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24000SB Valve
D103334X012
Product Bulletin
52.1:24SB
March 2013
12
Table 20. Allowable Pressure Drops for Baumann 32, 54, and 70 Actuators with 6000 psi Valve Body (bar)
ORIFICE
DIA.
(mm)
PLUG
TRAVEL
(mm)
ACT
TYPE
AIR-TO-OPEN ACTION AIR-TO-CLOSE ACTION
BENCH
RANGE
(barg)
0.2-1.0 barg SIGNAL
TO ACTUATOR
WITH POSITIONER
1.38 barg AIR
SUPPLY
BENCH
RANGE
(barg)
0.2-1.0 barg SIGNAL
TO ACTUATOR
WITH POSITIONER
1.38 barg AIR
SUPPLY
Max CL
IV
Shutoff
Pressure
Max CL
VI
Shutoff
Pressure
Max CL
IV
Shutoff
Pressure
Max CL
VI
Shutoff
Pressure
Max CL
IV
Shutoff
Pressure
Max CL
VI
Shutoff
Pressure
Max CL
IV
Shutoff
Pressure
Max CL
VI
Shutoff
Pressure
6.4 12.7
32 0.3-1.0 64 --- 123 --- 0.2-0.9 61 --- 214 ---
32 0.5-1.0 125 --- 184 --- 0.2-0.7 153 --- 306
(1)
---
54 0.6-1.0 236 --- 325
(1)
--- 0.2-0.7 231 --- 431
(1,2)
---
7.9 12.7
32 0.4-1.0 --- 73 --- 114 0.2-0.7 --- 92 --- 199
54 0.6-1.0 --- 182 --- 244
(1)
0.2-0.7 --- 147 --- 308
(1,2)
9.5 12.7
32 0.5-1.0 64 52 94 81 0.2-0.7 78 66 156 144
54 0.6-1.0 144 132 189 177 0.2-0.7 118 106 236 224
70 0.6-1.0 195 183 257
(1)
245
(1)
--- --- --- --- ---
20.6 12.7
54 0.8-1.0 48 41 59 53 0.2-0.7 29 23 59 53
70 0.7-1.0 57 50 72 66 --- --- --- --- ---
1. The maximum shutoff pressure when using ENVIRO-SEAL packing is defined by: nP = Table Value - [1112 / (Port Diameter)
2
]. These table values should not be modified by this formula and
the maximum nP of 51.7 bar should be used for ENVIRO-SEAL packing.
2. The maximum shutoff pressure when using Flexible Graphite packing is defined by: nP = Table Value - [5337 / (Port Diameter)
2
]. These table values should not be modified by this formula
and the maximum nPof431barshouldbeusedforFlexibleGraphitepacking.
Table 21. Allowable Pressure Drops for Baumann 32, 54, and 70 Actuators with 6000 psi Valve Body (psi)
ORIFICE
DIA. (in)
PLUG
TRAVEL
(in)
ACT
TYPE
AIR-TO-OPEN ACTION AIR-TO-CLOSE ACTION
BENCH
RANGE
(psig)
3-15 psig SIGNAL TO
ACTUATOR
WITH POSITIONER
20 psig AIR SUPPLY
BENCH
RANGE
(psig)
3-15 psig SIGNAL TO
ACTUATOR
WITH POSITIONER
20 psig AIR SUPPLY
Max CL
IV
Shutoff
Pressure
Max CL
VI
Shutoff
Pressure
Max CL
IV
Shutoff
Pressure
Max CL
VI
Shutoff
Pressure
Max CL
IV
Shutoff
Pressure
Max CL
VI
Shutoff
Pressure
Max CL
IV
Shutoff
Pressure
Max CL
VI
Shutoff
Pressure
0.25 0.50
32 5-15 887 --- 1773 --- 3-13 887 --- 3103 ---
32 7-15 1773 --- 2660 --- 3-10 2216 --- 4433
(1)
---
54 8-15 3357 --- 4700
(1)
--- 3-10 3357 --- 6250
(1,2)
---
0.3125 0.50
32 7-15 --- 1033 --- 1649 3-10 --- 1341 --- 2880
54 9-15 --- 2600 --- 3532
(1)
3-10 --- 2133 --- 4465
(1,2)
0.375 0.50
32 7-15 905 730 1357 1182 3-10 1131 956 2262 2087
54 9-15 2055 1881 2741 2566 3-10 1713 1538 3426 3251
70 9-15 2794 2619 3725
(1)
3551
(1)
--- --- --- --- ---
0.8125 0.50
54 11-15 685 591 856 762 3-10 428 334 856 762
70 10-15 815 720 1048 953 --- --- --- --- ---
1. The maximum shutoff pressure when using ENVIRO-SEAL packing is defined by: nP = Table Value - [25 / (Port Diameter)
2
]. These table values should not be modified by this formula and the
maximum nP of 750 psi should be used for ENVIRO-SEAL packing.
2. The maximum shutoff pressure when using Flexible Graphite packing is defined by: nP = Table Value - [120 / (Port Diameter)
2
]. These table values should not be modified by this formula
and the maximum nP of 6250 psi should be used for Flexible Graphite packing.
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