内容标题15

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                法兰

                时间:2012-02-20 浏览:

                 


                平焊♀钢法兰:适用于公称压力不超过2.5MPa的碳素钢管道连接.平焊法兰的密封面可以退了下去制成光滑式,凹天兵阁门前凸式和榫槽式三种.光滑式平焊法兰的应用量最大.多用于介质条件比较缓和的情况下,如低压非净化压缩空气、低∑ 压循环水,它的▼优点是价格比较便宜;
                对焊钢法〖兰:用于法兰与管子的对】口焊接,其结∴构合理,强度与刚度较大,经得√起高温高压及反复弯曲和温度波动,密封性▆可靠.公称压力为0.25~2.5MPa的对焊法兰采用凹〗凸式密封面.

                 


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