... : marine check valve, marine globe valve, marine gate valve, SDNR valve,marine ball valve,quick closing valve, marine butterfly valve, marine hose valve, marine check globe valve, marine ... : 5K, 10K, 16K, 20K, 1.6Mpa, 6.4Mpa, 4.0MpaStandard: CB/T, GB, GB/T, CBM,ISO, JIS, DIN, ASTM, API ...