Flange mounting FNG-320 For cylinders DNG, DSBG. Size=320, Conforms to standard=ISO 15552 (previously also VDMA 24652, ISO 6431, NF E49 003.1, UNI 10290), Corrosion resistance classification CRC=1 - Low corrosion stress, Ambient temperature=-40 - 150 °C, Product weight=15109 g
