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不同种类的管法兰的特征及其适用范围,管法兰按与管子的连接方式可分为五种基本类型:平焊法兰、对焊法兰、螺纹法兰、承插焊法兰、松套法兰。
The characteristics of different types of pipe flange and its applicable scope, according to connection and the pipe can be divided into five basic types: pipe flange, flange, flange, threaded flange, socket welding flange, loose flange.
1、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制成光滑式,凹凸式和榫槽式三种。多用于介质条件比较缓和的情况下,如低压非凈化压缩空气、低压循环水,它的优点是价格比较便宜。

济钢代理商1, welding steel flange: apply to nominal pressure not more than 2.5MPa carbon steel pipe connection. Flange sealing surface can be made smooth, bump and tenon slot three. More suitable for medium conditions, such as low pressure non purification compressed air, low pressure circulating water, it has the advantage of cheaper prices.
2、焊法兰: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。
2, welding flange for butt welding flange and pipe, reasonable structure, strength and stiffness to withstand high temperature and high pressure and repeated bending and temperature fluctuation, reliable seal, nominal pressure 0.25 ~ 2.5MPa welding flange seal surface using bump.
3、套法兰
3, set flange
常用于介质温度和压力都不高而介质腐蚀性较强的情况。当介质腐蚀性较强时,法兰接触介质的部分为耐腐蚀的高等级材料如不钢等材料,而外部则利用低等级材料。
Often used in medium temperature and pressure are not high, and medium corrosive situation. When the medium corrosion is strong, the flange contact medium part is corrosion resistant high-grade materials, such as non steel and other materials, while the external use of low-grade materials.
4、体法兰:常常是将法兰与设备、管子、管件、阀门等做成一体,这种型式在设备和阀门上常用。
4, body flange: often flange and equipment, pipes, pipe fittings, valves and so on into one, this type of equipment and valves on the commonly used.
本文由济钢代理商友情奉献,更多有关的知识请点击:http://www.jnyygt.com我们将用最先进的技术,最真诚的态度,为您提供最为全面的服务。我们将会陆续向大家奉献,敬请期待。
This article by the Jinan Iron and steel agent friendship dedication, more relevant knowledge, please click: http://www.jnyygt.com, we will use the most advanced technology, the most sincere attitude, to provide you with the most comprehensive services. We will continue to dedicate to you, please look forward to.

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