Today is : 2024-03-28




 
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Products Name: Flow Switch
 
Flow Switch
 
 
Description:
Used to sense the change of flow that passes the pipe line, playing a role to protect the torrential flow
Can be regulated based on different flow
Employs a SPDT miniature switch with large capacity, possessing the advantages of quick action to guarantee the transient of the switch
The outer covering of switch applies the totally enclosed construction, while the inside parts used the corrosion-proof stainless steel materials ensuring switch’s normal work under any circumstance
Max. working pressure: 13.5 bar
Liquid temperature: 0ºC - +120ºC
 
Model and Functions:

Model
Connection
Construction
DH-S20
1” – 1-1/2 NPT
Hermetically sealed plastic shell
DH-S25
3/4” – 14 NPT

 
Electrical Data of the Micro Switch

                Voltage
  Current
AC  110V
AC  220V
Non-inductive Current
15
15
Full Load Current
24
24
Starting Current
144
144

 
Flow Rate Table

Required to Actuate Switch   m3/h
Pipe Size  (inch)
1
1-1/4
1-1/2
2
2-1/2
3
4
5
6
8
Regulating Range
Min. Flow
Flow Increase      (Red, Blue closed)
1.0
1.3
1.7
3.1
4.1
6.2
8.4
12.9
16.8
46.6
Flow Increase       (Red, Yellow closed)
0.6
0.8
1.1
2.2
2.8
4.3
6.1
9.3
12.3
38.6
Max. Flow
Flow Increase      (Red, Blue closed)
2.0
3.0
4.4
6.6
7.8
12.0
18.4
26.8
32.7
94.2
Flow Increase       (Red, Yellow closed)
1.9
2.8
4.1
6.1
7.3
11.4
17.3
25.2
30.7
90.8

 
 
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Tel: 0086-532-87355885 Fax: 0086-532-80687002
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