双金属的连接方式 |
添加时间:2018/7/26 16:48:19 浏览次数: |
双金属的连接方式: The connection mode of bimetallic: 外基管多数采用的是镀锌管,沿用了镀锌管成熟的连接方式: Most of the outer tubes are galvanized pipes, and the galvanized pipes are used as mature connections. 1、螺纹连接(俗称丝扣连接),适用于DN15-DN100,执行GB7306-2和GB3287-1982标准; 1, threaded connection (commonly known as threaded connection), applicable to DN15-DN100, the implementation of GB7306-2 and GB3287-1982 standards; 2、沟槽卡箍连接,适用DN100以上,执行CJ/T156标准; 2, groove clamp connection, applicable to DN100 or above, execute CJ/T156 standard; 3、法兰连接,视情况而定,一般DN100以上采用,法兰等由厂家定做,并在连接处配上专用硅胶层; 3, flange connection, depending on circumstances, generally DN100 above, flange and other manufacturers customized, and at the junction with special silica gel layer; 4、焊接连接,据实际工况采用焊接,执行YB/T5092-2005和JB/T4747-2002标准,一般采用三层焊,先氩弧焊封底,再焊过渡层,最后手工电弧焊填充盖面。 4, welding connection, according to the actual working conditions, the use of welding, the implementation of YB/T5092-2005 and JB/T4747-2002 standards, generally used three layers of welding, first argon arc welding bottom, then welding transition layer, and finally manual arc welding filling cover surface. |
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