安全阀还不到全开状态和阀瓣振荡

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原文：
安全阀还不到全开状态 1）安全阀选用的公称压力过大，弹簧刚度过大，需重新选用安全阀。 2）调整圈调整不当，需重新调整。 3）阀瓣在导向套中摩擦力过大，需清洗、修磨或更换部件。 4）安全阀排汽管设置不当，气（汽）体流动阻力大，需重新调整排放管路。阀瓣振荡 1）调整圈与阀瓣间隙太大，需重新调整。 2）安全阀的排放量比容器所要求的泄放量大得太多，应重新选型，使之相匹配。 3）安全阀进口管载面积太小或阻力太大，使安全阀的排气（汽）量供应不足，需更换或调整安全阀进口管道。 4）排放管阻力太大，应对管路进行调整以减小阻力。

“Less than fully open valve and valve oscillation ”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：
Less than fully open valve and valve oscillation Less than fully open valve 1) selection of nominal pressure relief valve is too large, just had a large spring, to be re-used safety valve. 2) adjustment ring to adjust properly, need to re-adjust. 3) valve in the friction in the guide sleeve is too large, need cleaning, grinding or replacement parts. 4) The safety valve exhaust pipe set properly, gas (steam)-flow resistance, need to re-adjust the discharge line. Valve oscillation 1) Adjust the valve clearance is too large circle and the need to re-adjust. 2) The safety valve emissions than required by the container volume of discharge too much, should be re-selection, so to match. 3) The safety valve inlet tube containing an area of resistance is too small or too large, so that the exhaust valve (steam) the amount of supply, the need to replace or adjust the safety valve inlet pipe. 4) The discharge pipe too much resistance, the pipeline should be adjusted to reduce the resistance.

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原文来源：http://www.1anquanfa.com/

2011-12-22 08:53