JIS F 7471 Cast Steel 10K Screw-Down Check Globe ValvesMarine Cast Steel Screw Down Check Angle Valve uga bisa kasebut minangka Marine Cast Steel Angle SDNR Valve utawa SDNR Angle Valve. Iku cocok kanggo sistem pipe karo medium banyu seger, online & gas liyane, lenga lan uap karo suhu ora luwih saka 300 derajat celcius Standard Design: JIS F7471-1996