PIETRO FIORENTINI SBC 187 Technical Manual page 6

Slam-shut valve
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Technical Manual MT 188-E
1.3
Tab. 1 SETTING SPRINGS
Code
2701530
2701790
Yellow/Black
2702280
White/Red
2702454
2700464
2700513
2700713
2700750
2700985
2700985
2700980
2700985
2700985
2702280
White/Red
2702454
2700713
2700750
2700985
2700985
2700980
2700985
2700985
2702280
White/Red
2702454
2700713
2700750
2700985
2700985
2700980
2700985
2700985
De = external diameter d = wire diameter
Spring characteristics
Color
De
Yellow
35
Fuchsia
Orange
Red
15
Green
Black
Brown
Brown
Blue
15
Brown
Brown
35
Fuchsia
15
Green
Black
Brown
Brown
Blue
15
Brown
Brown
35
Fuchsia
Green
15
Black
Brown
Brown
Blue
15
Brown
Brown
Setting range (bar)
Lo
d
MAX
4
60
2 ÷ 4
4.5
60
4.1 ÷ 7.5
60
5.5
7.6 ÷ 15
70
6
15.1 ÷ 22
40
1.7
40
2
40
2.3
40
2.5
40
3
40
3
35
3
40
3
40
3
60
5.5
15 ÷ 30
70
6
30.1 ÷ 45
40
2.3
40
2.5
40
3
40
3
35
3
40
3
40
3
60
5.5
30 ÷ 60
70
6
60.1 ÷ 90
40
2.3
40
2.5
40
3
40
3
35
3
40
3
40
3
Lo = Length
Pressure switch
MIN
mod.
103M -103MH
0.2 ÷ 0.5
0.51 ÷ 0.8
103M
0.81 ÷ 2
2.1 ÷ 3.7
3.8 ÷ 8
8 ÷ 13
103MH
13.1 ÷ 19
104M
1.6 ÷ 3
104M
3.1 ÷ 8
8.1 ÷ 18
18 ÷ 30
104MH
30.1 ÷ 41
105M
3 ÷ 7
7.1 ÷ 16
16.1 ÷ 44
44 ÷ 60
105MH
60.1 ÷ 90
5

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Mt-188-e

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