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July 2008
Type SR8 Sanitary Backpressure Regulator
E0968
INLET PRESSURE
INLET PRESSURE
INLET PRESSURE
OUTLET PRESSURE
OUTLET PRESSURE
OUTLET PRESSURE
ATMOSPHERIC PRESSURE
ATMOSPHERIC PRESSURE
ATMOSPHERIC PRESSURE
BODY SIZE
SET PRESSURE RANGE
In.
mm
psig
2 to 8
5 to 25
10 to 50
1/2, 3/4
15, 20
35 to 100
75 to 125
2 to 8
5 to 25
15 to 70
1, 1-1/2
25, 40
25 to 90
full port
full port
1-1/2 x 1
40 x 25
35 to 100
75 to 125
10 to 25
2 and 3
50 and 80
15 to 50
25 to 60
1. The 2 to 8 psig / 0.14 to 0.55 bar spring is not available with the metal diaphragm.
BODY SIZE
In.
mm
1/2, 3/4
15, 20
1, 1-1/2 full port
25, 40 full port
1-1/2 x 1
40 x 25
2 and 3
50 and 80
Figure 2. Operational Schematic
Table 2. Set Pressure Ranges and Control Spring Data
COLOR
bar
0.2 to 0.5
Blue
(1)
0.4 to 1.7
Silver
0.7 to 3.4
Green
2.4 to 6.9
Red
Red
5.2 to 8.6
Yellow
0.2 to 0.5
Blue
(1)
0.4 to 1.7
Silver
1.0 to 4.8
Green
1.7 to 6.2
Red
Green
2.4 to 6.9
Yellow
Red
5.2 to 8.6
Yellow
0.7 to 1.7
Silver
1.0 to 3.4
Green
1.7 to 4.1
Red
Table 3. Maximum Differential Pressures
OUTLET PRESSURE RANGE
psig
bar
2 to 8
0.2 to 0.5
5 to 25
0.4 to 1.7
10 to 50
0.7 to 3.4
35 to 100
2.4 to 6.9
75 to 125
5.2 to 8.6
2 to 8
0.2 to 0.5
5 to 25
0.4 to 1.7
15 to 70
1.0 to 4.8
25 to 90
1.7 to 6.2
35 to 100
2.4 to 6.9
75 to 125
5.2 to 8.6
10 to 25
0.7 to 1.7
15 to 50
1.0 to 3.4
25 to 60
1.7 to 4.1
WIRE DIAMETER
FREE LENGTH
In.
mm
In.
0.138
3.51
2.75
0.177
4.50
2.75
0.192
4.88
2.75
0.225
5.72
2.75
0.225
5.72
2.75
0.148
3.76
2.75
0.225
5.72
3.25
0.282
7.16
3.25
0.331
8.41
3.25
0.362
9.19
3.25
0.331
8.41
3.2
0.250
6.35
3.25
0.362
9.19
3.25
0.250
6.35
3.25
0.562
14.3
6
0.625
15.9
6
0.625
15.9
6
COLOR
Blue
Silver
Green
Red
Red/Yellow
Blue
Silver
Green
Red
Green/Yellow
Red/Yellow
Silver
Green
Red
Type SR8
Type SR8
PART NUMBER
mm
69.9
GE06780X012
69.9
GE06781X012
69.9
GE06782X012
69.9
GE06783X012
69.9
GE06783X012
69.9
GE06784X012
82.6
GE02763X012
82.6
GE02764X012
82.6
GE02765X012
82.6
GE02766X012
82.6
GE02765X012
82.6
GE06090X012
82.6
GE02766X012
82.6
GE06090X012
152.4
GE14003X012
152.4
GE14004X012
152.4
GE14005X012
MAXIMUM DIFFERENTIAL PRESSURE
psid
bar d
15
1.0
40
2.7
100
6.9
140
9.6
160
11
15
1.0
40
2.7
100
6.9
125
8.6
140
9.6
160
11
50
3.4
75
5.2
75
5.2
3
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