船用鑄鋼法蘭直通截止閥

JIS F7319 10K船用鑄鋼法蘭直通截止閥
10K Marine Cast Steel Flanged Globe Stop Valves
JIS F7471 10K船用鑄鋼法蘭直通截止止回閥
10K Marine Cast Steel Flanged Globe Stop Check Valves