Glossary

Aespres

Pressfitting system composed of pipes and fittings, with an “M-shaped” profile, made of copper and bronze; available in 12-54mm diameters.

Aisi 316 L

Stainless steel; austenitic bonded Cr-Ni-Mo AISI 316L stainless steel (material No 1.4404). InoxPRES pressfitting systems are made of stainless steel AISI 316L, which, unlike AISI 316, have a lower carbon content that gives steel a greater resistance to corrosion.

BIM

Building Information Modeling; an innovative technology - convenient, flexible and increasingly professional - for designing plants for Raccorderie Metalliche pressfitting systems.

Carbon Steel

Black steel; unbounded steel with material number E195, to which a zinc layer is applied galvanically, to increase protection against external corrosion.

Certifications

Certificates; product or company certifications. 

Chain

Tooling, parts of pressfitting systems tools.

Civil

The civil sector; plumbing and sanitation sector. Raccorderie Metalliche products have multiple uses in the civil sector, in order to meet any requirement. 

Compressed Air

Compressed-air plants; atmospheric air whose volume has been reduced by a compressor or a pump, then pressurised within a tank. 

Cooling

Cooling plants, cooling circuits. InoxPRES, steelPRES, and aesPRES pressiftting systems may be used in cooling, open and closed-circuits (inoxPRES and aesPRES), closed circuit (steelPRES) with operating temperatures of -20 /+120 °C and with black EPDM O-Ring.

Coupling

Component of pressfitting systems; fitting; connection available in various materials (stainless steel, carbon steel, copper, and cupronickel).

Curve

Component of pressfitting systems; fitting, connection available in various materials (stainless steel, carbon steel, copper, and cupronickel)

Cutter

Cutting tool; tools for pressfitting systems; tool for cutting pipes; alternatively, you may use fine-tooth saws or electromechanical saws.

Deburring

Deburring tool; pipe deburring; tool for pressfitting systems; tool to remove chips and impurities in the tube cutting area as to avoid damaging the o-ring during fitting.

Deformation

Mechanical process following the pressing of the the tube-joint connection.

Draining

Draining systems; RM Drain; pushfitting systems; AISI 316L stainless steel connections that do not require any equipment, used mainly in the naval sector.

E195

Black steel; unbounded steel with material number E195, to which a zinc layer is applied galvanically, to increase protection against external corrosion.

EPDM

Ethylene-Propylene Diene Monomer; patented lens-shaped sealing ring placed at the bulging edges of pressfitting fittings.

Equipment

Pressing machine; pressing machines; pressing tools composed of a pressing machine that acts on the fitting by imparting a force through jaws or specific chains for each diameter, obtaining deformation and thereby ensuring mechanical sealing. 

Fitting

Component of pressfitting systems; fitting available in various figures (e.g. curve, coupling, tee, etc.)

FKM

O-Ring; Oring; OR; fluorocarbon rubber; patented lens-shaped sealing ring placed at the bulging edges of pressfitting fittings with inoxPRES HT’s system for silicone free plants.

Gas

Gas plants. Gas and LGP plants require pipes and fittings that are highly rated in terms of quality and safety. 

HT

Pressfitting systems for silicone free plants; HT; FKM. InoxPRES “Silicone free” range of products; made of stainless steel, with FKM O-Ring used in the industrial sector, where degreasing conditions of all components, pipes and fittings are mandatory for a correct management of the whole plant.

Industrial

Industrial sector; plants for the industrial plumbing and sanitation sector.

Inoxpres

The correct wording of this system is inoxPRES, and not inoxPRESS, inox PRESS, inox PRES; Pressfitting system composed of pipes and fittings, with “M-shaped” profile, made of stainless steel (inox) in AISI 316L; available in sizes ø 12÷168 mm. 

Inoxpres Gas

inoxPRES GAS; Pressfitting system composed of pipes and fittings, with “M-shaped” profile, made of stainless steel (inox) in AISI 316L for all natural and LPG applications; available in sizes ø 15÷108 mm.

Insertion Dimension

The distance between the badging on the pipe / fitting and the toroidal chamber of the fitting.

Jaws

Equipment; components of pressfitting systems; tools. systems in sizes ø 22÷35 mm have to pressed using jaws.

Lens-shaped

Having the shape or appearance of a lens; “M-shaped” profile. Raccorderie Metalliche uses a patented lens profile sealing, which adheres perfectly to the toroidal chamber and ensures a greater sealing surface (+20%), no fluid in the O-Ring seat, as well as reducing the risk of damages while positioning.

Marinepres

Pressfitting system composed of pipes and fittings, with “M-shaped” profile, made of cupronickel; available in sizes ø 15÷108 mm.

Marking

The fittings are laser-marked with the manufacturer’s name, the diameter, the DVGW check mark, and an internal code.

Naval

Naval sector; naval plumbing. Raccorderie Metalliche products have multiple uses in the naval sector, in order to meet any requirement. 

Oversize

Pressfitting range made of AISI 316L stainless steel, available in sizes ø 139.7mm and 168.3mm.

PN16

Nominal pressure 16 bar; maximum internal allowable pressure (in bar) of a mechanical component, considering a temperature of 20 °C.

Potable Water

Potable water plants; potable water distribution does not simply mean transporting water to households or to an industrial production process; but it means protecting water purity in time.

Pressfitting System

Pressfitting system; system for the connection of pipes and fittings, which are united by means of electromechanical pressing machines.

Pressfittings Fittings

Pressfitting fittings; pressfitting system, ensuring constant performance quality, minimum efforts, and rapid implementation.

Sealing Ring

O-Ring; patented lens-shaped seal, which adheres perfectly to the toroidal chamber.

Silicone free

Pressfitting systems for silicone free plants; HT; FKM. InoxPRES “Silicone free” range of products; made of stainless steel, with FKM O-Ring used in the industrial sector, where degreasing conditions of all components, pipes and fittings are mandatory for a correct management of the whole plant.

Steam

Pressfitting systems for saturated steam plants; ST. Product range inoxPRES "STEAM" made of stainless steel with ST O-Ring. The saturated steam is used in huge amounts in industrial settings: petrochemical industry, laundries and ironing shops, the food industry, sugar refining, cosmetic industry, pharmaceutical and medical sector, hospitals.

Steam

Saturated steam plants; ST. Product range inoxPRES "STEAM" made of stainless steel with ST O-Ring. The saturated steam is used in huge amounts in industrial settings: petrochemical industry, laundries and ironing shops, the food industry, sugar refining, cosmetic industry, pharmaceutical and medical sector, hospitals.

Steelpres

The correct wording for this system is Steelpres, and not Steelpress, steel pres, steel press. Pressfitting system composed of pipes and fittings, with an “M-shaped” profile, made of E195 carbon steel, available in diameters 15-108mm

Tee

Component of pressfitting systems; fitting; fitting; T-shaped fitting available in various materials (stainless steel, carbon steel, copper and cupronickel)

Tools

Tools; components of pressfitting systems. Pressing tools are composed basically of a pressing machine equipped with encircling jaws or a chain.

Toroidal Chamber

Seat of the O-Ring

Zinc-Coated

Operation through which carbon steel is dipped in a bath of zinc, to protect it from oxidation.

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