天气预报 > 其他 > PPR管和法兰是怎样粘结的
PPR管和法兰是怎样粘结的
更新时间: 2020-07-10 00:00:00  

将垫片放在两法兰密封面之间,拧紧螺母后,垫片表面上的比压达到一定数值后产生变形,并填满密封面上凹凸不平处,使连接严密不漏。法兰连接是一种可拆连接。按所连接的部件可分为容器法兰及管法;按结构型式分,有整体法兰、活套法兰和螺纹法兰。常见的整体法兰有平焊法兰及对焊法兰。平焊法兰的刚性较差,适用于压力p小于等于4MPa的场合;对焊法兰又称高颈法兰,刚性较大,适用于压力温度较高的场合。

关键词: ppr 怎样 粘结

PPR管和法兰是怎样粘结的相关经验

天气预报

最新推荐

页面:/news/view-161953/ | 耗时:0.0643 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=161953 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=161953 LIMIT 0,1
select * from tbl_Articles_sphinx where id=161953 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1075635,1057904,1063675,1085824,1076790,1051691,1048878,1098219,1071481,1041729,1080593,1078797,1076111,1076199,1133147,1071507,1064061,1066526,1064251,1127665,1121696,1062712,1084287,1027455,1061282,1082928,1009146,1081065,1068532,1069221) ORDER BY field (ArticleID,1075635,1057904,1063675,1085824,1076790,1051691,1048878,1098219,1071481,1041729,1080593,1078797,1076111,1076199,1133147,1071507,1064061,1066526,1064251,1127665,1121696,1062712,1084287,1027455,1061282,1082928,1009146,1081065,1068532,1069221)