铸钢/不锈钢法兰/对焊手动真空截止阀NKJ41/61H/Y/W-16/25/40/64C/I/P/R

NKJ61H-15~100 C

NKJ61Y-15~100 I/P/R

NKJ41H-16~25 C

KJ41Y-16~25 I/P/R

NKJ61H-16~25 C

NKJ61Y-16~25 I/P/R

主要外形尺寸和连接尺寸：

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