47
ASME series
Admissible maximum pressure [bar] for equipment with steel body
Type
Class
Temperature [°C]
-29/
38
100
200
250
300
350
400
425
BB 35
150
19.6 17.7
13.8
12.1
10.2
8.4
1
6.5
1
5.5
1
BB 36
300
51.1 46.6
43.8
41.9
39.8
37.6
1
34.7
1
28.8
1
BB 18
600
102.1 93.2
87.6
83.9
79.6
75.1
1
69.4
1
57.5
1
BB 19
900
153.2 139.8 131.4 125.8 119.5 112.7
1
104.2
1
86.3
1
1 Requires special-issue Inconel springs.
Temperatures down to –29°C admissible in line with ASME requirements (without additional testing of
pressure-bearing components). Temperatures down to –10°C admissible in compliance with European
requirements.
Admissible maximum pressure [bar] for equipment with stainless steel body
Type
Class
Temperature [°C]
-196/
20
100
200
250
300
350
400
450
BB 18
600
82.7
69.6
58.3
54.9
52.1
50.1
1
48.6
1
46.8
1
1 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.
Admissible maximum pressure [bar] for equipment with stainless steel body
Type
Class
Temperature [°C]
-196/
20
100 200 250 300 350 400 450 500 538
BB 35
150
19.0 16.2 13.7 12.1 10.2 8.4
1
6.5
1
4.6
1
2.8
1
1.4
1
BB 36
300
49.6 42.2 35.7 33.4 31.6 30.3
1
29.4
1
28.8
1
28.2
1
25.2
1
BB 18
600
99.3 84.4 71.3 66.8 63.2 60.7
1
58.9
1
57.7
1
56.5
1
50.0
1
BB 19
900
148.9 126.8 107.0 100.2 95.0 91.3
1
88.2
1
86.6
1
82.1
1
72.3
1
1 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.
Summary of Contents for BB 1
Page 1: ...Double Swing Check Valve BB 1 BB 2 BB 3 Original Installation Instructions 819649 00 ...
Page 50: ...50 ...
Page 51: ...51 ...
