45
Pressure & temperature ratings
For the max. flowrate as a function of the
differential pressure see the capacity chart
in the data sheet.
EN series
Admissible maximum pressure [bar] for equipment with grey cast iron body
Type
PN
Temperature [°C]
-10/20
100
150
200
250
300
BB 11, BB 21
6
6
6
5.4
4.8
4.2
3.6
BB 12, BB 22
10
10
10
9
8
7
6
BB 14, BB 24
16
16
16
14.4
12.8
11.2
9.6
Admissible maximum pressure [bar] for equipment with steel body
Type
PN
Temperature [°C]
-10/20 50
100
150
200
300
350
400
450
BB 32
10
10
10
9.4
8.9
8.4
7.0
6.5
1
6.0
1
3.7
1
BB 34
16
16
16
15
14.2 13.4 11.1 10.4
1
9.6
1
5.9
1
BB 35
25
25
25
23.4 22.2 21.0 17.4 16.2
1
15.0
1
9.2
1
BB 36
40
40
40
37.4 35.5 33.6 27.8 25.9
1
24.0
1
14.7
1
BB 17
63
63
63
59
55.9 52.9 43.8 40.8
1
37.8
1
23.8
BB 18
100
100
100
93.6 88.8 84.0 69.6 64.8
1
60.0
1
36.8
BB 19
160
160
160 149.8 142.1 134.5 111.4 103.7
1
96.0
1
58.9
1 Requires special-issue Inconel springs.
Admissible maximum pressure [bar] for equipment with stainless steel body
Type
DN
PN
Temperature [°C]
-196/
20
100 200 300 400 450 475 500 525
1
550
1
BB 17
50-100
63
63 61.7 51.2 40.6 37.0
2
35.3
2
34.9
2
34.6
2
–
–
BB 18
50-100 100 100 98.0 81.2 64.4 58.8
2
56.0
2
55.4
2
54.9
2
–
–
1 Not for equipment size DN 50-125.
2 Requires special-issue Inconel springs.
If the operating temperatures exceed 300 °C intercrystalline corrosion may occur. Do not subject the
equipment to operating temperatures higher than 300 °C unless intercrystalline corrosion can be ruled out.
Содержание BB 1
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