直销D343H型法兰金属密封蝶阀

http://www.xinxingvalve.com/Product/ShowProduct.asp?ID=259
产品特点：                        
1、设计合理，结构紧凑，启闭迅速。            
2、开启力矩小，密封副无摩擦转动，阀门使用寿命长。                                    
3、更换阀体材质和密封圈复合夹层可适用不同介质。
Product Features:
1.Reasonable design, compact structure, opening ａnd closing fast.
2.Small open torque, seat almost without attrition ａnd long serving life.
3.Different body materials ａnd seal ring compound folder layer are suitable for different medium.

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