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Housing material

SDAF housings are made standard from ASTM A48 grade 30 grey cast iron, which is equivalent to ISO 185:2005 grade 200. SDAF extended range housings are made standard from ASTM A48 grade 40 grey cast iron,  which is equivalent to ISO 185:2005 grade 275.

Paint, corrosion protection

All SDAF housings are painted blue (RAL 5001). The paint protects the housing in accordance with ISO 12944-2:1998, corrosivity category C2 (i.e. exterior atmospheres with low levels of pollution, interior atmospheres where condensation may occur). The paint is not affected by most lubricating or engine oils, cutting fluids or alkalescent washing chemicals. Housings can be repainted with most water solvent based 1- or 2-component paints.
Unpainted surfaces are protected with a rust inhibitor. Special paints or preservatives can be supplied on request.
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