DFN蝶阀阀体：CNC精加工材质:SS304,316,316L阀体尺寸可按要求定做低扭力，连接方式：BS,***S,DIN3A焊接，牙接和卡箍连接阀芯：外表面精加工，精抛光Ra≤0.6um可按要求进行电解抛光和PTFE密封手柄：外观美丽实用拉出设计根据要求设计从2-12***DFNbutterflyvalveBody:SS304.316.316LmaterialoutfromprecisionCNCMillingdycanbechangeable.Andlowtorque,BS,***S,DIN3Aweldandmale/maleendClampend.Disk:Ourfromfullmachined,highpolished.Ralessthan0.6ljm.9.***mand8*12mm.headforUSAandEuroperequired.ElectricpolishedandPTFEcoatingcanbeRresstype.From2Position-12Position,Designforyourwidthrangeandbeautifulchoice.)