JIS F 7472 Cast Steel 10K Screw- Down Angle Valves' Marine Cast Steel Screw Down Check Angle Valve uga bisa diarani Marine Cast Steel Angle SDNR Valve utawa SDNR Angle Valve. Cocog kanggo sistem pipa kanthi banyu seger, hawa lan gas liyane, lenga lan uap kanthi suhu ora luwih saka 300 derajat celcius.