详细介绍: D973H电动防爆型对夹式硬密封蝶阀,D943H-16P电动防爆带手轮调节型法兰蝶阀,D971X-16电动防爆调节型对夹式蝶阀,碳钢对夹式硬密封蝶阀D73H\W、碳钢涡轮对夹式硬密封蝶阀D373H\W、碳钢气动对夹式硬密封蝶阀D673H\W、碳钢电动对夹式硬密封蝶阀D973H\W、碳钢法兰硬密封蝶阀D43H\W、碳钢涡轮法兰硬密封蝶阀D343H\W、碳钢气动法兰硬密封蝶阀D643H\W、碳钢电动法兰硬密封蝶阀D943H\W、碳钢法兰多层次硬密封蝶阀H343HW、涡轮焊接硬密封蝶阀D363H\W、不锈钢对夹式硬密封蝶阀D73W\Y、不锈钢涡轮对夹式硬密封蝶阀D373W\Y、不锈钢气动对夹式硬密封蝶阀D673W\Y、不锈钢电动对夹式硬密封蝶阀D973H\W、不锈钢手动硬密封蝶阀D43W\Y、不锈钢涡轮法兰硬密封蝶阀D343W\Y、不锈钢气动法兰硬密封蝶阀D643W\Y、不锈钢电动法兰硬密封蝶阀D943W\Y、不锈钢多层次硬密封蝶阀H343W\Y、法兰美标金属硬密封蝶阀D343H\F-150LB、对夹式美标金属硬密封蝶阀D373H\F-150LB、对夹式软密封蝶阀D71X\F、对夹式涡轮软密封蝶阀D371X\F、对夹式气动软密封蝶阀D671X\F、对夹式电动软密封蝶阀D971X\F、法兰软密封蝶阀D41X\F、法兰涡轮软密封蝶阀D341X\F、法兰气动软密封蝶阀D641X\F |