www.stauff.com/6/en/#125 G 125 Admissible Working Pressures PTFE Ball Seats PTFE Ball Seats Glass-Fibre Reinforced PVDV Ball Seats Temperature in °C Temperature in °C Temperature in °C Pressure in MPa Pressure in MPa Pressure in MPa Surface Coatings Zinc/Iron-Coating Carbon steel products are supplied as standard with a high-quality zinc/iron-coating, which is a CrVI-free is a galvanic plated surface protection, corresponding to all demands according to the valid European regulations of the automobile industry, as well as the RoHS decree. Fe / ZnFe8 / Cn according to DIN 50979 Approx. 96 hours resistance against white rust in the salt spray test to DIN EN ISO 9227 Approx. 300 hours resistance against red rust in the salt spray test to DIN EN ISO 9227 Free of hexavalent chromium Cr(VI) RoHS compliant according to 2002/95/EC (Restrictions of the Use of Hazardous Substances) ELV compliant according to 2000/53/EC(End of Life Vehicles Directive) Besides the standard zinc/iron-coating, STAUFF can also supply the following surface coatings or surface treatments for the body materials: Carbon Steel zink/nickel-plated chemically nickel-plated varnished STAUFF Zinc/Iron-Coating Approx. 96 hours resistance against white rust Approx. 300 hoursresistance against red rust in the salt spray test to DIN EN ISO 9227 Yellow Zinc Plating Corrosion clearly visible after154 hours in the salt spray test to DIN EN ISO 9227 Phosphating Corrosion clearly visible after19.5 hours in the salt spray test to DIN EN ISO 9227 Catalogue 6 § Edition 06/2024 Technical Appendix Stainless Steel rotary or traction quality glass bead blasted electro polished ceramic finished Aluminium anodised hard anodised § Appealing colour scheme with a bright semi-gloss surface finish – comparable to Stainless Steel § Significantly reduced tendency to corrosion by contact with other metals (such as Aluminium and Stainless Steel) § Improved abrasion resistance due to the ductility / plastic deformability of the coating § Little to no risk of triggering allergies – nickel release is down to only a fraction of the statutory limits relating to objects which come into direct and prolonged contact with the skin (independent results of the reference test method according DIN EN 1811 are available on request) § Good paint adhesion properties § Resistance against all commonly used hydraulic media STAUFF Zinc/Nickel Coating Layers Sealing Passivation Zinc/Nickel Steel § At least 1200 hours resistance to red rust / base metal corrosion under practical conditions in the salt-spray chamber according to DIN EN ISO 9227 § White rust occurs only by way of a slight grey haze § Surpassing the requirements of the corrosion protection class K5 as defined by the VDMA, the German Engineering Association (360 hours resistance to white rust / 720 hours resistance to red rust) § Free of hexavalent chrome Cr(VI) § ELV compliant according to 2000/53/EC (End of Life Vehicles Directive) § REACH compliant according to 1907/2006/EC (Registration, Evaluation, Authorisation and Restriction of Chemicals) § RoHS compliant according to 2002/95/EC (Restrictions of the Use of Hazardous Substances) With at least 1200 hours resistance against red rust, the STAUFF Zinc/Nickel surface coating offers excellent surface protection – even after transport, handling and assembly. This was confirmed by testing in the salt-spray chamber according to DIN EN ISO 9227. Users across all industries and applications benefit from sophisticated technology, which has been developed for and used by the very demanding automotive industry for many years now and that is already the proven standard for a large proportion of STAUFF components since 2007.
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