Swivel flange CRSNCS-40 Size=40, Based on the standard=ISO 15552 (previously also VDMA 24652, ISO 6431, NF E49 003.1, UNI 10290), Variants=Excellent corrosion protection, Corrosion resistance classification CRC=4 - Very high corrosion stress, Ambient temperature=-40 - 150 °C
