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| 第130页 Page 130 |
球阀故障排除指南（3） BALL VALVE TROUBLESHOOTING GUIDE (3) |
 美国斯毕尔公司 |
| 结构破坏 Structural Breakage |
||
| 位置 Location |
可能原因 Possible Cause |
纠正措施 Corrective Action |
| 手柄断裂 Handle broken |
活动部件卡住 |
参阅“活动部件卡住”章节。更换。 See "Frozen Movements" section. Replace. |
| 外部撞击 External impact. |
更换并且消除撞击源。 Replace and correct source. |
|
| 手柄剥离 Handle Stripped |
开启/关闭范围过分扩张 Overextending open/close range. |
更换手柄。 Replace handle. |
| 过分暴露在直接阳光下会软化手柄材质。 Excessive exposure to direct-sunlight has softened handle material. |
对阀门进行保护或遮蔽，避免阳光直接暴晒。 Shield or screen valve from direct-sun exposure. |
|
| 阀杆剪断或断裂 Stem Sheared / Broken |
活动部件被卡住；外部撞击。 Frozen movements; external impact. |
参阅“活动部件卡住”章节。 See "Frozen Movements" section. |
| 活接头螺母断裂 Broken Union Nut |
螺母紧固过头以至拉断或对齐断口连接件；外部撞击。 Nut has been over tightened to draw-up or align end-connectors; external impact. |
调整用于适当阀门放置长度的端口连接件间隙。检查系统是否对齐 - 端口连接件必须平行。 Adjust specing between end-connectors for proper valve lay-lengths. Check system alignment - end connector(s) must be parallel. |
| 阀门支撑不足。 Inadequate valve supports. |
在阀门的每一侧提供系统支撑。 Provide system support on each side of valve. |
|
| 内部压力过大，或水压冲击 Excessive internal pressure / Hydraulic Shock |
检查系统压力和冲击压力；检查是否有残留空气。 Check system pressures and surge pressures; check for entrapped air. |
|
| 端口连接件破裂 End Connector Break |
系统没有对准；外部撞击。 System misalignment; external impact. |
检查系统是否对准 - 端口连接件必须平行。 Check system alignment - end connector(s) must be parallel. |
| 螺纹连接过紧。 Over-tighten thread-joint connection. |
按照安装说明书进行新的端口连接件安装。 Install new end connector according to installation instructions. |
|
| 阀门支撑不足。 Inadequate valve support. |
在阀门的每一侧提供系统支撑。 Provide system support on each side of valve. |
|
| 阀体破裂 Body Break |
外部撞击。 External impact. |
查明并消除撞击源。 Identify and correct source. |
| 内部压力过大。 Excessive internal pressure. |
检查系统压力和冲击压力；检查是否有残留空气。 Check system pressures and surge pressures; check for entrapped air. |
|
| 系统没有对齐。 System misalignment. |
检查系统是否对准 - 端口连接件必须平行。 Check system alignment - end connector(s) must be parallel. |
|
| 阀门支撑不足。 Inadequate valve support. |
在阀门的每一侧提供系统支撑。 Provide system support on each side of valve. |
|
| 化学侵蚀。 Chemical attack. |
检查系统流体介质的化学兼容性。 Check chemical compatibility of system fluids. |
|
| 注： NOTES: |
对于紧凑型球阀（密封装置），本指南的某些纠正措施可能并不可行。 Certain corrective actions of this guide may not be feasible with the Compact Ball Valve (sealed unit). 不适当的系统工作温度和化学不兼容性可能导致各种各样的功能和结构故障。确保采用与温度和耐化学性相匹配的材质的阀门。 Improper system operating temperatures and chemical incompatibly can cause a variety of functional and structural failures. Be sure to use proper valve material-types for both temperature and chemical resistance. 大多数阀门问题的原因在于不正确的系统设计结构或安装。要确保所有设计都由有资格认证的工程师进行，所有安装都由经过正确训练的人员进行。 Most valve problems are traceable to improper system design or installation. Be sure to have all design performed by a qualified Engineer and installation made by properly trained personnel. 美国斯毕尔公司阀门安装说明书和维护/维修操作规程与所有纠正措施应该被遵循。 Spears® valve Installation Instructions and Maintenance/Service Procedures should be followed in conjunction with all corrective actions. |
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