and practical applications. The video offers a comprehensive overview of the 1.25″ range, with an in-depth focus on these essential components for primary water treatment.

Also available in various configurations: In addition to the 1.25″ version, MWG self-cleaning filters come with 1″ connections (only in this last version with 3/4” reduction fittings included) to meet different requirements and ensure the best fit for your system.

What you’ll learn in the video:

• How MWG automatic and manual filters work
• Technical and operational advantages
• Installation methods
• Application areas in water treatment systems

This content is designed for anyone who wants to better understand self-cleaning filter technology and choose the most effective solution for their system.

Press play and watch the video!

Unsure which solution is right for you? Contact our Eurotrol Area Managers for personalized guidance on MWG self-cleaning filters and the available configurations.