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Compressed air plantsPressure safety at the highest possible levels

Raccorderie Metalliche and compressed air plants

Compressed air means atmospheric air reduced in volume through a reciprocating compressor or pump, placed under pressure in a tank.
Compressed air is used in various industrial sectors. The required application conditions the design choices, the use of different filtration systems and the introduction of various working and processing instruments.

Raccorderie Metalliche designed its Pressfitting products for compressed air and inert gas plants in 4 different materials and a dedicated range, as to provide for the best solution to any installer and designer requirement. In case of maintenance of the existing circuits or the fitting of modern plants, for civil use or aggressive industrial processes, the Pressfitting system by Raccorderie Metalliche will always provide for the most suitable solution.
Raccorderie Metalliche and compressed air plants

inoxPRES

The best proposal matching features of stainless steel and benefits of the Pressfitting system.

The inoxPRES range is the most suitable for the delivery of compressed air, being made both for pipes and fittings, in stainless steel, a "clean" material, highly resistant to corrosion and mechanically very efficient.

Raccorderie Metalliche developed its own bonded CrNiMo 1.4404 (AISI 316L) steel products,  Ø15 to Ø108 mm. The choice of the inoxPRES range is recommended especially when the air quality is an important requirement for equipment connected to the network. In such cases we recommend the use of stainless steel pipes AISI 316 l (1.4404) or AISI 304 (1.4301).

As to supply designers and installers the best possible solution, inoxPRES fittings can be used with 2 different ranges of stainless steel pipes:
 
  • complete range in 1.4404 (AISI 316L) steel, available Ø15 to Ø108 mm
  • complete range in 1.4301 (AISI 304) steel, available Ø15 to Ø108 mm
  • complete range in 1.4301 (AISI 304) steel, reduced thickness, available Ø15 to Ø108 mm
  • complete range in 1.4521 (AISI 444) steel, available Ø15 to Ø54 mm

The pipes are longitudinally welded, bordered and calibrated. Stainless steel high resistance to corrosion makes inoxPress 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. Such a material is even more suitable for processing or processes carried out in aggressive and corrosive environments and where the air quality is important and is to be guaranteed. 
All inoxPRES joints are pre-fitted EPDM O-Ring, compatible with any plants, Class 1 to Class 4 (ISO 8573-1/2001) and approved PN16. As for plants with oil residues Class 5, Raccorderie Metalliche developed a new range named “Silicon Free” with green O-Ring in FKM.

The press systems are indicated only for industrial applications while medical purposes are excluded. The choice and the implementation of the piping type or system, depending on the type of application is responsibility of the planner/installer.

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Technical Handbook - Compressed Air
Raccorderie Metalliche and compressed air plants

steelPRES

It is the range of unbonded steel Pressfitting pipes and fittings available from Ø12 to Ø108 mm.

Fittings are made in E195 (n. 1.0034) and galvanised. According to the type of plant, the fittings can be fitted to two different types of pipes: externally galvanised in E220 (n. 1.0215) or internally and externally galvanised in E190 (n.10031). The pipes are longitudinally welded, bordered and calibrated. All steelPRES fittings are pre-fitted with EPDM O-Rings compatible  with any plants, Class 1 to Class 4 (ISO 8573-1/2001) and approved PN16. As for plants with oil residues Class 5, Raccorderie Metalliche developed a green O-Ring in FKM replacing the standard O-Ring. 

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Raccorderie Metalliche and compressed air plants

aesPRES

In DHP 99.9 (CW024A) copper and CuSn5Zn5Pb2 (CC449K) bronze, it is the pressfitting range, from Ø15 to Ø54 mm offered by Raccorderie Metalliche.

Copper is a noble material well-known for its high resistance to corrosion and duration in time. The system is suitable to plants where there is no drier. All the aesPRES fittings by Raccorderie Metalliche are pre-fitted with an EPDM O-Ring, compatible with any plant, Class 1 to Class 4 (ISO 8573-1/2001) and approved PN16. As for plants with oil residues Class 5, Raccorderie Metalliche developed a green O-Ring in FKM replacing the standard O-Ring.

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Raccorderie Metalliche and compressed air plants

marinePRES

The range of pressfitting pipes and joints, Ø15 to Ø108 mm by Raccorderie Metalliche in copper/nickel 90/10 CuNi10Fe1.6Mn alloy.

The marinePRES alloy is the best solution when the material intrinsic corrosion-proof features are required to assemble the plant. The use of marinePRES by Raccorderie Metalliche is suitable in general for applications in saline and corrosive media, as in time it proved to be extremely reliable. The system is suitable for plants with no drier. All marinePRES fittings are fitted with a green O-Ring in FKM, compatible with Class 1 and 5 plants (ISO 8573-1/2001) and PN16 approved.

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