DN400 PZ941H-40C PZ941Y-40C 开关型电动排渣阀 电动矿浆闸阀 ¥2750.00 上海沪工 京蝶阀门PZ941Y-25型法兰连接电动排渣闸阀 ¥111.00 PZ941Y-25C 电动排渣闸阀 WCB铸钢硬密封排渣闸阀 PZ941Y DN400 ¥95.00 PZ41H-25C DN80 排渣闸阀、灰渣闸阀PZ41H-16C/25C PZ941Y密封耐磨 ¥108.00 PZ941Y-25C 电动法兰排渣闸阀 矿用防爆电动陶瓷排渣闸阀 DN125 ¥2000.00 排渣闸阀、灰渣闸阀PZ41H-16C/25C PZ941Y密封耐磨 ¥1660.00