Swivel flange SNG-50 for cylinder DNG, DNGU, matching bearing block LSNG, LSNSG. Size=50, Based on standard=ISO 15552 (previously also VDMA 24652, ISO 6431, NF E49 003.1, UNI 10290), Corrosion resistance class KBK=2, Ambient temperature=-40 - 150 °C, Product weight=445 g