详细工艺系统偏差原因90 Application of HAZOP 90 HAZOP的应用Part 1 PIPING 第1部分 管道WHAT IF/CHECKLIST WHAT IF/检查表What if piping leaks?如果管道泄漏What if high pressure flammable, corrosive or toxic gases leak into a liquid pipeline?如果高压可燃性，腐蚀性或者有毒性的气体泄漏进入液体管线What if piping is fractured?如果管道断裂What if piping plugs?如果管道堵塞What if piping becomes fouled?如果管道被污染What if moisture remains in piping?如果管道不干燥What if piping is corroded internally?如果管道内部腐蚀What if piping is corroded externally?如果管道外部腐蚀What if piping is eroded?如果管道被侵蚀What if piping becomes embrittled?如果管道脆化What if piping loses its heat tracing?如果管道伴热失效What if piping supports fail?如果管道支撑结构失去作用What if piping is subject to external impact?如果管道承受外部影响What if piping is subject to internal impact?如果管道承受内部影响What if piping is subject to backflow?如果管道内介质逆流What if piping is subject to flow or pressure surges?如果管道受到流量或压力波动影响What if piping is subject to liquid hammer?如果管道受到水击What if piping is subject to vibration?如果管道受到振动影响What if piping welds are insufficient?如果管道焊缝焊接不充分What if gaskets, seals,or flanges leak?如果垫片，密封，或者法兰泄漏What if pressure relief is not provided?如果管道无法泄压What if pressure relief fails (open or closed)?如果管道泄压失败（开或者关）What if sight glass breaks?如果视镜破碎What if flame arrestor fails?如果阻火器故障Appendix D: What-If/Checklist Questions 91 附录D:What-If/检查表 问题91Part 2 VALVES 第2部分 阀门WHAT IF/CHECKLIST WHAT IF/检查表What if valve fails mechanically?如果阀门机械故障What if valve actuator fails?如果阀门驱动装置故障What if valve is misoperated?如果阀门被误操作What if valve is locked opened or closed?如果阀门是锁开或者锁关的Wh...
