Buffer Tanks

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Commercial & Industrial Buffer Vessels for Thermal and Chilled Water Systems

Buffer vessels play a crucial role in both heating and cooling systems by providing essential thermal storage. Positioned between the primary heat source (such as a biomass boiler, chiller, or heat pump) and the distribution network, these vessels help to balance energy supply and demand — ensuring your system runs efficiently and reliably.

Whether you're managing a chilled water circuit or a high-temperature heating network, buffer tanks offer the additional capacity needed to handle peak loads, minimise equipment cycling, and stabilise temperatures across the system. They are especially important when system demand fluctuates or when multiple heat sources are in use.

Our buffer vessels are manufactured in high-grade carbon steel or stainless steel and designed to meet the requirements of closed-loop systems. Available in vertical and horizontal configurations, our tanks are PED-compliant and suitable for a wide range of industrial, commercial, and renewable energy applications.

Myriad can supply buffer tanks from 1,000ltr to 100,000ltr for water up to 110 degC so please contact us if you need a quote for a Buffer tank

Contact us if you need a quote for a Buffer tank

Commercial Buffers - Vertical tanks

Designed specifically for use with biomass boilers, our buffer vessels are engineered to enhance system efficiency, reduce boiler cycling, and provide essential thermal storage for periods of peak demand. Each unit is manufactured in carbon steel or stainless steel and fully compliant with the Pressure Equipment Directive (PED 2014/68/EU).

Buffer tanks can be custom-built to suit the specific needs of your project. Whether you require 10 litres or 100,000 litres of capacity, we can tailor the size, diameter, height, and connection locations to integrate seamlessly into your biomass heating system.

Installation items to consider:

  • Indoor Use: Unless specifically ordered for external installation, all vessels should be positioned indoors although external insulation can also be supplied if required.

  • Base Support: Ensure the base is level and structurally capable of supporting the full operating weight of the vessel.

  • Access: If your vessel includes an inspection hatch or manway, allow sufficient clearance for maintenance access.

Our buffer vessels are an ideal addition to biomass boiler installations, helping to stabilise heat output, optimise fuel use, and extend the life of your heating system.

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Industrial Buffers - Horizontal Tanks

When tanks capacity exceeds 20,000ltr it is best to consideer whether a horizontal tank is more suitable.

Our buffer vessels are specifically designed to complement biomass heating systems, helping to store excess heat, reduce boiler cycling, and ensure stable and efficient system performance. Each vessel is manufactured from high-quality carbon steel or stainless steel and fully complies with the Pressure Equipment Directive (PED 2014/68/EU).

All dimensions, capacities, and connection points are fully customisable. Whether your system requires a compact 10-litre vessel or a large 100,000-litre thermal store, we can design a solution tailored to your exact requirements. Vessel height, diameter, and connection positioning can all be adapted to suit your installation space and hydraulic layout.

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