Boiler house Sample coolers
2
Performance Tables below show typical sample outlet temperatures above cooling water inlet temperatures for several pressures and cooling water
flowrates. Example
A sample flowrate of 30 I/h (0.13 GPM) is required from a boiler operating at 10 bar g (145 psi g). For a cooling water flowrate of 0.3 I/s (4.8 GPM) from Table 1 the sample outlet temperature would be 4 °C (7 °F) above the cooling water inlet temperature. If the cooling water is at 15 °C (59 °F), the sample temperature would be 19 °C (66 °F). Table 2 is used in the same way for steam. Samples may not be taken where marked '-' as the flow is limited by the sample inlet valve capacity.
Table 1 Water Temperature °C (°F) (e.g. WFI - water for injection)
Cooling water flowrate 0.1 l/s (1.6 GPM)
Cooling water flowrate 0.3 l/s (4.8 GPM)
Cooling water flow 0.6 l/s (9.5 GPM)
Sample flowrate l/h (GPM)
2.6 9
Boiler pressure bar g (psi g)
1 (15)
3 (43)
7 (101)
10 (145)
20 (290)
1 (15)
3 (43)
7 (101)
10 (145)
20 (290)
1 (15)
3 (43)
7 (101)
10 (145)
20 (290)
10 (0.04)
1 (2)
1 (2)
3 (5)
6 (11)
6 (11)
0 (0)
0 (0)
1 (2)
1 (2)
4 (7)
0 (0)
0 (0)
0 (0)
0 (0)
2 (4)
20 (0.09)
2 (4)
2 (4)
6 (11)
8 (14)
8 (14)
1 (2)
1 (2)
2 (4)
2 (4)
6 (11)
0 (0)
0 (0)
0 (0)
1 (2)
4 (7)
30 (0.13)
5 (9)
5 (9)
8 (14)
11 (20)
11 (20)
3 (5)
3 (5)
4 (7)
4 (7)
8 (14)
0 (0)
0 (0)
2 (4)
3 (5)
6 (11)
40 (0.18)
7 (13)
7 (13)
11 (20)
13 (23)
13 (23)
5 (9)
5 (9)
6 (11)
6 (11)
10 (18)
1 (2)
1 (2)
2 (4)
3 (5)
8 (14)
50 (0.22)
10 (18)
10 (18)
13 (23)
15 (27)
15 (27)
6 (11)
6 (11)
8 (14)
8 (14)
12 (22)
3 (5)
3 (5)
4 (7)
5 (9)
9 (16)
60 (0.26)
14 (25)
14 (25)
16 (29)
18 (32)
18 (32)
9 (16)
9 (16)
10 (18)
10 (18)
14 (25)
4 (7)
5 (9)
5 (9)
6 (11)
11 (20)
80 (0.35)
16 (29)
18 (32)
20 (36)
22 (40)
22 (40)
11 (20)
12 (22)
13 (23)
14 (25)
18 (32)
6 (11)
7 (13)
8 (14)
9 (16)
15 (27)
100 (0.44)
18 (32)
20 (36)
24 (43)
26 (47)
27 (49)
15 (27)
16 (29)
16 (29)
18 (32)
22 (40)
10 (18)
11 (20)
12 (22)
13 (23)
18 (32)
120 (0.53)
22 (40)
23 (41)
29 (52)
30 (54)
31 (56)
17 (31)
18 (32)
20 (36)
23 (41)
26 (47)
11 (20)
13 (23)
15 (27)
17 (31)
22 (40)
Table 2 Saturated steam Temperature °C (°F), is on next page
TI-P403-82 EMM Issue 13
Page 3 of 5
SSC20 Sanitary Sample Cooler
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