HIGH-PRESSURE with heat transfer surface made of tubes of 16 mm in diameter

Further tube diameter reduction up to 16 mm and U-shaped tubes application enabled to design more compact and reliable chamber preheaters with heat transfer surface made of stainless tubes of 16х2 in diameter.

Technical specifications:

Preheater type

Design parameters

Heat transfer surface area,
m² (permissible variation ± 5%)

Габаритные размеры, мм

Length
(out-to-out
distance)
(permissible
variation
± 50)

Capacity
feedwater
supply,
tons/h

Feedwater
pressure
in piping
system,
MPa

Steam
pressure
in
preheater
shell, MPa

Inlet
steam
t,˚С

Total

Steam
cooling
zone

Con-
densate
cooling
zone

Outside
diameter
(permissible
variation
± 1%
but no more
than 20 mm)

Length
(out-to-out
distance)
(permissible
variation
± 50)

ПВД-K-300

-17-3,5-4

290

16,2

3,6

350

300,3

54,9

51,0

1450

6510±50

25,65

ПВД-K-300

-17-3,5-5

290

16,2

3,6

420

300,3

54,9

18,9

1450

6510±50

24,95

ПВД-K-400
-20-4,5-5

367,4

20,1

4,3

265

356,5

56,0

51,0

1466

7310±50

30,44

ПВД-K-400
-20-4,5-6

367,4

20,1

4,3

323

55,4

54,9

51,0

1466

7310±50

30,55

ПВД-K-400
-20-4,5-7

400

20,1

4,3

390

356,7

54,3

18,9

1466

7310±50

29,8

ПВД-K-700

-24-2,0

690

24,0

2,0

445

669,2

83,0

80,7

1744

8950±100

42,0

ПВД-K-700

-24-3,5

690

24,0

3,5

327

669,8

83,6

80,7

1764

8950±100

44,5

ПВД-K-700

-24-4,5

690

24,0

4,5

380

665,9

83,0

28,1

1780

8950±100

47,0

ПВД-K-700
-24-4,5-5

720

24,0

4,5

444

669,2

83,04

80,8

1780

8950±100

49,6

ПВД-K-700
-24-4,5-6

720

24,0

4,5

303

669,8

83,6

80,8

1780

8950±100

48,6

ПВД-K-700
-24-4,5-7

720

24,0

4,5

392,3

665,9

83,0

28,1

1780

8950±100

Back to HIGH-PRESSURE