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。意本蝶阀产品：美标凸耳式蝶阀，D373H不锈钢日标蝶阀，D343H多层次金属硬密封蝶阀，D73H型对夹式硬密封蝶阀，D671H型气动对夹式弹性硬密封蝶阀，D971H型电动对夹式弹性硬密封蝶阀，气动法兰式弹性硬密封蝶阀，D643H型气动法兰式弹性硬密封蝶阀，D71X型手动对夹式软密封蝶阀，D371X型蜗轮对夹式软密封蝶阀，D671X型气动对夹式软密封蝶阀，D971X型电动对夹式软密封蝶阀，D671X型对夹式软密封蝶阀，D343H型蜗轮法兰式多层次硬密封蝶阀，D943H型电动法兰式多层次硬密封蝶阀，D341X型蜗轮法兰式软密封蝶阀，D941X型电动法兰式软密封蝶阀，D641X型气动法兰式软密封蝶阀，D943H型电动法兰式弹性硬密封蝶阀，BWS(F)X型消防专用信号蝶阀，XD373F（H、X）型信号蝶阀，D343H加长法兰式法兰式多层次硬密封蝶阀，D943H电动法兰式弹性金属密封蝶阀，TD941W型电动通风蝶阀，TD641W型气动通风蝶阀，TD341W型蜗轮通风蝶阀，SD943H型电动法兰式伸缩器蝶阀，SD643H型气动法兰式伸缩器蝶阀，SD343H型蜗轮法兰式伸缩器蝶阀，手动法兰式伸缩器蝶阀SD343H型，D343H法兰式多层次金属硬密封蝶阀，D943H型法兰式电动弹性硬密封蝶阀，D341X型法兰式蜗轮软密封蝶阀，D371H型对夹式蜗轮弹性硬密封蝶阀，D371X型对夹式蜗轮软密封蝶阀，法兰电动蝶阀D943H，DD371X防盗蝶阀，电动硬封蝶阀D941H，不锈钢气动蝶阀D671X10CP，气动蝶阀D643H-16C，D373HF-16P不锈钢硬密封蝶阀，法兰手动喷塑蝶阀D343X，双向压硬密封蝶阀D343SH-25C，蓄能罐式液控止回蝶阀，HD7S43x重锤液控蝶阀，多层次硬密封蝶阀D343HF，硬密封法兰蝶阀D343H-16C-DN150，多层次对夹蝶阀D373H，不锈钢气动蝶阀D643H-16C，气动蝶阀-D371F，伸缩蝶阀SD343H-16C，不锈钢双向气动蝶阀D643H，通风蝶阀D343H、D343W 型 PN0.5~PN1，不锈钢电动蝶阀D943H，对夹电动蝶阀D973H，对夹气动蝶阀D673H-25C，硬密封加长杆蝶阀，手柄蝶阀D73H。
