JIS F7306 5K/7308 10K/F7310 16K上海工良閥門有限公司船用鑄鐵法蘭直角截止閥
5K/10K/16K Marine Cast Iron Flanged Angle Stop Valves
JIS F7354 5K/F7376 10K/F7378 16K船用鑄鐵法蘭直角截止止回閥
5K/10K/16K Marine Cast Iron Flanged Angle Stop Check Valves