Specifications: The document outlines specifications for pipes and tubes according to DIN 11866 and DIN 11850 Series 2 standards. It includes details on clamp
fittings, specifically the CL-C Clamp Cross, with surface roughness values of Ra<0.8 and Ra<0.4.
Clamp Fittings:
The document provides a detailed table of clamp fittings, listing parameters such as nominal pressure (PN), nominal width (NW), diameter (D), inner diameter (d), wall thickness (w), and length (L). It also specifies material grades 1.4404 and 1.4435 for different sizes ranging from 8 to 200.
Hygiene Classes:
The document defines hygiene classes H3 and H4, indicating the internal surface finish requirements. H3 requires a finely turned internal surface with Ra ≤ 0.8 μm, while H4 requires a more refined finish with Ra ≤ 0.4 μm.
Standards and Norms:
The document references several standards including DIN 32676, ISO, INCH, EN ISO 1127, and ISO 2852, which are relevant to the specifications and applications of the fittings described.
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