| 300 MW Unit Conventional Design of High Tempreture and Pressure Pipe Fittings |
| NO. |
Name |
Specification |
Design Pressure(Mpa) |
Design Tempreture£¨¡æ£© |
Material |
Size£¨mm£© |
Stress Coefficient |
| Main Steam System |
| 1 |
90¡ã Type T Extrusion Tee |
ID368*41/ID273*29 |
17.4 |
545 |
A335P91 |
L=800 H=365 |
1.3 |
| 2 |
45¡ãType Y Forged Tee |
ID368*41/ID273*29ID273*29 |
17.4 |
545 |
A335P91 |
A=150 L=800 H=650 |
1.3 |
| 3 |
90¡ã Hot-pressure Elbow |
ID368*41 |
17.4 |
545 |
A335P91 |
R=686 A=50 |
|
| 4 |
90¡ã Hot-pressure Elbow |
ID273*29 |
17.4 |
545 |
A335P91 |
R=457 A=50 |
|
| Hot--Reheat System |
| 1 |
90¡ã Type T Forged Tee |
ID679.5*34/ID508*24.8 |
3.98 |
545 |
A335P22 |
L=1060 H=480 |
1.3 |
| 2 |
45¡ã Type Y Lateral Welding Tee |
ID679.5*34/ID508*24.8/ID508*24.8 |
3.98 |
545 |
A335P22 |
L1=340 L=1600 H=1260 |
2.11 |
| 3 |
90¡ã Hot-pressure Elbow |
ID679.5*34 |
3.98 |
545 |
A335P22 |
R=1143 a=50 |
|
| 4 |
90¡ã Hot-pressure Elbow |
ID635*31 |
3.98 |
545 |
A335P22 |
R=1067 a=50 |
|
| 5 |
90¡ã Hot-pressure Elbow |
ID508*24.8 |
3.98 |
545 |
A335P22 |
R=838 a=50 |
|
| 6 |
Reducing |
ID679.5*34/ID508*24.8 |
3.98 |
545 |
A335P22 |
L=500 |
|
| Cold--Reheat System |
| 1 |
90¡ã Hot-pressure Elbow |
¦Õ812.8*17.5 |
4.53 |
343 |
A672B70CL32 |
R=1219 a=50 |
|
| 2 |
90¡ã Hot-pressure Elbow |
¦Õ558.8*16.66 |
4.53 |
343 |
A672B70CL32 |
R=838 a=50 |
|
| 3 |
90¡ã Type T Welding Tee |
¦Õ812.8*17.5/¦Õ812.8*17.5 |
4.56 |
345 |
A672B70CL32 |
L=1790 H=8952.37 |
|
| 4 |
90¡ã Type T Welding Tee |
¦Õ812.*17.5/¦Õ558.8*15.88 |
4.56 |
345 |
A672B70CL32 |
L=1790 H=8202.37 |
|
| 5 |
90¡ã Type T Welding Tee |
¦Õ812.8*17.5/¦Õ273*9 |
4.56 |
345 |
A672B70CL32 |
L=1400 H=7002.37 |
|
| 6 |
90¡ã Type T Welding Tee |
¦Õ812.8*17.5/¦Õ219*7 |
4.56 |
345 |
A672B70CL32 |
L32;=1400 H=7002.37 |
|
| 7 |
90¡ã Type T Welding Tee |
¦Õ558.8*15.88/¦Õ219.7 |
4.56 |
345 |
A672B70CL32 |
L32L=1000 H=4502.16 |
|
| 8 |
Reducing |
¦Õ812.8*21/¦Õ711*17.48 |
4.56 |
345 |
A672B70CL32 |
L=700 |
|
| HP-Feed Water System |
| 1 |
90¡ã Hot-pressure Tee |
¦Õ355.6*26/¦Õ244*20 |
27.4 |
280 |
WB36 |
L=300 |
|
| 2 |
90¡ã Hot-pressure Tee |
¦Õ355.6*26/¦Õ244*20 |
27.4 |
280 |
WB36 |
L=630 H=2801.28 |
|
| 3 |
90¡ã Hot-pressure Tee |
¦Õ355.6*26/¦Õ355.6*26 |
27.4 |
280 |
WB36 |
L=630 H=3101 |
|
| 4 |
90¡ã Hot-pressure Tee |
¦Õ355.6*26/¦Õ133*10 |
27.4 |
280 |
WB36 |
L=550 H=2351.68 |
|
| 5 |
90¡ã Hot-pressure Tee |
¦Õ244.5*20/¦Õ133*10 |
27.4 |
280 |
WB36 |
L=220 H=1901.5 |
|
| 6 |
90¡ã Hot-pressure Tee |
¦Õ355.6*26 |
27.4 |
280 |
WB36 |
R=535 A=50 |
|
| 7 |
90¡ã Hot-pressure Elbow |
¦Õ244.5*20 |
27.4 |
280 |
WB36 |
R=340 A=50 |
|
| 8 |
90¡ã Hot-pressure Elbow |
¦Õ168*22 |
27.4 |
280 |
WB36 |
R=252 A=50 |
|