Size: DN50 up to DN600 (bigger size on request). Connection type: flanged, between flanges. Nominal pressure: 05K /10K. Body material: cast iron (GG25), nodular cast iron (GGG40), bronze, stainless steel. Temperature range: -10°C ..+100°C. Seat: EPDM, NBR, Metal to metal. Standard: JIS. Use: seawater, hot and cold water, steam, neutral fluids, heating. Datasheet: 1) FIG. 04-002.1J10K (flanged non-return) 2) FIG. 04-232J05K (non-return duo type)