Table 3 – spring selection – Groth 3011L User Manual
Page 8
7
TABLE 3 – SPRING SELECTION
SPRING RANGES 1" SIZE
SPRING RANGES 1/2" SIZE
Model
No.
Max
Supply
(psig
barg)
Min
Setting
(in. water
mbarg)
Max
Setting
(in. water
mbarg)
Spring
Range
Model
No.
Max
Supply
(psig
barg)
Min
Setting
(in. water
mbarg)
Max
Setting
(in. water
mbarg)
Spring
Range
3011L/
(3041L)
200 0.5 0.8
3
3011L/
(3041L)
200 0.5 0.8
2
13.8 1.2 2.0
13.8 1.2 2.0
200 0.8 1.0
4
200 0.8 1.0
3
13.8 2.0 2.5
13.8 2.0 2.5
200 1.0 2.0
5
13.8 2.5 5.0
3011H/
(3041H)
50 0.5 0.7
1
3.4 1.2 1.7
3011H/
(3041H)
50 0.5 1.0
1
200 0.7 1.7
2
3.4 1.2 2.5
13.8 1.7 4.2
100 1.0 1.5
2
200 1.7 3.0
3
6.9 2.5 3.7
13.8 4.2 7.5
150 1.5 2.0
3
200 3.0 4.5
4
10.3 3.7 5.0
13.8 7.5 11.2
200 2.0 3.5
4
200 4.5 6.5
5
13.8 5.0 8.7
13.8 11.2 16
200 3.5 6.5
5
13.8 8.7 16
Note: When spring ranges overlap,
select the lighter spring
Model No.
Max
Supply
(psig
barg)
Min
Setting
(in. water
mbarg)
Max
Setting
(in. water
mbarg)
Spring
Range
Model No.
Max
Supply
(psig
barg)
Min
Setting
(in. water
mbarg)
Max
Setting
(in. water
mbarg)
Spring
Range
200
0.5
0.7
200
0.5
0.8
13.8
1.2
1.7
13.8
1.2
2
200
0.8
1
200
0.8
1
13.8
2
2.5
13.8
2
2.5
200
1
2
13.8
2.5
5
170
0.5
0.7
11.7
1.2
1.7
50
0.5
1
200
0.7
1.7
3.4
1.2
2.5
13.8
1.7
4.2
100
1
1.5
200
1.7
3
6.9
2.5
3.7
13.8
4.2
7.5
150
1.5
2
200
3
4.5
10.3
3.7
5
13.8
7.5
11.2
200
2
3.5
200
4.5
8
13.8
5
8.7
13.8
11.2
20
200
3.5
6.5
13.8
8.7
16.2
200
6.5
8
13.8
16.2
20
SPRING RANGES 1" SIZE
SPRING RANGES 1/2" SIZE
3011L/
(3041L)
2
3011H/
(3041H)
3011L/
(3041L)
3011H/
(3041H)
5
4
3
1
2
3
4
5
6
5
4
Note: When spring ranges overlap,
select the lighter spring
3
2
1
3