Marine Nodular Iron SDNR Valve or Marine Ductile Iron SDNR Valve is from small size DN15~DN40.
Design Standard: JIS F7312C-1996
Test Standard: JIS 7400-1996
Hydraulic Test Pressure: Body-1.05Mpa, Seat-0.77Mpa
Flange size as per JIS B2220 -5K
*SDNR Valve means Screw Down Non Return Valve.
