| 600MW Unit Conventional Design of Supercritical High Temperature and Pressure Pipe Fittings |
| Number |
Name |
Design Temperature(¡æ) |
Design Pressure(Mpa) |
Specification |
Material |
Size(mm) |
Stress Coefficient |
| Main Stream System |
| 1 |
90¡ã Hot-pressure Elbow |
576 |
25.4 |
ID419*75 |
A335P91 |
R=914 A=50 |
|
| 2 |
90¡ã Hot-pressure Elbow |
576 |
25.4 |
ID298.3*53 |
A335P91 |
R=610 A=50 |
|
| 3 |
45¡ãWrought Lateral Tee |
576 |
25.4 |
ID419*75/ID298.5*53 |
A182F91 |
L1=170 L2=910 H=910 |
1.2 |
| 4 |
Type T Hot Extrusion Reducing Tee |
576 |
25.4 |
ID419*75/ID254.1*47 |
A335P91 |
L1=L2=500 H=365 |
1.15 |
| Hot-Reheat System |
| 1 |
Type T Hot Extrusion Reducing Tee |
574 |
5.22 |
ID647.7*23/ID245*18 |
A335P91 |
L1=L2=600 H=450 |
1.3 |
| 2 |
45¡ãWrought Lateral Socket Tee |
574 |
5.22 |
ID914*32/ID647*23/ID647*23 |
A335P91 |
L1=355 L2=1735 L=1735 |
1.8 |
| 3 |
90¡ã Hot-pressure Elbow |
574 |
5.22 |
ID914*32 |
A335P91 |
R=1525 A=50 |
|
| 4 |
90¡ã Hot-pressure Elbow |
574 |
5.22 |
ID647.7*23 |
A335P91 |
R=1067 A=50 |
|
| 5 |
Steel Pipe Press Moulding Reducer |
574 |
5.22 |
ID914*32/ID647.7*23 |
A335P91 |
L=900 |
|
| Cold-Reheat System |
| 1 |
Type T Welded Straight Tee |
344 |
5.24 |
¦Õ914*25.4/¦Õ914*25.4 |
A672B70CL32 |
L1=L2=900 H=750 |
1.67 |
| 2 |
Type T Welded Reducing Tee |
344 |
5.24 |
¦Õ914*25.4/¦Õ711*19.05 |
A672B70CL32 |
L1=L2=1150 H=1150 |
1.67 |
| 3 |
Type T Welded Reducing Tee |
344 |
5.24 |
¦Õ914*25.4/¦Õ610*17.48 |
A672B70CL32 |
L1=L2=750 H=750 |
1.67 |
| 4 |
Type T Welded Reducing Tee |
344 |
5.24 |
¦Õ914*25.4/¦Õ219*9.4 |
A672B70CL32 |
L1=L2=700 H=700 |
1.93 |
| 5 |
Type T Welded Reducing Tee |
344 |
5.24 |
¦Õ914*25.4/¦Õ377*17 |
A672B70CL32 |
L1=L2=700 H=700 |
1.93 |
| 6 |
90¡ã Hot-pressure Elbow |
344 |
5.24 |
¦Õ914*25.4 |
A672B70CL32 |
R=1372 A=50 |
|
| 7 |
90¡ã Hot-pressure Elbow |
344 |
5.24 |
¦Õ863*15.9 |
A672B70CL32 |
R=1295 A=50 |
|
| HP-Feed Water System |
| 1 |
Type T Hot Extrusion Tee |
285 |
37 |
¦Õ508*50/¦Õ508*50 |
WB36 |
L1=L2=500 H=400 |
1.2 |
| 2 |
Type T Hot Extrusion Tee |
285 |
37 |
¦Õ508*50/¦Õ273*30 |
WB36 |
L1=L2=475 H=350 |
1.2 |
| 3 |
Type T Hot Extrusion Tee |
285 |
37 |
¦Õ508*50/¦Õ219*25 |
WB36 |
L1=L2=475 H=330 |
1.38 |
| 4 |
Type T Hot Extrusion Tee |
285 |
37 |
¦Õ355.6*40/¦Õ168*20 |
WB36 |
L1=L2=180 H=240 |
1.3 |
| 5 |
90¡ã Hot-pressure Elbow |
285 |
37 |
¦Õ508*50 |
WB36 |
R=762 A=50 |
|
| 6 |
90¡ã Hot-pressure Elbow |
285 |
37 |
¦Õ355.6*40 |
WB36 |
R=500 A=50 |
|
| 7 |
Reducer |
285 |
37 |
¦Õ5.8*50/¦Õ355.6*40 |
WB36 |
L=450 |
|
