1. The assembly of the valve station should have relevant technical drawings, and mark the positioning dimensions and external dimensions of each component;
2. Indicate the interface code, pipe diameter, wall thickness and positioning size;
3. Before assembly, all valve groups, pipe joints, flanges, steel pipes, etc. should be carefully cleaned without any impurities and dirt;
4. The length and direction of the pipeline installation should be connected one by one according to the mark in the figure, which should be determined during the installation process;
5. After the pipe and flange, pipe and joint are welded by argon arc welding, pickling treatment must be carried out before secondary installation;
6. After the valve chamber is installed, it should be cleaned repeatedly before debugging, and the pollution level should reach nas9;
7. The sealing test shall be carried out under the oil pressure of 15 MPa, and the test pressure of the standby valve group shall be 24 MPa;
8, pressure for 10 minutes without leakage;
9. The no-load test shall run for 10 cycles according to the action program, and the action of each component shall be flexible and reliable.
10. After passing the inspection, all openings must be sealed to prevent dirt from invading.