发布时间:2025-02-01 04:17:11
管路在做强度试验时应将管路上的阀门处于开启状态,因为阀门的阀瓣密封试验时只做到1.1倍的公称压力,超过此压力容易造成阀瓣或其密封的破坏。也就是说阀瓣不能当做强度试验用的盲板。如果要做气体打压,一般为密封试验,且应在强度试验(水介质)合格以后进行,阀门的公称压力在1.0Mpa以上时,气体低压试验(密封)一般为0.6MPa。
squirrel 小松鼠 sp18b20 燃气壁挂炉 18kw适用对象
2025-02-01 04:17:11 2025-02-01 04:17:11 2025-02-01 04:17:11 2025-02-01 04:17:11 2025-02-01 04:17:11 2025-02-01 04:17:11 2025-02-01 04:17:11 2025-02-01 04:17:11 2025-02-01 04:17:11 2025-02-01 04:17:11 2025-02-01 04:17:11 2025-02-01 04:17:11 2025-02-01 04:17:11 2025-02-01 04:17:11 2025-02-01 04:17:11 2025-02-01 04:17:11装修合同已经签约并给了定金施工队未进场不想这家装了定金是否能退
2025-02-01 04:17:11 2025-02-01 04:17:11 2025-02-01 04:17:11 2025-02-01 04:17:11 2025-02-01 04:17:11 2025-02-01 04:17:11 2025-02-01 04:17:11 2025-02-01 04:17:11 2025-02-01 04:17:11 2025-02-01 04:17:11我想要精装修老公不同意他舅舅做这一行的说精装修太多坑了房子让舅舅来装
2025-02-01 04:17:11 2025-02-01 04:17:11