Selection Guide

Technical Bulletin Flowrite™ 599 Series Valve and Actuator Assembly Selection
Document No. 155-304P25
May 21, 2008
Page 4 Siemens Building Technologies, Inc.
ELECTRONIC PNEUMATIC
Line Size (in)
1400
1200
1000
800
600
400
200
0
1600
250
200
150
100
50
25
0
1/2" 3/4" 1" 1-1/4" 1-1/2" 2"
Differential Pressure (psi)
Differential Pressure (kPa)
Line Size (in)
1/2" 3/4" 1" 1-1/4" 1-1/2" 2"
250
200
150
100
50
25
0
Differential Pressure (psi)
1400
1200
1000
800
600
400
200
0
1600
Differential Pressure (kPa)
VF0280R1
4-inch Pneumatic
8-inch Pneumatic
12-inch Pneumatic
SQX
EI/Mech Low Force
SKD
SKB
Rack & Pinion Valve
Line Size (in)
1/2" 3/4" 1" 1-1/4" 1-1/2" 2"
Line Size (in)
1/2" 3/4" 1" 1-1/4" 1-1/2" 2"
250
200
150
100
50
25
0
Differential Pressure (psi)
1400
1200
1000
800
600
400
200
0
1600
Differential Pressure (kPa)
250
200
150
100
50
25
0
Differential Pressure (psi)
1400
1200
1000
800
600
400
200
0
1600
Differential Pressure (kPa)
Figure 2. Close-off Pressures for 1/2 through 2-Inch Valves.
A
2W NC &
3W Upper
2W NO &
3W Lower
B
Line Size (in)
600
500
400
300
200
100
0
700
100
80
60
40
20
0
2-1/2" 3" 4" 5" 6"
Close-Off Pressure
(bar)
Close-Off Pressure
(psi)
Line Size (in)
700
600
500
400
300
200
100
0
800
900
1000
1100
160
140
120
60
80
100
40
20
0
2-1/2" 3" 4" 5" 6"
Close-Off Pressure
(bar)
Close-Off Pressure
(psi)
Line Size (in)
400
300
200
100
0
500
80
60
40
20
0
2-1/2" 3" 4" 5" 6"
Close-Off Pressure
(bar)
Close-Off Pressure
(psi)
Line Size (in)
1400
1200
1000
800
600
400
200
0
1600
250
200
150
100
50
0
2-1/2" 3" 4" 5" 6"
Close-Off Pressure
(bar)
Close-Off Pressure
(psi)
EI/Mech Low Force
SKD
EI/Mech High Force
SKB/C
ELECTRONIC PNEUMATIC
(with 30 psi supply)
VF0204R2
8-inch Pneumatic
12-inch with 3/4 in. stroke
12-inch with 1-1/2 in. stroke
Figure 3. Close-off Pressures for 2-1/2 through 6-Inch Valves.