JIS-10K、日标铸铁闸阀、法兰明杆闸阀、硬密封闸阀Application1Face to Face is According to JISB20022Flange drilled is According to JISB2212TestWorkingpressure10KTestpressureShell21.1kgf/cm...
JIS-10K、日标铸铁暗杆闸阀、法兰闸阀、硬密封闸阀Application1Face to Face is According to JISB20022Flange drilled is According to JISB2212TestWorkingpressure10KTestpressureShell21.1kgf/cm...