P Sl. No.
Flow
Flow
Line Description (Nm3/hr) (Nm3/min)
Pressure Pressure Kg/cm2 (g)
Kg/cm2 (a)
INSTRUMENT AIR PIPE SIZING ( Refer to Equipment Selection Calculation) 1 2 3 4 1
IA line from Air Drier to IA Receiver IA line to Thermax Package (Thermax Data) IA line to Siemens Package IA to Others IA line from Both Unit #1 & #2
120 35 30 5 240
2.00 0.58 0.50 0.08 4.00
8.0 8.0 8.0 8.0 8.0
9.03 9.03 9.03 9.03 9.03
300
5.00
8.0
9.03
-
1.30
8.0
9.03
3 SA Line to Air Drier
120
2.00
8.0
9.03
4 SA Line CW Pump House
100
1.67
8.0
9.03
5 SA Line to Turbine Building
100
1.67
8.0
9.03
PLANT AIR PIPE SIZING 1 Compressor Outlet Line 2 SA Line to Thermax Boiler Area
IA to Boiler By Thermax
scfm 20
Sm3/hr Nm3/hr 33.98022 31.1311
PIPE SIZING CALCULATION Calculated Selected Pipe OD Thickness Standard Pipe Size Pipe NB
Velocity Velocity
Temp.
Flow
Pipe ID
(m/sec)
(m/min)
deg. C
(m3/min)
mm
mm
mm
mm
mm
15 15 15 15 15
900 900 900 900 900
50.0 50.0 50.0 50.0 50.0
0.271 0.079 0.068 0.011 0.541
19.57 10.57 9.78 3.99 27.67
25 25 25 25 40
33.4 33.4 33.4 33.4 48.26
4.55 4.55 4.55 4.55 5.08
24.3 24.3 24.3 24.3 38.1
15
900
50.0
0.677
30.94
40
48.26
5.08
38.1
15
900
50.0
0.176
15.78
25
33.4
4.55
24.3
15
900
50.0
0.271
19.57
25
33.4
4.55
24.3
15
900
50.0
0.226
17.86
25
33.4
4.55
24.3
15
900
50.0
0.226
17.86
25
33.4
4.55
24.3
35
(say)
Actual Velocity (m/sec)
9.73 2.84 2.43 0.41 7.91
9.89 6.32 9.73 8.10 8.10