| 双金属的连接方式 |
| 添加时间：2018/8/10 16:13:30 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 base pipes are galvanized pipes, which follow the mature connection mode of the galvanized pipe: 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), suitable for 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, the application of DN100 above, the implementation of the 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 the situation, generally DN100 or more used, flange, etc. by the manufacturer customized, and the connection with a 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 joints, according to the actual working conditions using welding, the implementation of YB/T5092-2005 and JB/T4747-2002 standards, the general use of three-layer welding, argon arc welding first, then welding the transition layer, finally manual arc welding filling the cover. |
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