D343H-16C DN250蒸铸钢法兰蝶阀涡轮硬密封汽阀门
¥109.00
D343H-16C DN300硬密封涡轮法兰蝶阀铸钢
¥109.00
D343H-16C DN350铸法兰蝶阀涡轮硬密封阀门
¥109.00
D343H-16C DN400铸钢法兰式涡轮硬密封蝶阀
¥109.00
D343H-16C DN500三偏心双向金属硬密封法兰式蝶阀
¥109.00