| 600MW Unit Conventional Design of Subcritical High Temperature and Pressure Pipe Fittings |
| No. |
Name |
Design Temperature(¡æ ) |
Design Pressure(Mpa) |
Specification |
Material |
Size(mm) |
Stress Coefficient |
| Main Steam System |
| 1 |
90¡ã Hot-pressure Elbow |
546 |
17.5 |
ID495.3*50 |
A335P91 |
R=900 A=50 |
|
| 2 |
90¡ã Hot-pressure Elbow |
546 |
17.5 |
ID342.9*35.5 |
A335P91 |
R=628 A=50 |
|
| 3 |
Steel Pipe Press Moulding Reducer |
546 |
17.5 |
ID495.3*50/ID342.9*35.5 |
A335P91 |
L=500 |
|
| 4 |
Type T Hot Extrusion Reducer |
546 |
17.5 |
ID495.3*50/ID342.9*35.6 |
A335P91 |
L1=L2=500 H=500 |
|
| 5 |
Type T Hot Extrusion Reducing Tee |
546 |
17.5 |
ID495.3*50/ID266.7*27.5 |
A335P91 |
L1=L2=450 H=450 |
|
| 6 |
HP Bypass 90¡ã Hot-pressure Elbow |
546 |
17.5 |
ID266.7*27 R=489 A=50 |
A335P91 |
R=489 A=50 |
|
| Hot-Reheat System |
| 1 |
Type T Hot Extrusion Reducing Tee |
546 |
4.02 |
ID965.2*49.5/ID685.8*35.5 |
A335P22 |
L1=L2=900 H=822 |
1.3 |
| 2 |
45¡ãLateral Socket Forge Welding Reducing Tee |
546 |
4.02 |
ID965.2*49.5/ID685.8*35.5/ID685.8*35.5 |
A335P22 |
L1=535 L2=1735 H=1735 |
2.44 |
| 3 |
45¡ãLateral Socket Forge Welding Reducing Tee |
546 |
4.02 |
ID685.8*35.5//ID546.1*29/ID685.8*35.5 |
A335P22 |
L1=400 L2=1300 H=1300 |
2.13 |
| 4 |
Type T Hot Extrusion Straight Tee |
546 |
4.02 |
ID546.1*29 |
A335P22 |
L1=L2=517 L3=540 |
|
| 5 |
Steel Pipe Press Moulding Reducer |
546 |
4.02 |
ID965.2*49.5/ID685.8*35.5 |
A335P22 |
L=500 |
|
| 6 |
Steel Pipe Press Moulding Reducer |
546 |
4.02 |
ID546.1*29/ID393.7*21.5 |
A335P22 |
R=1605 A=50 |
|
| 7 |
90¡ã Hot-pressure Elbow |
546 |
4.02 |
ID965.2*49.5 |
A335P22 |
R=913 A=50 |
|
| 8 |
90¡ã Hot-pressure Elbow |
546 |
4.02 |
ID546.1*29 R=913 A=50 |
A335P22 |
|
|
| Cold-Reheat System |
| 1 |
Type T Welding Reducing Tee |
4.617 |
347.07 |
¦Õ1066.8*20.6/¦Õ1066.8*20.6 |
A672B70CL32 |
L1=L2=1150 H=1150 |
2.8 |
| 2 |
Type T Welding Reducing Tee |
4.617 |
347.07 |
¦Õ1066.8*21/¦Õ863*15.9 |
A672B70CL32 |
L1=L2=1150 H=1150 |
2.8 |
| 3 |
Type T Welding Reducing Tee |
4.617 |
347.07 |
¦Õ863*15.9/¦Õ863*15.9 |
A672B70CL32 |
L1=L2=895 H=895 |
2.4 |
| 4 |
90¡ã Hot-pressure Elbow |
4.617 |
347.07 |
¦Õ1066.8*20.6 |
A672B70CL32 |
R=1600 A=50 |
|
| 5 |
90¡ã Hot-pressure Elbow |
4.617 |
347.07 |
¦Õ863*15.9 |
A672B70CL32 |
R=1295 A=50 |
|
| HP-Feed Water System |
| 1 |
Type T Hot Extrusion Tee |
283.8 |
24.62 |
¦Õ508*34/¦Õ508*34 |
WB36 |
L1=L2=500 H=535 |
1.1 |
| 2 |
Type T Hot Extrusion Tee |
283.8 |
24.62 |
¦Õ508*34/¦Õ355.6*24 |
WB36 |
L1=L2=500 H=500 |
1.3 |
| 3 |
Type T Hot Extrusion Tee |
283.8 |
24.62 |
¦Õ508*34/¦Õ279.4*20 |
WB36 |
L1=L2=500 H=500 |
1.38 |
| 4 |
Type T Hot Extrusion Tee |
283.8 |
24.62 |
¦Õ508*34/¦Õ194*22 |
WB36 |
L1=L2=280 H=350 |
1.4 |
| 5 |
Type T Hot Extrusion Tee |
283.8 |
24.62 |
¦Õ355.6*30/¦Õ194*22 |
WB36 |
L1=L2=280 H=350 |
1.3 |
| 6 |
Type T Hot Extrusion Tee |
283.8 |
24.62 |
¦Õ279.6*24/¦Õ133*16 |
WB36 |
L1=L2=270 H=250 |
1.3 |
| 7 |
90¡ã Hot-pressure Elbow |
283.8 |
24.62 |
¦Õ508*34 |
WB36 |
R=762 A=50 |
|
| 8 |
90¡ã Hot-pressure Elbow |
283.8 |
24.62 |
¦Õ355.6*30 |
WB36 |
R=533 A=50 |
|
| 9 |
Reducer |
283.8 |
24.62 |
¦Õ508*34/¦Õ355.6*24 |
WB36 |
L1=450 |
|
