What are the conditions before the installation of the ventilation pipe?
1. 、 civil engineering work related to the pipeline shall be inspected and qualified to meet the installation requirements;
2. design documents and other technical documents are complete, the construction plan has been mixed, the construction organization design completed and approved;
3.. The equipment connected with the pipe is installed in place and fixed. The elevation, center line and nozzle orientation meet the design requirements;
4. necessary procedures such as cleaning, degreasing, internal corrosion protection and lining must be completed before the pipeline is installed;
天天乐棋牌 5. pipes, fittings and valves have been inspected and have relevant technical certificates;
6. pipes, fittings and valves have been checked according to the design requirements, the internal cleaning has been done, no debris;
天天乐棋牌 7. the excavation of the underground pipe ditch is completed and the pipe gallery is completed.
天天乐棋牌 The company has reliable quality, perfect service, reasonable price, won the trust of new and old customers. In the full of challenges and opportunities of the century, we will forge ahead, never give up the pursuit of excellence in quality and service It's perfection itself.