详细介绍: D71X-16加长杆手动对夹式蝶阀,D371X-16加长杆蜗轮对夹式蝶阀,D373H-16C蜗轮对夹式硬密封加长杆蝶阀,D343H-16P不锈钢法兰加长杆硬密封法兰蝶阀,LTD371X美标加长杆凸耳式蝶阀,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 |