Principle: spring supported thrust magnetic piston in the fluid under the action of compression spring, when the fluid 
 Flow reaches the set value will trigger the external magnetic switch. 


 Characteristics: medium (water, oil, corrosive liquid) 
 Can be installed vertically or horizontally 
 High operating pressure and temperature 
 Monitoring of fluid mechanical principles 
 Analog output can be (depending on the analog HALL sensors or Flex and Omni) 
 3% FS accuracy 
 Viscosity compensation can be 


 Applications: industrial control flow control, hydraulic machine lubrication systems, lubrication systems, hydraulic fan 


 Type: HD1K 
 Pressure: PN200 
 Temperature: Up to 120 ℃ 
 Diameter: G1/4-G1 (internal pipe thread) 
 Flow :0.5-60 l / min 
 Ex: ATEX Explosion-proof optional 
 Other: viscosity compensated model HD2K, compensation viscosity range (30-330mm2 / s); 
 Rotary switch settings 


 Type: FW1 
 Pressure: PN10 (POM material), PN100 (brass) 
 Temperature: Up to 90 ℃ 
 Diameter: G1/4-G1 (internal pipe thread) 
 Flow :1-11 l / min 
 Explosion: None 
 Other: slider to set the switch point 


 Type: MR1K 
 Pressure: PN200 
 Temperature: Up to 120 ℃ 
 Diameter: G1/4-G1 (internal pipe thread) 
 Flow :0.4-4 ...6-60l/min 
 Explosion: None 
 Other: slider to set the switch point 


 Type: HR1MV 
 Pressure: PN200 
 Temperature: Up to 120 ℃ 
 Diameter: G 1 1/4-G2 (internal pipe thread) 
 Flow :10-40 ...50-150l/min 
 Ex: ATEX Explosion-proof optional 
 Other: slider to set the switch point 

 Model: RVM 
 Pressure: PN300 
 Temperature: up to 100 ℃ 
 Diameter: G 1 / 4 (internal pipe thread) 
 Flow :40-130ml / min...0.5-3l/min 
 Explosion: None 
 Other: slider switch point, micro flow control