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Metaloterm System in Bunhill 2 Energy Centre.

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Metaloterm System in Bunhill 2 Energy Centre.

Another innovative installation using Schiedel Metaloterm took place in London. Airtherm used Schiedel Metaloterm MF on a "Worlds First" project in London.

Airtherm design, supply and install a wide range of efficient, high performance systems including flues & chimneys, natural ventilation & lighting, kitchen ventilation, air conditioning (comfort cooling), heat recovery & heat pumps and solar photovoltaic (PV) panels for commercial, industrial and private sectors. They use products of the highest quality, such as the Schiedel Metaloterm range and can boast experienced engineers with excellence in their field.

The MF system is manufactured using 0.6mm thick grade fully welded inner liner, 0.5mm thick grade 304 stainless steel outer casing with 25mm thick rockwool insulation. The product is proven and pressure tested for use on applications up to 5,000 Pascal (H1) rating. Also, with the positioning of the system, the choice was to have the flue polyester powder coated to Ral 7005

Colloide Engineering Systems were the main contractor on the construction of the Bunhill 2 Energy Centre, commencing in December 2016. The scheme provides a blueprint for de-carbonising heat in potential future schemes in London and around the world, reducing heating bills and carbon emissions while improving air quality and making cities more self-sufficient in energy.

The various benefits include:

Reliable and secure energy supply
Reduces CO2 emissions by around 500 tonnes each year.
Reducing heating costs and energy bills for residents to provide a buffer against increasing fuel costs
Reducing fuel poverty in the borough
Long-term flexible and expandable solution
Achieving efficiencies of scale

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Paddy McGuinness, Managing Director of Colloide explains:

“This project makes use of existing waste heat from the London Underground extraction shaft and harnesses that energy into the district heating network which gets used in the local homes. The main technology used for this is the ammonia heat pump, the pump transfers the warm air into warm water and then subsequently into the district heating network. As a result, this project provides cheaper, greener energy to the local community. We’ve extended the existing heat network on Bunhill and this connects to the new energy centre but it also connects an additional 500 homes to the network.”

It's not only heat which is provided by the Bunhill 2 system. The innovative fan in the ventilation system can be reversed to assist in cooling the London Underground network when required.

Bunhill 1 was launched in 2012 by Islington Council and this second stage takes advantage of a disused City Road Underground Station which was abandoned for nearly a century. It has now been renovated and contains a 500Kw ammonia heat pump which is driven by heat recovery from a heat exchanger coil within a London underground shaft. An innovative and futuristic way of recovering all aspects of energy such as the warm air lost throughout the northern line tube.

Schiedel Metaloterm MF System

The heating system is flued by the Schiedel Metaloterm system, which is a modular twin wall insulated flue/chimney system, made of stainless steel, with a sealing ring. Metaloterm® MF is a universal flue/chimney system which is suitable for both high and low temperatures, non-condensing and condensing applications with flue gasses in positive and negative pressure.

It can resist a chimney fire. Therefore the system is suited for a wide range of applications such as boilers, stoves and ovens.

The product range also contains a wide variety of silencers. For Passive houses the Metaloterm assortment provides the Iso-block which can be combined with MF. The system can also be used for CHP applications, in this case a special VITON® sealing ring might be necessary. Due to the proven quality Metaloterm® MF has a 10 year guarantee.

Get in touch

For more information on how we can help you in your commercial projects, please feel free to contact us on 0191 4161150 or email info.uk@schiedel.com

Applications

Atmospheric gas-fired boilers
Condensing boilers
Wood-fired stoves
Industrial ovens, large-scale establishments

Advantages

Universal chimney/flue system
Inner- and outer wall from high quality stainless steel
No terminal bridges, uninterrupted insulation from base plate to top stub
Stress free thermal expansion
Fast-build system without the need of sealants
Compatible with system Metaloterm® ME, UE and EN
High density and high quality insulation
High-temperature silicone sealing ring
Lightweight elements
Immediately ready for use
Chimney fire resistant

Application	Chimney/Flue system
Operating mode	Dry/wet
Pressure	Negative/positive pressure
Max. working pressure	5000 Pa
Operating temperature	600 °C negative pressure
	200 °C positive pressure
Max. temperature allowed	600 °C negative pressure

Fuel Type
Sealant	Elastomer
Fuel type	Oil/wood/coal/pellets normal(wood)/gas
Sealant	Elastomer (in case flue gas temperatures exceed 200°C, sealants as well as the cap and sopor seals have to be removed before installation)

Insulation
Type	Mineral wool
Thickness	Ø100 - 400: 25 mm Ø450 - Ø600: 37,5 mm Ø700 - Ø1000: 50 mm

Inner wall
Material	AISI 316L/EN 1.4404
Thickness	Ø100 - Ø250: 0,4 Ø300 - Ø400: 0,5 Ø450 - Ø700: 0,6 Ø800 - Ø1000: 0,8

Outer wall
Material	AISI 304/EN 1.4301
Thickness	Ø100 - Ø400: 0,5 Ø450 - Ø700: 0,6 Ø800 - Ø1000: 0,8

Inner diameter (mm)	100	130	150	180	200	250	300	350	400	450	500	600	700*	800*	900*	1000*
Outer diameter (mm)	150	180	200	230	250	300	350	400	450	525	575	675	800	900	1000	1100
Cross Section (cm2)	79	133	177	254	314	491	706	962	1256	1590	1963	2826	3848	5027	6362	7854
Weight ±kg/m	6	7	8	9	10	12	16	19	21	26	28	34	44	58	65	72

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More Case Studies

Click any of the below to see some of our recent projects. Also, you can visit the Schiedel Metaloterm website for other Schiedel Metaloterm MF Case Studies.

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Schiedel, a Standard Industries company, is a leader in flue-ducting, integrated stove and ventilation solutions and creates technically advanced, design driven products to improve the living environment. As Europe's leading supplier of highly energy-efficient chimney systems and using its shaft competence to complete the offering with integrated ventilation and stove systems,

Schiedel stands for 70 years of market experience, durable and highly sophisticated complete systems, intelligent mounting solutions and customized service. Schiedel is headquartered in Nussbach, Austria.

Learn more at www.standardindustries.com