Pipeline ancillaries Bellows sealed stop valves
10
Seat leakage Disc to seat shut-off conforms to EN 12266-1 Rate A leakage.
Kv values - all options
DN15 (½")
DN20 (¾")
DN25 (1")
DN32 (1¼")
DN40 (1½")
DN50 (2")
DN65 (2½")
DN80 (3")
DN100 (4")
DN125 (5")
DN150 (6")
DN200 (8")
DN250 (10")
Size
Kv
4
7
12
19
30
47
77
120 193 288 410 725 1 145
For conversion: Cv (UK) = Kv x 0.963 Cv (US) = Kv x 1.156 Note: For Kv values and flow characteristic values of the BSA1T, BSA2T and BSA3T see the next section 'BSAT flow data'.
BSAT flow data
BSAT valve
Size
DN15 (½")
DN20 (¾")
DN25 (1")
DN32 (1¼")
DN40 (1½")
DN50 (2")
DN65 (2½")
DN80 (3")
DN100 (4")
DN125 (5")
DN150 (6")
DN200 (8")
DN250 (10")
Handwheel rotations
Kv values for given handwheel rotations tested to EN 60534-2-3 Water at 20 °C (68 °F)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
1.2 1.2 1.4 2.2 4.4 4.1 5.6 10.4 12.0 21
28
66
110
1
1.7 1.7 2.0 3.7 5.0 5.0 7.0 11.5 14.3 23
30
81 140
1.5
2.7 2.9 2.9 5.0 5.5 6.0 9.2 13.6 24.5 26
33
97 150
2
3.6 4.0 4.6 7.9
7.6
7.2 11.6 16.3 34.1 42
46
111 165
2.5
4.4 5.3 6.4 10.6 11.0 9.7 12.4 18.5 59.6 67
65 149 190
3 4
5.4 6.6 8.5 13.8 14.7 14.1 13.0 21.1 86.2 94
90 199 225
7.1.8
10.6 17.0 22.6 24.4 25.2 24.5 123.0 140 152 302 330
4.5
11.2 18.3 24.4 29.4 32.5 29.0 139.0 181 177 355 451
5 6
11.9 19.6 27.2 37.0 43.6 39.1 164.1 185 216 403 460
28.9 46.2 60.2 61.0 179.0 220 264 455 600
6.5
29.1 47.0 63.0 69.0 186.0 230 288 480 641
6.7
29.3 47.2 64.3 73.0
235 293 487 656
7 8
65.9 78.0
241 305 495 678
10.1 11
71.2 90.0
259 337 507 738
8.5
74.6 92.0
348 522 760
9.5
99.0
369
793
10
101.6
805
10.7
827
To convert Kv to volume flowrate in m³/h: = Kv x Where: = Volume flow in cubic m/h ∆P = Pressure drop in bar
Note: The maximum recommended differential pressure in throttling function:
DN15 - DN80
2.0 bar (29 psi)
DN100 - DN125
1.5 bar (22 psi)
DN150
1.0 bar (15 psi)
If the BSAT is used above these quoted figures, increased noise and vibration may be experienced.
DN200 - DN250
0.8 bar (12 psi)
TI-P137-18 CMGT Issue 15
Page 5 of 17
BSAT and BSA Bellows Sealed Stop Valves
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