
Fired-heater data sheet SI units
rev.: date: sheet 3 of 6
Mechanical design conditions
1 *plot limitations: *stack limitations: rev.
2 *tube limitations: *noise limitations:
3
*structural design data: wind velocity: *wind occurrence:
4
snow load: *seismic zone:
5
*minimum/normal/maximum ambient air temperature, °C: *relative humidity, %
6 heater section:
7 service:
8
Coil design:
9 *design basis: tube wall thickness (code or spec.)
10 rupture strength (minimum or average)
11 *stress-to-rupture basis, h
12 *design pressure, elastic/rupture, kPa
13 *design fluid temperature, °C
14 *temperature allowance, °C
15 corrosion allowance, tubes/fittings, mm
16 hydrostatic test pressure, kPa
17 *post-weld heat treatment (yes or no)
18 * % of welds fully radiographed
19 maximum (clean) tube metal temperature, °C
20 design tube metal temperature, °C
21
inside film coefficient, W/m
2
⋅K
22
Coil arrangement:
23 tube orientation: vertical or horizontal
24 *tube material (specification and grade)
25 tube outside diameter, mm
26 tube-wall thickness, (minimum) (average), mm
27 number of flow passes
28 number of tubes
29 number of tubes per row (convection section)
30 overall tube length, m
31 effective tube length, m
32 bare tubes: number
33
total exposed surface, m
2
34 extended surface tubes: number
35
total exposed surface, m
2
36 tube layout (in line or staggered)
37
tube spacing, cent. to cent.: horiz. × diag. (or vert.)
38 spacing tube cent. to furnace wall (min.), mm
39 corbels (yes or no)
40 corbel width, mm
41
Description of extended surface:
42 type: (studs) (serrated fins) (solid fins)
43 material
44
dimensions (height × diameter/thickness), mm
45 spacing (fins/m) (studs/plane)
46 maximum tip temperature (calculated), °C
47 extension ratio (total area/bare area)
48
Plug type headers:
49 *type
50 material (specification and grade)
51 nominal rating
52 *location (one or both ends)
53 welded or rolled joint
54 Notes:
55
56
ANSI/API Standard 560/ISO 13705
Copyright American Petroleum Institute
Provided by IHS under license with API
Licensee=TECNA/5935100001
Not for Resale, 09/06/2007 11:42:18 MDT
No reproduction or networking permitted without license from IHS
--```,``,`,`,```,``,,,,,,`,``-`-`,,`,,`,`,,`---