常闭型软阀座，主体CA***06，螺栓连接,软圆盘（垫圈类O形圈），内部材质：C3604，C6191交流普通直流普通交流防爆直流防爆螺纹连接M30C-15-A44-BS11-TFM30C-15-D44-BS11-TFM30C-15-AE44-BS11M30C-15-DE44-BS11M30C-20-A44-BS11-TFM30C-20-D44-BS11-TFM30C-20-AE44-BS11M30C-20-DE44-BS11M30C-25-A44-BS11-TFM30C-25-D44-BS11-TFM30C-25-AE44-BS11M30C-25-DE44-BS11M30C-32-A44-BS11-TFM30C-32-D44-BS11-TFM30C-32-AE44-BS11M30C-32-DE44-BS11法兰连接M30C-15-A44-BF11-TFM30C-15-D44-BF11-TFM30C-15-AE44-BF11M30C-15-DE44-BF11M30C-20-A44-BF11-TFM30C-20-D44-BF11-TFM30C-20-AE44-BF11M30C-20-DE44-BF11M30C-25-A44-BF11-TFM30C-25-D44-BF11-TFM30C-25-AE44-BF11M30C-25-DE44-BF11M30C-32-A44-BF11-TFM30C-32-D44-BF11-TFM30C-32-AE44-BF11M30C-32-DE44-BF11M30C-40-A44-BF11-TFM30C-40-D44-BF11-TFM30C-40-AE44-BF11M30C-40-DE44-BF11M30C-50-A44-BF11-TFM30C-50-D44-BF11-TFM30C-50-AE44-BF11M30C-50-DE44-BF11常闭型软阀座，主体CA***06，螺栓连接,金属圆盘（垫圈类O形圈），内部材质：C3604，C6191交流普通直流普通交流防爆直流防爆螺纹连接M30C-15-A44-BS21-TFM30C-15-D44-BS21-TFM30C-15-AE44-BS21M30C-15-DE44-BS21M30C-20-A44-BS21-TFM30C-20-D44-BS21-TFM30C-20-AE44-BS21M30C-20-DE44-BS21M30C-25-A44-BS21-TFM30C-25-D44-BS21-TFM30C-25-AE44-BS21M30C-25-DE44-BS21M30C-32-A44-BS21-TFM30C-32-D44-BS21-TFM30C-32-AE44-BS21M30C-32-DE44-BS21法兰连接M30C-15-A44-BF21-TFM30C-15-D44-BF21-TFM30C-15-AE44-BF21M30C-15-DE44-BF21M30C-20-A44-BF21-TFM30C-20-D44-BF21-TFM30C-20-AE44-BF21M30C-20-DE44-BF21M30C-25-A44-BF21-TFM30C-25-D44-BF21-TFM30C-25-AE44-BF21M30C-25-DE44-BF21M30C-32-A44-BF21-TFM30C-32-D44-BF21-TFM30C-32-AE44-BF21M30C-32-DE44-BF21M30C-40-A66-BF21-TFM30C-40-D66-BF21-TFM30C-40-AE66-BF21M30C-40-DE66-BF21M30C-50-A66-BF21-TFM30C-50-D66-BF21-TFM30C-50-AE66-BF21M30C-50-DE66-BF21常闭型软阀座，主体CA***06，螺栓连接,金属圆盘（垫圈类聚四氟乙烯），内部材质：C3604，C6191)