Raccorderie Metalliche and thermal solar plants

The production of thermal solar plants is consistently growing and the liquid inside these plants reaches extremely high temperatures, so it must be added with Glycol in order for it to not evaporate. These conditions are rather critical, however Raccorderie Metalliche extended the use of Pressfitting to the thermal solar sector. A further witness of quality and safety of Raccorderie Metalliche's Pressfitting products.

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Raccorderie Metalliche and thermal solar plants

steelPRES

It is the range of unbonded steel Pressfitting pipes and fittings available from Ø 12 to Ø 108 mm.

Fittings are made in E195 (n. 1.0034) and galvanized. For a similar application, fitting is suggested on an externally galvanized pipe in E220 (n. 1.0215) available in the same diameters. The pipes are longitudinally welded, bordered and calibrated. All steelPRES fittings are pre-fitted EPDM O-Ring, soon replaced by a green FKM O-Ring developed to be used at high temperatures -20/+220° C and compatible with Glycol inside the plant.

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inoxPRES, inoxPRES UNIKO, inoxPRES 304L and inoxPRES UNIKO 304L

They represent the fusion of stainless steel quality with the benefits of the Pressfitting system.

Raccorderie Metalliche developed its own bonded CrNiMo 1.4404 (AISI 316L) steel products, Ø 15 to Ø 108 mm. As to supply designers and installers the best possible solution, inoxPRES fittings can be used with 4 different ranges of stainless steel pipes:

complete range in 1.4404 (AISI 316L) raw steel, available Ø 15 to Ø 108 mm
complete range in 1.4404 (AISI 316L)annealed steel, available Ø 15 to Ø 108 mm
complete range in 1.4301 (AISI 304) steel, available Ø 15 to Ø 108 mm
complete range in 1.4301 (AISI 304) steel, reduced thickness, available Ø 15 to Ø 108 mm
complete range in 1.4521 (AISI 444) steel, available Ø 15 to Ø 54 mm

The pipes are longitudinally welded, bordered and calibrated. Stainless steel high resistance to corrosion makes inoxPRES system by Raccorderie Metalliche the most suitable solution for thermal solar plants and circuits. At the civil and industrial level as well where processes and processing can lead to aggressive and corrosive environments, such a material turns out to be the most suitable solution.
All inoxPRES fittings are pre-fitted EPDM O-Ring, soon replaced by a green FKM O-Ring developed to be used at high temperatures -20/+220° C and compatible with Glycol inside the plant.
Raccorderie Metalliche has developed additional stainless steel ranges suitable for solar systems: inoxPRES UNIKO (UNIKO profile – AISI 316L), inoxPRES 304L (M profile – AISI 304L), inoxPRES UNIKO 304L (UNIKO profile – AISI 304L)

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inoxPRES HT

The Pressfitting system for pipes and fittings in bonded CrNiMo 1.4404 (AISI 316L) steel, Ø 15 to Ø 108 mm.
For those applications where the degreasing of the system is required (i.e. varnishing installations) the new InoxPRES FKM silicon free range is available.

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aesPRES and aesPRES UNIKO

In DHP 99.9 (CW024A) copper, CuSn5Zn5Pb2 (CC449K) bronze, and CuZn21Si3P (CW724R) brass, the ranges of press fittings from Ø15 to Ø54mm by Raccorderie Metalliche
Copper is a noble material, long known for its high corrosion resistance and durability. The fittings are equipped with an EPDM O-Ring, factory-installed, and have met and exceeded the tests of major European certifications. The certified pressure is PN16, and the O-Ring compound operates at temperatures ranging from -20 to +120° C.

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marinePRES

marinePRES system consists of pipes, fittings, tooling and installation materials. 5 certifications, obtained by Raccorderie Metalliche on the marinePRES product, confirm quality and reliability for applications such as heating, cooling, compressed air and fire protection systems. The range of pipes made in copper/nickel 90/10 CuNi10Fe1.6Mn alloy according to the DIN86019 standard consists of seamless calibrated pipes, Ø15 to 108 mm. Fittings are fitted with a “M-shaped” profile toroidal chamber, optimized thanks the 25 year research experience. Inside each fitting, a green FKM O-Ring, with a patented profile, is directly fitted at the end of production, providing for an operating use between -20° and +120°C and PN16 approved.

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