高压PFF103/105气井闸阀入库检验泄漏原因分析

Technology Supervision in Petroleum Industry(2017)

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Abstract
阐述了PFF103/105高压气井闸阀设计结构,入库检验项目、方法及标准,针对PFF103/105闸阀在静水压本体强度试验过程中出现上下阀盖泄漏和密封试验漏失原因进行了分析.并提出改进措施:同一只阀门采用同炉号材质螺栓,避免机械性能的差异;调整螺栓紧固工艺,使螺栓分配载荷均匀;选用高质量O型橡胶圈;生产厂家强化质量把关管理.
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