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CONEXA is your supplier for highest demands in fluid technology. For all applications. In steel and stainless steel.

Technical Information: Materials and surface treatment

Materials

The following materials are used for CONEXA products:

CONEXA
Precision Fittings
Steel Stainless steel
Barstock 11SMn30 (1.0715)
11SMnPb30 (1.0718)
X6CrNiMoTi17-12-2 (1.4571)
Form forgings C35 (1.0501),
C45 (1.0503)
X6CrNiMoTi17-12-2 (1.4571)
CONEXA
Weld Nipple Fittings
Steel Stainless steel
Barstock C15 (1.0401), C22 (1.0402) X6CrNiMoTi17-12-2 (1.4571)
Form forgings C15 (1.0401), C22 (1.0402) X6CrNiMoTi17-12-2 (1.4571)
CONEXA
Elastomeric seals
For
steel fittings
For
stainless steel fittings
O-Rings NBR (Standard)
FKM (optional)
FKM (Standard)
Elastomeric seals NBR (Standard)
FKM (optional)
FKM (Standard)

Coating

The general properties of the material of stainless steel fittings make these resistant to atmospheric attack as well as any inorganic and organic medium (see Fluid Compatibility).

Tube fittings made of steel must be protected against erosive corrosion and pitting corrosion by means of a sophisticated coating.

Steel fittings from CONEXA are

  • zinc coated by galvanization
  • Thick-film passivated Cr(VI)-free
  • coated with an additional nano-protection


The resistance of CONEXA fittings in salt spray tests in accordance with ISO 9227 has an average value of:

  • Resistance in terms of white rust > 250 h
  • Resistance in terms of red rust > 500 h

The Cr(VI)-free passivation of CONEXA products is non-harmful to the environment and complies with the EU-regulation 2000/52/EC.

All steel welding fittings are shipped with a phosphate conversion coating.


Kataloge

CONEXA Catalogs

CONEXA Paper Catalog

The new online product catalogs from CONEXA are available in Englisch and German.

CONEXA Kontakt

Contact

CONEXA GmbH
Präzisionsarmaturen
Vorm Berge 1
D - 34346 Hann. Münden

phone+49 (0)5541 98770

fax+49 (0)5541 987777

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CONEXA Hann.Münden

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CONEXA GmbH
Präzisions-Armaturen
Vorm Berge 1
D - 34346 Hann. Münden
phone+49 (0)5541 98770

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