Buffer Tanks & Pump Stations
Absolutely Chilled & Heating supplies custom REFRA buffer tanks and pump stations designed to support efficient, reliable system performance. Built to spec, these components stabilise flow, optimise energy use, and integrate seamlessly into heating and cooling systems for commercial and industrial applications.
Buffer Tanks & Pump Stations
Efficient. Sustainable. Regulation-ready.
Buffer tanks and pump stations from Refra offer critical support for optimising the efficiency, performance, and longevity of modern HVAC and refrigeration systems. Whether the aim is to stabilise temperature, increase system volume, or ensure consistent fluid flow, these components are essential for maintaining control, reducing energy consumption, and protecting equipment.
Designed for both chilled and hot water applications, Refra’s buffer tanks range from 300 L to 3000 L and are available in standalone or integrated formats. Options such as heat recovery, anti-legionella kits, and electric immersion elements offer flexibility across a wide range of heating and cooling needs.
Refra pump stations are built to order according to customer hydraulic drawings – ensuring seamless integration with cooling, heating, or waterloop systems. Featuring high-grade components, optional redundancy, and precise control, they’re ideal for supporting long-term performance in commercial and industrial environments.
Built for demanding conditions and engineered with energy savings in mind, Refra buffer tanks and pump stations form a vital part of scalable, regulation-ready HVAC solutions.
Buffer Tanks & Pump Stations
Efficient. Sustainable. Regulation-ready.
Buffer tanks and pump stations from Refra offer critical support for optimising the efficiency, performance, and longevity of modern HVAC and refrigeration systems. Whether the aim is to stabilise temperature, increase system volume, or ensure consistent fluid flow, these components are essential for maintaining control, reducing energy consumption, and protecting equipment.
Designed for both chilled and hot water applications, Refra’s buffer tanks range from 300 L to 3000 L and are available in standalone or integrated formats. Options such as heat recovery, anti-legionella kits, and electric immersion elements offer flexibility across a wide range of heating and cooling needs.
Refra pump stations are built to order according to customer hydraulic drawings – ensuring seamless integration with cooling, heating, or waterloop systems. Featuring high-grade components, optional redundancy, and precise control, they’re ideal for supporting long-term performance in commercial and industrial environments.
Built for demanding conditions and engineered with energy savings in mind, Refra buffer tanks and pump stations form a vital part of scalable, regulation-ready HVAC solutions.
Versatile capacities – from 300 L to 3000 L, suited to a wide range of commercial and industrial system loads.
Application-specific models – hot water, chilled water, and heat recovery options to suit system design.
Onboard integration available – Selected Refra chillers and heat pumps can be supplied with integrated buffer tanks and pump stations; please enquire for available configurations.
Domestic hot water-ready – anti-legionella kits and integrated elements available for hygiene-critical applications.
Flexible installation options – vertical or horizontal mounting with flanged, threaded or Victaulic connections.
Seamless integration – designed for compatibility with Refra heat pumps, chillers and central plant architecture.
Optimised thermal insulation – polyurethane or ArmaFlex insulation with durable external dermatine finish.
Tailored pump stations – heating, cooling and waterloop pump sets built to project-specific hydraulic diagrams.
System stability – improves temperature control and reduces short cycling, aiding long-term system performance.
Buffer Tanks
Refra buffer tanks improve temperature stability, flow control and energy efficiency in both heating and cooling systems. Available in chilled, hot water and heat recovery variants, they’re manufactured to order in capacities from 300 L to 3,000 L and pressures up to 10 bar. Customisable with options like electric elements or anti-legionella kits, Refra buffer tanks support efficient, stable system performance in commercial and industrial applications.
Heat Recovery
Heat Recovery Buffer Tanks
Refra’s heat recovery buffer tanks are designed to maximise energy efficiency by capturing waste heat from refrigeration systems and repurposing it for heating. This integrated solution supports both space heating and domestic hot water production -delivering substantial savings in energy use and equipment costs across commercial and industrial applications.
Each tank includes a built-in double-wall heat exchanger, enabling the recovered heat to be transferred safely and effectively. An optional anti-legionella kit ensures compliance with hygiene standards for domestic hot water use, and a 6 or 9 kW electric element can be added for supplementary water heating.
- Capacity: 300 L to 3,000 L
- Pressure: 6 to 10 bar
- Materials: Carbon steel (S235JR) or stainless steel (304/316L)
- Insulation: 50–100 mm polyurethane, external red dermatine jacket
- Orientation: Vertical or horizontal
- Connections: Threaded, flanged, or Victaulic
- Features: Optional electric heater, inspection flange for servicing
Engineered for long-term reliability, these tanks offer a cost-effective way to reduce carbon emissions while enhancing thermal system performance.
Please note, that these products can be fully customised according to your specifications.
Cold Water
Chilled Water Buffer Tanks
Refra chilled water buffer tanks help optimise the performance and efficiency of cooling systems by stabilising flow and maintaining consistent water temperatures. These tanks increase system volume, helping reduce compressor cycling, avoid temperature fluctuations, and support smooth chiller operation - whether integrated into a larger system or used as a standalone component.
Each unit can be equipped with a built-in separation plate or blast pipe to enable water flow separation, allowing multiple hydraulic circuits to operate independently while maintaining stable conditions. This is particularly beneficial in systems with variable loads or diverse cooling zones.
- Capacity: 300 L to 3,000 L
- Pressure: 6 to 10 bar
- Materials: Carbon steel (S235JR) or stainless steel (304/316L)
- Insulation: ArmaFlex, external blue dermatine jacket
- Orientation: Vertical or horizontal
- Connections: Threaded, flanged, or Victaulic
- Features: Flow separation for multi-circuit regulation
Ideal for commercial and industrial refrigeration setups, Refra’s chilled buffer tanks help extend equipment life and improve system stability across a range of cooling applications.
Please note, that these products can be fully customised according to your specifications.
Hot Water
Hot Water Buffer Tanks
Refra hot water buffer tanks are designed to ensure a stable and reliable supply of hot water for both domestic and commercial heating systems. These tanks provide thermal storage, helping maintain consistent temperatures, reduce system cycling, and meet hot water demand even during peak load periods.
Each tank can be equipped with an optional anti-legionella kit, including a recirculation pump, heating element, and timer—an essential feature for domestic hot water systems where hygiene and safety are paramount. An additional 6 kW or 9 kW electric heating element can also be installed to support water temperature maintenance or boost heating where required.
- Capacity: 300 L to 3,000 L
- Pressure: 6 to 10 bar
- Materials: Carbon steel (S235JR) or stainless steel (304/316L)
- Insulation: Polyurethane (50–100 mm), external red dermatine jacket
- Orientation: Vertical or horizontal
- Connections: Threaded, flanged, or Victaulic
- Features: Optional anti-legionella kit and electric heater
Ideal for hot water storage in combination with heat pumps or other heating systems, these tanks offer hygienic, efficient and dependable performance.
Please note, that these products can be fully customised according to your specifications.
Pump Stations
Refra’s pump stations are custom-built to support water and glycol circulation across waterloop, cooling, and heating applications. Designed for integration with chillers, heat pumps and distributed networks, they help maintain consistent flow and pressure while enhancing overall system efficiency. Available in a range of capacities and configurations, each unit is engineered to meet specific project needs – from small-scale commercial installs to complex industrial systems.
Pump Stations for Waterloop
Pump Stations for Waterloop
Refra’s waterloop pump stations deliver decentralised cooling through a shared condensing water circuit – ideal for commercial systems requiring variable cooling outputs across multiple zones. With capacities from 30 kW to 250 kW, these pre-assembled systems reduce the need for complex refrigeration infrastructure, streamlining installation and maintenance.
Built on a compact galvanised steel frame, standard units feature one or two inverter-driven pumps, glycol tank with filling pump, three-way valve, control sensors, and shut-off valves. An integrated controller ensures smooth operation and consistent performance.
Optional features include emergency heat exchangers, dry cooler integration, bubble filter separators and dedicated heat recovery pumps – allowing excess thermal energy to be reused for building heating.
Please note, that these products can be fully customised according to your specifications.
Pump Stations for Cooling
Pump Stations for Cooling
Refra’s cooling pump stations ensure consistent flow and pressure across refrigeration and HVAC systems – critical for maintaining stable cooling performance in commercial and industrial environments. These systems are built to integrate seamlessly with chillers, water loops, or custom setups, optimising system efficiency and operational reliability.
Each unit is fully bespoke, engineered to client-supplied hydraulic drawings. Standard features include inverter-driven pumps, pressure and flow monitoring, control board, valves, and safety elements – all mounted on a robust steel frame.
Additional options include tailored electrical panels, buffer tank integration, and compatibility with various cooling media. With scalable capacities and flexible configurations, Refra’s cooling pump stations support efficient, site-specific cooling system performance.
Please note, that these products can be fully customised according to your specifications.
Pump Stations for Heating
Pump Stations for Cooling
Refra’s heating pump stations are designed to ensure consistent circulation and pressure within commercial and industrial heating systems. Built for performance and flexibility, they support applications ranging from hydronic networks to district heating – helping maintain stable temperatures and improve system efficiency.
Manufactured to match client-supplied hydraulic drawings, each unit is fully bespoke and adaptable to the specific project. Core components include inverter-driven pumps, safety valves, sensors, and a centralised control board – all mounted on a durable, powder-coated steel frame.
Optional features such as buffer tank integration, dual pump configurations, and intelligent controls provide added functionality. With scalable capacities and wide compatibility, Refra’s heating pump stations deliver reliable operation in even the most demanding heating environments.
Please note, that these products can be fully customised according to your specifications.
