1、设计新颖、合理、结构独特，重量轻，启闭迅速。
2、操力矩小，操作方便，省力灵巧。
3、可以任何位置安装，维修方便。
4、密封件可以更换，密封性能可靠达到双向密封零泄漏。
5、密封材料耐老化、耐弱腐蚀，使用寿命长等特点。

D641X法兰式气动蝶阀制造标准：
设计标准：GB/T2238-1989
法兰连接尺寸:GB/T9113.1-2000;GB/T9115.1-2000;JB78
结构长度:GB/T12221-1989
压力试验:GB/T13927-1992;JB/T9092-1999

D641X法兰式气动蝶阀主要零件的材质：

http://www.yyfmzz.com/

http://www.yyfmzz.com/category_53.html

http://www.yyfmzz.com/category_54.html

http://www.yyfmzz.com/category_55.html

http://www.yyfmzz.com/category_56.html

http://www.yyfmzz.com/category_57.html

http://www.yyfmzz.com/category_58.html

http://www.yyfmzz.com/productview_258.html D971X手电两用电动蝶阀

http://www.yyfmzz.com/productview_257.html D973W不锈钢电动蝶阀

http://www.yyfmzz.com/productview_256.html D971X精小型电动蝶阀

http://www.yyfmzz.com/productview_255.html D671X对夹软密封气动蝶阀

http://www.yyfmzz.com/productview_254.html D671X不锈钢软密封气动蝶阀

http://www.yyfmzz.com/productview_218.html SD343H伸缩式法兰蝶阀

http://www.yyfmzz.com/productview_217.html D373W不锈钢对夹式蝶阀

http://www.yyfmzz.com/productview_216.html D641X法兰式气动蝶阀

http://www.yyfmzz.com/productview_200.html D671X对夹式气动蝶阀

http://www.yyfmzz.com/productview_199.html D643H气动蝶阀

http://www.yyfmzz.com/productview_198.html D971X对夹式电动蝶阀

http://www.yyfmzz.com/productview_197.html D941F软密封电动蝶阀

http://www.yyfmzz.com/productview_190.html D943H调节型电动蝶阀

http://www.yyfmzz.com/productview_189.html D341X法兰蝶阀

http://www.yyfmzz.com/productview_186.html D43H手动法兰蝶阀

http://www.yyfmzz.com/productview_183.html D341W涡轮通风蝶阀

http://www.yyfmzz.com/productview_182.html D643H三偏心气动蝶阀

http://www.yyfmzz.com/productview_173.html D363H涡轮焊接蝶阀

http://www.yyfmzz.com/productview_172.html D373H硬密封对夹式蝶阀

http://www.yyfmzz.com/productview_171.html D943H法兰式电动蝶阀

http://www.yyfmzz.com/productview_170.html D343H双向压法兰蝶阀

http://www.yyfmzz.com/productview_168.html D973H电动蝶阀

http://www.yyfmzz.com/productview_159.html D343H法兰蝶阀

http://www.yyfmzz.com/productview_248.html D971X铸铁软密封电动蝶阀

http://www.yyfmzz.com/productview_246.html D371F46涡轮衬氟对夹式蝶阀

http://www.yyfmzz.com/productview_245.html D71J衬胶对夹式蝶阀

http://www.yyfmzz.com/productview_244.html 消防专用对夹式蝶阀

http://www.yyfmzz.com/productview_243.html 软密封法兰蝶阀

http://www.yyfmzz.com/productview_242.html 硬密封三偏心法兰蝶阀

http://www.yyfmzz.com/productview_241.html 蜗轮法兰蝶阀

http://www.yyfmzz.com/productview_240.html D663H气动焊接蝶阀

http://www.yyfmzz.com/productview_239.html D363W不锈钢焊接蝶阀

http://www.yyfmzz.com/productview_238.html D71F46手动衬氟对夹式蝶阀

http://www.yyfmzz.com/productview_237.html D341F46衬氟法兰蝶阀

http://www.yyfmzz.com/productview_233.html D343W不锈钢法兰蝶阀

http://www.yyfmzz.com/productview_188.html D73W手动对夹式蝶阀

http://www.yyfmzz.com/productview_187.html D71X对夹式蝶阀

http://www.yyfmzz.com/productview_185.html D641W气动通风蝶阀

http://www.yyfmzz.com/productview_184.html D941W电动通风蝶阀

http://www.yyfmzz.com/productview_266.html D343W高压美标法兰蝶阀

http://www.yyfmzz.com/productview_264.html 不锈钢法兰蝶阀

http://www.yyfmzz.com/productview_265.html D373H美标凸尔对夹式蝶阀

http://www.yyfmzz.com/productview_253.html D671F46衬氟气动蝶阀

http://www.yyfmzz.com/productview_328.html D343H大口径法兰蝶阀

http://www.yyfmzz.com/productview_338.html SD343W不锈钢伸缩法兰蝶阀

http://www.yyfmzz.com/productview_301.html  D363H铸钢焊接蝶阀

http://www.yyfmzz.com/productview_300.html D963H电动焊接蝶阀

http://www.yyfmzz.com/productview_335.html D971X电动蝶阀

http://www.yyfmzz.com/productview_334.html D971F46衬氟电动蝶阀

http://www.yyfmzz.com/productview_329.html D943H硬密封电动蝶阀

http://www.yyfmzz.com/productview_276.html D641W大口径气动通风碟阀

http://www.yyfmzz.com/productview_275.html D941W不锈钢电动通风碟阀

http://www.yyfmzz.com/productview_274.html D941W小口径电动通风碟阀

http://www.yyfmzz.com/productview_273.html  D671X软密封对夹式气动蝶阀

http://www.yyfmzz.com/productview_285.html D643H法兰硬密封气动蝶阀

http://www.yyfmzz.com/productview_286.html D643H带手动法兰式气动蝶阀