安全阀阀体结合面渗漏

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原文：
安全阀阀体结合面渗漏指上下阀体间结合面处的渗漏现象，造成这种漏泄的主要原因有以下几个方面：一是结合面的螺栓紧力不够或紧偏，造成结合面密封不好。消除方法是调整螺栓紧力，在紧螺栓时一定要按对角把紧的方式进行，最好是边紧边测量各处间隙，将螺栓紧到紧不动为止，并使结合面各处间隙一致。二是阀体结合面的齿形密封垫不符合标准。例如，齿形密封垫径向有轻微沟痕，平行度差，齿形过尖或过坡等缺陷都会造成密封失效。从而使阀体结合面渗漏。在检修时把好备件质量关，采用合乎标准的齿形密封垫就可以避免这种现象的发生。三是阀体结合面的平面度太差或被硬的杂质垫住造成密封失效。对由于阀体结合面的平面度太差而引起阀体结合面渗漏的，消除的方法是将阀门解体重新研磨结合面直至符合质量标准。由于杂质垫住而造成密封失效的，在阀门组装时认真清理结合面避免杂质落入。

“Valve body with the surface leakage ”是由中国安全阀网提供的国际阀门新闻，译文仅供参考。另外，中国安全阀网还提供相关产品搜索：全启式安全阀、封闭式安全阀、高压安全阀、锅炉安全阀、蒸汽安全阀、等。

译文：
Valve body with the surface leakage Between the upper and lower valve leakage at the joint surface, resulting in leakage of the main reasons that the following aspects: First, with the surface of the bolt tightening force is not enough or tight side, resulting in poor seal with the surface. Elimination method is to adjust the bolt tightening force, when the bolt must be tight according to the angle of the way, preferably around the gap measure while the tight side, tighten the bolt does not move to tighten up and make the surface around the gap with the same. Second, the valve seal with the surface of the tooth does not meet the standards. For example, slightly toothed seal radial grooves, parallel to the poor, too sharp or too sloping tooth defects can cause seal failure. So that the valve body with surface leakage. When the good parts in the repair quality, the use of substandard toothed gasket you can avoid this phenomenon. Third, the body surface flatness with poor or live in a hard pad of impurities caused by seal failure. As the body of the combination of poor surface flatness caused by leakage of the valve body with the surface, the method is to eliminate the re-grinding the valve with the disintegration of the surface until it meets quality standards. As a result of impurities live pad seal failure, the valve assembly carefully cleaning the joint surface to avoid falling into impurity.

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原文来源：http://www.1anquanfa.com/

2011-12-29 07:44