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Paddle
Model UM3K is a mechanical flow switch with very low pressure drop. This type of switch is used in applications including industrial cooling systems. Available in nickel-plated brass and stainless steel.
Switching Range 4..93 l/min H₂O
Water (oils, gases and aggressive media available on request)
G⅜" up to G1"
Brass or Stainless Steel Wetted Parts
Max Pressure 25 bar
Accuracy | ± 15% of full set point |
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Connection type | Internal thread G 3/8 " |
Contact rating max | 5 A |
Electrical connection | Plug connector DIN 43650-A |
Flow max | 10 l/min |
Flow range max | 5.5 l/min |
Flow range min | 4 l/min |
Function | Paddle, micro switch, alternating |
Hysteresis | about 15% of the breaking value |
IP class | IP65 |
Material of body | Nickel-plated brass |
Material of connection | Nickel-plated brass |
Material of magnet | Hard ferrite |
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Material of seals | NBR |
Material paddle | Stainless steel AISI 304, Stainless steel 316Ti |
Material spring | Stainless steel 301 |
Pressure drop | max. 0.01 bar at maximum flow |
Pressure range max | 25 bar |
Temperature of media to | 110 °C |
Type of flow component | Flow Switches |
Weight | 0.35 kg |
Viscosity max | 1 cSt |
Voltage ac max | 250 V |