foot mounting HNG-250 For cylinders DNG, DSBG. Size=250, Based on the standard=ISO 15552 (previously also VDMA 24652, ISO 6431, NF E49 003.1, UNI 10290), Conforms to standard=ISO 15552 (previously also VDMA 24652, ISO 6431, NF E49 003.1, UNI 10290), Corrosion resistance classification CRC=2 - Moderate corrosion stress, Ambient temperature=-40 - 150 °C Size 250 Based on the standard ISO 15552 (previously also VDMA 24652, ISO 6431, NF E49 003.1, UNI 10290) Conforms to standard ISO 15552 (previously also VDMA 24652, ISO 6431, NF E49 003.1, UNI 10290) Corrosion resistance classification CRC 2 - Moderate corrosion stress Ambient temperature '-40 ... 150 °C Product weight 17,084 g Materials note Free of copper and PTFEConforms to RoHS Material mounting SteelGalvanised Material screws SteelGalvanised