Raccorderie Metalliche S.p.A. (RM) was founded as a family company in the Mantova province of Italy in 1970 and is specialised in the production and distribution of sleeves, fittings and elbows both in carbon steel and stainless steel and pipe fixing systems. In 1999 the company introduced inoxPRES, the press fitting system in stainless steel, and later steelPRES, the carbon steel press fitting system.

The company has a distinctive quality management system which has been certified in accordance with UNI EN ISO 9001:2008.

The Raccorderie Metalliche press fitting range have are tested and certified by WRAS, the DVGW in Germany and a wide range of other international organisations.

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Founded in 1989, isoplus Fjernvarmeteknik has consistently been a market leader, constantly introducing new technologies while designing, manufacturing and insulating thousands of kilometres of district heating systems. 

Their pipeline systems are efficiently manufactured in state-of-the-art production facilities in accordance with current European standards and guidelines, and under strict quality control.


IsoPlus is a market leading pre-insulated piping system, designed for direct laying and complementy by a complete range of pipes and components, including traditional pre-insulated pipes of steel, PEX, AluPEX, copper and SteelFlex. Piping is available with single or double carrier pipes. 
Their efficient systems are quick and simple to install, minimising effects on traffic, the surroundings and the environment.