4
T205VB Series
Table 1.
Vacuum Control Pressure Ranges
VACUUM CONTROL
PRESSURE RANGE
(1)(2)
SPRING
PART NUMBER SPRING COLOR
SPRING WIRE DIAMETER
SPRING FREE LENGTH
psig
mbar
In.
mm
In.
mm
0 to 4 in. w.c.
0 to 10
0N039427222
Unpainted
0.062
1.6
3.06
78
0 to 1.0
0 to 69
0N086127022
Unpainted
0.125
3.2
2.50
64
0 to 2.1
0 to 145
0N004327022
Yellow
0.162
4.1
2.50
64
0 to 5
0 to 0.34 bar
1D141827012
Blue
0.207
5.3
2.50
64
1. Spring ranges based on atmospheric inlet pressure.
2. To convert to in. Hg, multiply psig value by 2.04.
Table 2.
Maximum Setpoints for Achieving Wide-Open Flow
SPRING RANGE,
PART NUMBER
AND COLOR
CODE
(1)(2)
ORIFICE SIZE
MAXIMUM SETPOINTS FOR ACHIEVING WIDE-OPEN FLOW AT SPECIFIC INLET PRESSURES
0 psi / 0 bar
25 psi / 1.7 bar
50 psi / 3.4 bar
75 psi / 5.2 bar
100 psi / 6.9 bar
125 psi / 8.6 bar
In.
mm
psig
bar
psig
bar
psig
bar
psig
bar
psig
bar
psig
bar
0 to 4 in. w.c. /
0 to 10 mbar
0N039427222
Unpainted
1/4
6.4
4 in. w.c. 10 mbar 4 in. w.c. 10 mbar
3.5 in.
w.c.
8.7 mbar 3 in. w.c. 7.5 mbar 2.5 in.
w.c.
6.2 mbar 2 in. w.c. 5 mbar
1/2
13
4 in. w.c. 10 mbar 3 in. w.c.
7.5
1.5 in.
w.c.
3.7 mbar
0 to 1.0 psig /
0 to 69 mbar
0N086127022
Unpainted
1/4
6.4
1
0.07
1
0.07
1
0.07
1
0.07
0.96
0.07
0.92
0.06
1/2
13
1
0.07
0.95
0.07
0.9
0.06
0.85
0.06
0.8
0.05
0.75
0.05
0 to 2.1 psig /
0 to 145 mbar
0N004327022
Yellow
1/4
6.4
2.1
0.14
2.1
0.14
2.1
0.4
2.1
0.14
2.05
0.14
2.0
0.14
1/2
13
2.1
0.14
2.1
0.14
2.05
0.14
1.98
0.14
1.92
0.13
1.86
0.13
0 to 5 psig /
0 to 0.34 bar
1D141827012
Blue
1/4
6.4
5.0
0.34
5.0
0.34
5.0
0.34
5.0
0.34
5.0
0.34
5.0
0.34
1/2
13
5.0
0.34
5.0
0.34
5.0
0.34
5.0
0.34
5.0
0.34
5.0
0.34
- Not applicable.
1. Spring ranges based on atmospheric inlet pressure.
2. To convert to in. Hg, multiply psig value by 2.04.
