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Honsberg - UR1 Series Flow Switch

Paddle

The Honsberg UR1 is a simple flow switch which can easily be adjusted and also changed from normally open to normally closed. The flow switch works via a spring-supported paddle which moves according to the flow and when the specific flow is reach a magnetic reed switch is activated.

Special versions

• Plastic materials
• Weld/solder connection
• High volume OEM version
• Ex

• Switching ranges for oil or gas
• Special values
• High volume OEM version
• PVC (solder fitting)

 

Read more
  • Switching range 1,3..35 l/min
  • Water (oils, gases and aggressive media available on request)
  • G⅜" up to G2"
  • Brass or stainless steel wetted parts
  • Max pressure 25 bar

Selected variant

Selected variant

Technical data

Accuracy ±15% fs
Adjustable switching point l/min water 2,5..3,5 l/min
Connection type G3/8" female
Contact rating max 50 A
Contact rating max 50 VA
Electrical connection 1.5m cable
Flow max 10 l/min
Function Normally open or normally closed (SPST)
IP class IP65
Material breaker body Hard ferrite
Material of body Nickel-plated brass, Stainless steel 303
Material of connection Nickel-plated brass
Material of seals NBR
Material of wetted parts Nickel-plated brass, Stainless steel, Hard ferrite, NBR
Material paddle Stainless steel 301
Media Water (oil, air and aggressive media on request)
Pressure drop Approx. 0.01 bar at max. flow
Pressure range max 25 bar
Temperature of media from 20 °C
Temperature of media to 110 °C
Type of flow component Flow Switches
Weight 0,35 kg
Viscosity 1 cSt
Voltage ac max 230 V

Measurements and connections

Technical illustrations

Product description

The Honsberg UR1 is a simple flow switch which can easily be adjusted and also changed from normally open to normally closed. The flow switch works via a spring-supported paddle which moves according to the flow and when the specific flow is reach a magnetic reed switch is activated.

Special versions

• Plastic materials
• Weld/solder connection
• High volume OEM version
• Ex

• Switching ranges for oil or gas
• Special values
• High volume OEM version
• PVC (solder fitting)

 

Ordering information

Ordering information

 

● Specify direction of flow, medium, and switching range, UR1 or switching value UR2.

● For UR2 specify normally closed (n.c.) or normally open (n.o.).

● For oils, state viscosity, temperature and designation (e.g. ISO VG 68) (enquire about range).

● For gases, state pressure (relative or absolute), temperature and medium (e.g. air) (enquire about range).

 

 

Installation

 

  • Include straight calming section of 5 x DN in inlet and outlet.
  • Include a filter if the media is dirty (use magnetic filter for ferritic components).
  • It must be ensured that the values given for voltage, current and power are not exceeded.
  • When switched on, a load must be connected in series.
  • The electrical details apply to ohmic loads. Capacitive, inductive and lamp loads must be operated using a protective circuit.
  • Standard: horizontal inwards flow; switching head not recommended underneath; other installation positions are possible; the installation position affects the switching point and range.

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Parts Accuracy Adjustable switching point l/min water Connection type Flow max Material breaker body Material of body Material of connection Material of seals Material of wetted parts Material paddle Pressure drop Type of flow component Weight Viscosity Voltage ac/dc max Price
±15% fs
2,5..3,5 l/min
G3/8" female
10 l/min
Hard ferrite
Nickel-plated brass, Stainless steel 303
Nickel-plated brass
NBR
Nickel-plated brass, Stainless steel, Hard ferrite, NBR
Stainless steel 301
Approx. 0.01 bar at max. flow
Flow Switches
0,35 kg
1 cSt
±15% fs
2,5..3,5 l/min
G3/8" female
10 l/min
Hard ferrite, PTFE coating
Stainless steel 303
Stainless steel
FKM
Stainless steel, Hard ferrite, PTFE coating, FKM
Stainless steel 301
Approx. 0.01 bar at max. flow
0,4 kg
1 cSt
±15% fs
4..4,5 l/min
G1/2" female
20 l/min
Hard ferrite
Nickel-plated brass, Stainless steel 303
Nickel-plated brass
NBR
Nickel-plated brass, Stainless steel, Hard ferrite, NBR
Stainless steel 301
Approx. 0.01 bar at max. flow
Flow Switches
0,35 kg
1 cSt
±15% fs
4..4,5 l/min
G1/2" female
20 l/min
Stainless steel
Stainless steel, Hard ferrite, PTFE coating, FKM
Approx. 0.01 bar at max. flow
0,4 kg
1 V
±15% fs
5..6 l/min
G3/4" female
40 l/min
Hard ferrite
Nickel-plated brass, Stainless steel 303
Nickel-plated brass
NBR
Nickel-plated brass, Stainless steel, Hard ferrite, NBR
Stainless steel 301
Approx. 0.01 bar at max. flow
Flow Switches
0,35 kg
1 cSt
±15% fs
5..6 l/min
G3/4" female
40 l/min
Hard ferrite, PTFE coating
Stainless steel 303
Stainless steel
FKM
Stainless steel, Hard ferrite, PTFE coating, FKM
Stainless steel 301
Approx. 0.01 bar at max. flow
0,35 kg
1 cSt
±15% fs
9,5..11,5 l/min
G1" female
60 l/min
Hard ferrite
Nickel-plated brass, Stainless steel 303
Nickel-plated brass
NBR
Nickel-plated brass, Stainless steel, Hard ferrite, NBR
Stainless steel 301
Approx. 0.01 bar at max. flow
Flow Switches
0,4 kg
1 cSt
±15% fs
9,5..11,5 l/min
G1" female
60 l/min
Hard ferrite, PTFE coating
Stainless steel 303
Stainless steel
FKM
Stainless steel, Hard ferrite, PTFE coating, FKM
Stainless steel 301
Approx. 0.01 bar at max. flow
0,45 kg
1 cSt
±15% fs
13,5..17,5 l/min
G1¼" female
80 l/min
Hard ferrite
Nickel-plated brass, Stainless steel 303
Nickel-plated brass
NBR
Nickel-plated brass, Stainless steel, Hard ferrite, NBR
Stainless steel 301
Approx. 0.01 bar at max. flow
Flow Switches
0,45 kg
1 cSt
±15% fs
13,5..17,5 l/min
G1¼" female
80 l/min
Stainless steel
Stainless steel, Hard ferrite, PTFE coating, FKM
Approx. 0.01 bar at max. flow
0,5 kg
1 V
±15% fs
30..38 l/min
G1½" female
100 l/min
Hard ferrite
Nickel-plated brass, Stainless steel 303
Nickel-plated brass
NBR
Nickel-plated brass, Stainless steel, Hard ferrite, NBR
Stainless steel 301
Approx. 0.01 bar at max. flow
Flow Switches
0,55 kg
1 cSt
±15% fs
30..38 l/min
G1½" female
100 l/min
Stainless steel
Stainless steel, Hard ferrite, PTFE coating, FKM
Approx. 0.01 bar at max. flow
0,65 kg
1 V
±15% fs
42..53 l/min
G2" female
150 l/min
Hard ferrite
Nickel-plated brass, Stainless steel 303
Nickel-plated brass
NBR
Nickel-plated brass, Stainless steel, Hard ferrite, NBR
Stainless steel 301
Approx. 0.01 bar at max. flow
Flow Switches
0,8 kg
1 cSt
42..53 l/min
G2" female
150 l/min
Stainless steel
Stainless steel, Hard ferrite, PTFE coating, FKM
0,95 kg
1 V

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