APPROVED IN CAT - II
INDEX PRESSURE PARTS SCHEDULE
Page No.
Rev.No.
1.
Basis for Thickness Calculation
3
00
2.
Design Pressure for Pressure Parts
4
00
3.
SH, RH and Economiser Pressure Drops
5
00
4.
Pressure Parts Schedule:
4.1
Economiser System
6
00
4.2
Circulating System
7-9
00
4.3
Superheater System
10 – 15
00
4.4
Reheater System
16 – 17
00
4.5
Steam cooled spacer
18
00
5.
Unit Material Diagram: −
SH Division Panellette
19
00
−
SH Platen
20
00
−
LTSH
21
00
−
Reheater
22
00
Project : NTPC / KAHALGAON STPP - STAGE II - 2 x 500 MW Rev 0 Prepared by : Reviewed by : Approved by:
BMM/RAO SCS/PSG RKr
Date
TITLE : Pressure parts schedule Sheet
2
of
22
PRESSURE PARTS SCHEDULE
PRESSURE PARTS SCHEDULE
BASIS FOR THICKNESS CALCULATION
1.
Design Code
: IBR
2.
Margins over IBR Code Requirement
2.1
Water Walls:
i.
0.6 mm provided for all water wall tubes over the thickness required as per IBR. Further, an additional tube thickness of 1.0 mm over and above the tube thickness of waterwall tubes calculated as per the above shall be provided on all water wall tubes coming within a radius of One meter around each wall blower.
ii.
Thinning allowance for bends : 10%
2.2
Superheaters & Reheaters:
i.
Erosion allowance (Leading tubes)
: 1.0 mm
ii.
Erosion allowance (Balance of Tubes)
: 0.6 mm
iii.
Thinning allowance for bends
: 10%
2.3
Economiser
i.
Erosion allowance
: 1.0 mm
ii.
Thinning allowance for bends
: 10%
Project : NTPC KAHALGAON STPP STAGE II - 2 x 500 MW Rev 00 Prepared by : Reviewed by : Approved by :
BMM/RAO SCS/PSG RKr
Date 29.11.03 29.11.03 29.11.03
TITLE : Pressure parts schedule . Sheet
3
of
22
PRESSURE PARTS SCHEDULE
1.
Design Code
:
IBR
2.
Drum SHO pressure at BMCR SH System pressure drop at BMCR Drum operating pressure Design pressure
: : : : : : :
178 kg/cm2(g) 18.0 kg/cm2 196 kg/cm2(g) 1.05 x Max. operating pressure 1.05 x 196 205.8 kg/cm2(g) 209 kg/cm2(g)
:
Drum Design pressure - Pressure drop in preceeding sections (or) 1.05 x Max. operating pressure whichever is higher.
: : : : :
46.18 kg/cm2(g) 1.05 x Max. operating pressure 1.05 x 46.18 48.5 kg/cm2(g) 52.4 kg/cm2(g)
: : : : :
201.8 kg/cm2(g) 1.05 x Max. operating pressure 1.05 x 201.8 211.9kg/cm2(g) 214.8 kg/cm2(g)
Circulation system Design pressure upto pump
:
Design pressure after pump
:
Drum design pressure + Static head (or) 1.05 x Max. operating pressure whichever is higher. Drum design pressure + Static head + Pump head (or) 1.05 x Max. operating pressure whichever is higher.
Drum design pressure used 3.
SH system Design pressure
4.
RH system Max. operating pressure Design pressure
RH design pressure used 5.
Economiser system Max. operating pressure Design pressure
Economiser coil design pressure used. 6.
Project : NTPC KAHALGAON STPP STAGE II - 2 x 500 MW Rev 00 Prepared by : Reviewed by : Approved by :
BMM/RAO SCS/PSG RKr
Date 29.11.03 29.11.03 29.11.03
TITLE : Pressure parts schedule . Sheet
4
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22
PRESSURE PARTS SCHEDULE
DESIGN PRESSURE FOR PRESSURE PARTS SH, RH AND ECONOMISER PRESSURE DROP (Load : BMCR) I.
SUPERHEATER SYSTEM Saturated connecting links
:
kg/cm2
0.25
Radiant Roof
:
kg/cm2
0.60
:
kg/cm
2
2.40
kg/cm
2
1.33
2
0.20
Back Pass SCW LTSH
:
LTSH outlet Tee
:
kg/cm
Links to DESH
:
kg/cm2
0.25
:
kg/cm
2
0.37
2
0.40
DESH Links to Panel SH
:
kg/cm
Panel SH inlet Tee
:
kg/cm2
0.25
:
kg/cm
2
3.60
2
0.30
SH Division Panel Panel SH Outlet Tee
:
kg/cm
Links to Platen
:
kg/cm2
1.40
:
kg/cm
2
0.30
2
6.10 0.25
Platen SH inlet Tee Platen SH
:
kg/cm
SH outlet Tee
:
kg/cm2
Total SH Pressure Drop II.
:
kg/cm
18.00
:
kg/cm2
1.60
:
kg/cm2
0.40
:
kg/cm
2
3.00
2
2.40
REHEATER SYSTEM RH Pressure Drop
III.
2
ECONOMISER SYSTEM Economiser Links Economiser Coils Static Head
:
kg/cm
Economiser pressure drop including static head
:
kg/cm2
Project : NTPC KAHALGAON STPP STAGE II - 2 x 500 MW Rev 00 Prepared by : Reviewed by : Approved by :
BMM/RAO SCS/PSG RKr
Date 29.11.03 29.11.03 29.11.03
TITLE : Pressure parts schedule . Sheet
5
of
22
5.8
PRESSURE PARTS SCHEDULE (Economiser System) Sl.
Description
no.
1. 2. 3. 4. 5. 6.
Eco. inlet lead Eco. inlet header Eco. coils Eco. outlet header Eco. outlet links Eco. outlet links to drum
No. off
Size OD mm
Thick. mm
Min.order thickness mm
Min. Insitu thickness
Erosion allowance mm
Material specification
Pressure Kg/cm2(g) Design Working
Temperature oC Design Working
Gas side metal temp.
1
457.2
50
43.75
mm 36.09
1
508
75
65.63
@
-
SA106Gr.C
214.8
201.8
283
255
297
576
38.1
5.3
4.19
1.0
SA210Gr.A1
214.8
201.8
350
339
352
1
406.4
5.3 (Bend) 60
52.5
@
-
SA106Gr.C
210.8
201.8
367
339
366
2
368
40
35
30.37
-
SA106Gr.C
210.8
197.8
367
339
$
3
323.9
36
31.5
26.69
-
SA106Gr.C
210.8
197.8
367
339
$
-
SA106Gr.C
219.7
201.8
283
255
$
Notes: $ - Outside gas path. @-After generation of drawing Data for Main pipes and tubes are furnished. For other components the product drawings may be referred.
Project : NTPC Kahalgaon Stage-II - 2 x 500 MW Rev 00 Prepared by : BMM/RAO Reviewed by : SCS/PSG Approved by : RKr
Date 29/11/03 29/11/03 29/11/03
0C
TITLE: PRESSURE PARTS SCHEDULE Sheet
6
of
22
PRESSURE PARTS SCHEDULE (Circulation System) Sl. no.
Description
No. off
Size OD mm
Thick. mm
Min. order thickness mm
Min. Insitu thickness mm
Erosion allowance mm
Material specification
155min / 185min # 36
160min/ 190min ## 31.5
@
-
SA 299
209
196
27.86
-
SA106GrC
212
199
368
358
$
Pressure kg/cm2(g) Design Working
Temperature Gas side oC metal Design Working temp. oC 368 363 $
1.
Drum
1
2.
Downcomer
6
ID= 1778 368
3.
Suction manifold
1
508
55
48.13
@
-
SA106Gr.C
212
199
368
358
$
4.
Suction spool Circulating pumps Discharge valves Discharge lines
3
457.2
45
39.38
34.39
-
SA106Gr.C
212
199
368
358
$
5. 6. 7. 8.
3
<--- Sub -delivery Components --->
$
6
<--- Sub -delivery Components --->
$
6
323.9
Waterwall 1 914.0 bottom ring drum # - Finished Plate Thickness
36
85 (min) #
31.5
27.2
SA106Gr.C
214
201
368
358
$
90(min) ##
@
SA299
214
201
368
358
$
## - Raw Plate Thickness Project : NTPC Prepared by : Reviewed by: Approved by
Kahalgaon Stage II 2 x 500 MW Rev. 00 BMM/RAO SCS/PSG RKr
Date 29/11/03 29/11/03 29/11/03
TITLE: PRESSURE PARTS SCHEDULE Sheet
7 of
22
PRESSURE PARTS SCHEDULE (Circulation System) Sl. no.
9.
Description
Waterwall rifle tubes
Waterwall smooth tubes
Waterwall hanger rifle tubes
Project : NTPC Prepared by : Reviewed by: Approved by
No. off
Size OD mm
Min. Insitu thickness mm
Erosion allowance mm
Material specification
1110
51
5.6(Straight)
5.6
5.25
0.6
SA210Gr.C
214
201
51
6.0 (Bend)
6.0
5.25
0.6
SA210Gr.C
214
201
396
365
450
51
7.1 (WB opg)
7.1
6.25
1.6
SA210Gr.C
214
201
396
365
450
63.5
7.1(Straight)
7.1
6.33
0.6
SA210Gr.C
211.3
198
396
365
450
63.5
7.1 (Bend)
7.1
6.33
0.6
SA210Gr.C
211.3
198
396
365
450
63.5
7.1(Straight)
7.1
6.33
0.6
SA210Gr.C
211.3
198
396
365
450
63.5
7.1(Bend)
7.1
6.33
0.6
SA210Gr.C
211.3
198
396
365
450
51
5.6(Straight)
5.6
5.25
0.6
SA210Gr.C
214
201
396
365
450
51
6.0 (Bend)
6.0
5.25
0.6
SA210Gr.C
214
201
396
365
450
51
8.8(Straight)
8.8
3.88
-
SA210Gr.C
214
201
368
365
$
8.8 (Bend) 12
8.8 12
3.88 6.33
0.6
SA210Gr.C SA210Gr.C
214
201 198
368
365 365
$ 450
51 63.5
Thick. mm
Kahalgaon Stage II 2 x 500 MW Rev. 00 BMM/RAO SCS/PSG RKr
Min. order thickness mm
Date 29/11/03 29/11/03 29/11/03
Pressure kg/cm2(g) Design Working
211.3
Temperature Gas side oC metal Design Working temp. oC 450 365 396
396
TITLE: PRESSURE PARTS SCHEDULE Sheet
8 of
22
PRESSURE PARTS SCHEDULE (Circulation System) Sl. no.
Description
No. off
Size OD mm
10.
Top headers
3
273
11.
Relief tubes
Thick. mm 40
Min. order thickness mm 35
Min. Insitu thickness mm
Erosion allowance mm
Material specification
Pressure kg/cm2(g) Design Working
-
SA106Gr.C
209.0
196
-
SA106Gr.C
209.0
196
368
363
$
-
SA106Gr.C
209.0
196
368
363
$
-
SA106Gr.C
209.0
196
368
363
$
-
SA106Gr.C
209.0
196
368
363
$
-
SA106Gr.C
209.0
196
368
363
$
2
273
50
68
159
18(Straight)
15.75
@ (Hanger) @ (Screen) @ (Front) @ (Side) 13.4
18(Bend)
15.75
13.4
43.75
Temperature Gas side oC metal Design Working temp. oC 368 363 $
Notes : $ - Outside gas path @ After generation of drawing Data for main pipes and tubes are furnished. For other components the product drawings may please be referred.
Project : NTPC Prepared by : Reviewed by: Approved by
Kahalgaon Stage II 2 x 500 MW Rev. 00 BMM/RAO SCS/PSG RKr
Date 29/11/03 29/11/03 29/11/03
TITLE: PRESSURE PARTS SCHEDULE Sheet
9 of
22
PRESSURE PARTS SCHEDULE (Superheater System)
1.
2. 3. 4. 5. 6. 7.
Pressure Kg/cm2 (g) Design Working
18.0
Min. Insitu thickness mm 13.4
Erosion allowance mm -
SA106Gr.C
209.0
196
368
363
Gas side metal temp. oC $
273.0
50.0
43.75
@
-
SA106Gr.C
208.8
195.8
368
363
$
156
63.5
6.3(Straight)
6.3
5.86
-
SA213T11
208.8
195.8
413
363
423
156
57.0
6.0(Bend)
6.0
5.26
-
SA213T11
208.8
195.8
413
363
419
1
406.4
60.0
52.5
@
-
SA106Gr.C
208.2
195.2
368
363
$
2
368.0
50.0
43.75
@
-
SA106Gr.C
208.0
195.0
368
363
$
122
63.5 63.5 76.1
6.3 (Straight) 7.1 (Bend) 12.5 (Bifurcate)
6.3 7.1 12.5
5.52 5.52 6.61
-
SA210Gr.C SA210Gr.C SA210Gr.C
208.0 208.0 208.0
195.0 195.0 195.0
393 393 393
365 365 365
397 397 397
Thick mm.
21
1
No. off
SH saturated connecting links Radiant roof inlet header Radiant tubes front Radiant tubes -rear Radiant roof outlet header Backpass sidewall inlet header Backpass sidewall tubes (front)
no.
Material specification
Min. order thickness mm 15.75
Size OD mm 159.0
Description
6
Temperature oC Design Working
Project : NTPC Kahalgaon Stage II 2x500 MW Rev. 00 Prepared by Reviewed by Approved by
: : :
BMM/RAO SCS/PSG RKr
Date 29/11/03 29/11/03 29/11/03
TITLE: PRESSURE PARTS SCHEDULE Sheet
10
of
22
PRESSURE PARTS SCHEDULE (Superheater System)
8. 9.
10. 11. 12. 13. 14.
Pressure Kg/cm2 (g) Design Working
Min. Insitu thickness mm 4.43 4.43
Erosion allowance mm -
SA210Gr.C SA210Gr.C
208.0 208.0
195.0 195.0
393 393
365 365
Gas side metal temp. oC 397 397
60.0
52.5
@
-
SA106Gr.C
207.3
194.4
393
365
$$
323.9
50.0
43.75
@
-
SA106Gr.C
206.2
193.3
393
365
$$
1
406.4
60.0
52.5
@
-
SA106Gr.C
207.3
194.4
393
365
$$
130
51.0 51.0
5.0(Straight) 5.6(Bend)
5.0 5.6
4.42 4.42
-
SA210Gr.C SA210Gr.C
207.3 207.3
194.4 194.4
393 393
365 365
397 397
130
51.0
6.3 (Bend)
6.3
5.45
1.0
SA210Gr.C
207.3
194.4
394
366
398
130
51.0
5.0(Straight)
5.0
4.44
-
SA210Gr.C
206.8
193.9
394
366
398
Thick mm.
2
406.4
2
No. off
Backpass sidewall tubes (rear) Backpass lower side header Front Backpass lower side header Rear Backpass lower front header Backpass Front wall tubes Backpass screen tubes Backpass roof tubes
64
no.
Material specification
Min. order thickness mm 5.0 5.6
Size OD mm 51.0 51.0
Description
5.0 (Straight) 5.6 (Bend)
Temperature oC Design Working
Project : NTPC Kahalgaon Stage II 2x500 MW Rev. 00 Prepared by Reviewed by Approved by
: : :
BMM/RAO SCS/PSG RKr
Date 29/11/03 29/11/03 29/11/03
TITLE: PRESSURE PARTS SCHEDULE Sheet
11
of
22
PRESSURE PARTS SCHEDULE (Superheater System) Description no. 15.
16.
17. 18.
19.
20.
No. off
Size OD mm 38.1 44.5
Thick mm.
384 5.0 (Bend) Backpass 7.1 (Straight) Economiser support tubes lower 4 219.1 28.0 Backpass support tubes inter header 260 51.00 10 / 11 Backpass SH support (Straight) tubes inter Backpass 260 51.00 10 / 11 SH support 51.00 (Bend) tubes upper 6.3 (Bend) Backpass 1 273.0 50.0 upper rear Junction header Backpass 142 51.0 5.0(Straight) upper rear 51.0 5.6 (Bend) wall tubes $$ Partially gas toched.
Material specification
Pressure Kg/cm2 (g) Design Working
Min. order thickness mm 5.0 7.1
Min. Insitu thickness mm 4.30 4.86
Erosion allowance mm 1.0 1.0
SA210Gr.C SA210Gr.C
207.3 207.3
194.4 194.4
393 393
365 365
Gas side metal temp. oC 397 397
24.5
@
-
SA106Gr.C
207.1
194.2
393
365
407
10 / 11
5.41
1.0
SA210Gr.C
207.1
194.2
393
365
397
10 / 11 6.3
5.41 3.74
1.0 -
SA210Gr.C SA210 Gr.C
207.1 207.1
194.2 194.2
393 365
365 365
398 $
43.75
@
-
SA106Gr.C
206.6
193.5
394
366
$$
5.0 5.6
4.47 4.47
-
SA210Gr.C SA210Gr.C
206.6 206.6
193.5 193.5
395 395
367 367
399 399
Temperature oC Design Working
Project : NTPC Kahalgaon Stage II 2x500 MW Rev. 00 Prepared by Reviewed by Approved by
: : :
BMM/RAO SCS/PSG RKr
Date 29/11/03 29/11/03 29/11/03
TITLE: PRESSURE PARTS SCHEDULE Sheet
12
of
22
PRESSURE PARTS SCHEDULE (Superheater System)
21. 22. 23. 24. 25. 26. 27. 28. 29.
Pressure Kg/cm2 (g) Design Working
50.0
Min. Insitu thickness mm @
Erosion allowance mm -
SA106Gr.C
206.2
193.3
393
365
Gas side metal temp. oC $$
44.5
5.0
5.0
3.84
-
SA210Gr.C
206.2
193.3
393
365
397
1
323.9
50.0
43.75
@
-
SA106Gr.C
205.8
192.7
396
368
$$
780
44.50 44.50
5.3 5.9
5.3 5.9
4.69 5.21
0.6 1.0
SA213T11 SA213T11
205.5 205.5
192.7 192.7
425 455
386 416
434 463
780
44.50
5.9
5.9
5.3
1.0
SA213T11
205.5
192.7
479
440
487
1
457.2
65.0
56.88
@
-
SA335P12
204.2
191.2
431
421
$
2
508.0
60.0
52.5
48.6
-
SA335P12
204.2
190.9
431
421
$
2
508.0
65.0
SA335P12
431
421
$
60.0
-
SA335P12
204 203.6
190.6
508.0
@ 47.97
-
2
56.88 52.5
190.2
416
406
$
No. off
Backpass lower rear header Backpass lower rear wall tubes LTSH inlet header LTSH Horizontal coils LTSH terminal tubes LTSH outlet header SH links to DESH SH DESH Links to Division panellettes
no.
Material specification
Min. order thickness mm 43.75
Description
1
Size OD mm 323.9
142
Thick mm.
Temperature oC Design Working
Project : NTPC Kahalgaon Stage II 2x500 MW Rev. 00 Prepared by Reviewed by Approved by
: : :
BMM/RAO SCS/PSG RKr
Date 29/11/03 29/11/03 29/11/03
TITLE: PRESSURE PARTS SCHEDULE Sheet
13
of
22
PRESSURE PARTS SCHEDULE (Superheater System)
30. 31.
32.
33. 34.
0.6 0.6 0.6 1.0 0.6 1.0
61.25
3.98 4.92 4.26 4.20 7.01 5.38 5.92 3.85 5.05 @
60.0
52.5
52.51
60.0
52.5
@
2
44.5 44.5 44.5 44.5 44.5 44.5 51.0 44.5 51.0 406.4
5.0 (Bend) 5.0 (Straight) 5.0 (Bend) 7.1 (Bend) 7.1 (Straight) 7.1 (Bend) 7.1 (Straight) 5.6 (Bend) 7.1 (Bend) 70.0
2
508.0
1
406.4
SH Division Panellette inlet headers SH Division Panellettes
2
SH Division Panellette outlet headers Links to Platen SH Platen SH inlet header
Erosion allowance mm -
Thick mm.
No. off
no.
Min. Insitu thickness mm @
Size OD mm 406.4
Description
432
60.0
Min. order thickness mm
52.5 5.0 5.0 5.0 7.1 7.1 7.1 7.1 5.6 7.1
Material specification
Pressure Kg/cm2 (g) Design Working
SA335P12
203
189.5
416
406
Gas side metal temp. oC $
SA213T11 SA213T22 SA213T22 SA213T22 SA213T22 SA213T22 SA213T22 SA213T91 SA213T91 SA335P12
203 203 203 203 203 203 203 203 203
189.5 189.5 189.5 189.5 189.5 189.5 189.5 189.5 189.5
406 484 482 480 532 498 483 499 530
406 434 482 480 482 448 433 449 480
$ 498 $ $ 549 516 501 513 547
199.6
185.9
488
478
$
-
SA335P12
199
185.6
488
478
$
-
SA335P12
197.4
184.4
488
478
$
Temperature oC Design Working
Project : NTPC Kahalgaon Stage II 2x500 MW Rev. 00 Prepared by Reviewed by Approved by
: : :
BMM/RAO SCS/PSG RKr
Date 29/11/03 29/11/03 29/11/03
TITLE: PRESSURE PARTS SCHEDULE Sheet
14
of
22
PRESSURE PARTS SCHEDULE (Superheater System) Description
No. off
35.
Platen SH coils
340
36.
Platen SH outlet hdr.
1
no.
Size OD mm 51.0 51.0 51.0 51.0 63.5 63.5 51.0 51.0 51.0 63.5 63.5 508.0
Thick mm. 6.3 (Bend) 7.1 (Bend) 9.0 (Straight) 11.0 (Bend) 9.0 (Bend) 12.0 (Bend) 7.1 (Bend) 7.1 (Straight) 7.1 (Bend) 8.0 (Straight) 12.5 (Bend) 110.0
Min. order thickness mm 6.3 7.1 9.0 11.0 9.0 12.0 7.1 7.1 7.1 8.0 12.5 96.25
Min. Insitu thickness mm 4.60 4.60 8.73 8.37 5.73 9.21 5.66 6.49 5.41 6.53 6.06 @
Erosion allowance mm 0.6 0.6 0.6 0.6 1.0 1.0 -
Material specification SA213T22 SA213T22 SA213T22 SA213T22 SA213T22 SA213T22 SA213T91 SA213T91 SA213TP347H SA213TP347H SA213TP347H SA335P22
Pressure Kg/cm2 (g) Design Working 197.4 197.4 197.4 197.4 197.4 197.4 197.4 197.4 197.4 197.4 197.4 191.0
Temperature oC Design Working 477 477 545 548 477 535 575 590 598 585 563 540
184.4 184.4 184.4 184.4 184.4 184.4 184.4 184.4 184.4 184.4 184.4 178.0
477 477 495 548 477 535 525 540 548 535 513 540
Gas side metal temp. oC $ $ 564 $ $ $ 592 607 618 606 589 $
Notes: $ Outside gas path $$ Only partially gas touched @ After generation of drawing Data for main pipes and tubes are furnished. For other components the product drawings may please be referred.
Project : NTPC Kahalgaon Stage II 2x500 MW Rev. 00 Prepared by Reviewed by Approved by
: : :
BMM/RAO SCS/PSG RKr
Date 29/11/03 29/11/03 29/11/03
TITLE: PRESSURE PARTS SCHEDULE Sheet
15
of
22
PRESSURE PARTS SCHEDULE (Reheater System) Sl. no.
Description
No. off
Size OD mm
Thick. mm
Min. order thickness mm
1. 2.
RH DESH 2 RH Pendant 1 inlet header 780 RH front coils
660.0 457.2
20.0 28.0
3.
54.0 44.5 63.5 54.0 54.0 54.0 54.0 54.0 63.5 63.5
4.0(Bend) 9.0 (Bend) 4.5 (Bend) 4.0 (Bend) 4.0 (Bend) 4.5 (Bend) 6.3 (Bend) 4.0 (Straight) 4.0 (Bend) 4.0 (Bend)
Erosion allowance mm
17.5 24.5
Min. Insitu thickness mm 13.79 @
4.0 9.0 4.5 4.0 4.0 4.5 6.3 4.0 4.0 4.0
2.03 1.81 2.26 2.62 3.25 3.70 3.03 2.66 2.13 3.20
0.6 0.6 0.6 0.6 1.0
-
$ Outside gas path
Project : NTPC / KAHALGAON STPP - STAGE II - 2 x 500 MW Rev 00 Date TITLE : Pressure parts schedule Prepared by : BMM/RAO 29/11/03 Reviewed by : SCS/PSG 29/11/03 Sheet 16 of 22 Approved by : RKr 29/11/03
Material specification
Pressure Kg/cm2(g) Design Working
Temperature oC Design Working
Gas side metal temp. 0C
SA106Gr.C SA106Gr.C
54.0 52.4
45.0 45.0
362 362
352 352
$ $
SA213T11 SA213T11 SA213T11 SA213T22 SA213T22 SA213T22 SA213T22 SA213T91 SA213T91 SA213TP347H
52.4 52.4 52.4 52.4 52.4 52.4 52.4 52.4 52.4 52.4
45.0 45.0 45.0 45.0 45.0 45.0 45.0 45.0 45.0 45.0
352 352 352 514 516 536 502 553 530 569
352 352 352 514 477 497 463 514 530 530
$ $ $ $ 518 538 505 555 $ 571
PRESSURE PARTS SCHEDULE (Reheater System) Sl. no.
Description
No. off
Size OD mm
4.
RH Rear Coils
780
5.
RH Outlet Header (Siamese)
54.0 54.0 54.0 54.0 54.0 54.0 54.0 54.0 54.0 63.5 558.8
2
Notes: $ Outside gas path
Thick. mm 4.5 (Bend) 4.0 (Bend) 6.3 (Bend) 4.5 (Bend) 4.0 (Bend) 4.0 (Bend) 4.0 (Bend) 3.6 (Bend) 3.6 (Straight) 4.0 (Bend) 60.0
Min. order thickness mm 4.5 4.0 6.3 4.5 4.0 4.0 4.0 3.6 3.6 4.0 52.5
Min. Insitu thickness mm 2.44 2.62 3.83 3.29 3.40 2.97 2.08 2.68 2.77 2.13 @
Erosion allowance mm
Material specification
0.6 1.0 1.0 0.6 0.6 0.6 -
SA213T22 SA213T22 SA213T22 SA213T22 SA213T91 SA213T91 SA213T91 SA213TP347H SA213TP347H SA213T91 SA335P22
Pressure Kg/cm2(g) Design Working
@ After generation of drawing
Data for main pipes and tubes are furnished. For other components the product drawings may please be referred.
Project : NTPC / KAHALGAON STPP - STAGE II - 2 x 500 MW Rev 00 Date TITLE : Pressure parts schedule Prepared by : BMM/RAO 29/11/03 Reviewed by : SCS/PSG 29/11/03 Sheet 17 of 22 Approved by : RKr 29/11/03
52.4 52.4 52.4 52.4 52.4 52.4 52.4 52.4 52.4 52.4 52.4
43.9 43.9 43.9 43.9 43.9 43.9 43.9 43.9 43.9 43.9 42.9
Temperature oC Design Working 503 514 541 491 582 580 557 584 596 530 540
503 514 502 452 543 541 557 545 557 530 540
Gas side metal temp. 0C $ $ 544 493 585 583 $ 587 598 $ $
PRESSURE PARTS SCHEDULE (Steam Cooled Spacer) Min. order thickness mm
Min. Insitu thickness mm
Erosion allowance mm
5 (Bend)
5.0
3.73
---
SA210 GR C
207.4
194.4
364
364
Gas side metal temp. oC $
51
7.1 (Bend)
7.1
5.85
1.0
SA213T11
207.4
194.4
451
401
473
1
51
5 (Bend)
5.0
3.73
---
SA210 GR C
207.4
194.4
364
364
$
1
51
7.1 (Bend)
7.1
5.83
1.0
SA213T11
207.4
194.4
448
409
463
6
63.5
9.0 (Bend)
9.0
6.11
---
SA213T22
202.5
189.5
483
483
$
63.5
8.0 (Bend)
8.0
6.12
1.0
SA213TP347H
202.5
189.5
533
483
555
51.0
7.1 (Bend)
7.1
5.07
1.0
SA213TP347H
202.5
189.5
512
462
530
63.5
6.3 (Bend)
6.3
5.07
-
SA213T22
202.5
189.5
406
406
$
63.5
12.5
12.5
5.12
1.0
SA213TP347H
202.5
189.5
533
483
INSERT
Sl. No.
Description
No. off
1.
Steam cooled spacers for Platen SH
1
51
1
Steam cooled spacers for RH Steam cooled spacers for Panellette SH
2.
3
Size OD mm
Thick mm.
Material specification
Pressure Kg/cm2 (g) Design Working
Temperature oC Design Working
Notes: $
Outside gas path
Data for main pipes and tubes are furnished. For other components the product drawings may please be referred. Project : NTPC Prepared by : Reviewed by : Approved by :
Kahalgaon Stage II 2 x 500 MW Phase-1 Rev. 00 Date BMM/RAO SCS/PSG RKr
TITLE: PRESSURE PARTS SCHEDULE
Sheet 18
of
22