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Home > Valves > Pneumatic Impulse Relay Valves
Pneumatic Impulse Relay Valves
     
 


 
     
 
Pneumatic Impulse Pressure Type Relay Valves 414B
  
     
  Impulse relay valves allow you to shift a double-pressure piloted or double bleed piloted valve, even though there are overlapping pilot signals. Relay valves convert a sustained air flow from a three-way pilot valve into a momentary pulse or bleed, which shifts a control valve and then closes.

When actuated, the 3-way valve sends a signal to 414B, which emits a signal to the control valve. The 3-way valve remains actuated. The valve shifts, allowing air to flow through port A, extending the cylinder. 414B senses the back pressure caused by the shifted valve, closes, and exhausts. Since the signal from valve #1 is blocked by the closed 414B, valve #2 (when actuated) shifts the control valve back. Air flows through port B, retracting the cylinder.		  
     
 
 
     
 
 
     
  Pneumatic Impulse Pressure Type Relay Valve 414B   414b  
   
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Air Fittings, Vacuum Regulators, Vacuum Relief Valves