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K-7 Unloader Valve

2.1 – 3.0 GPM
3500 Max PSI
165° Max Temp

Flow-Sensitive or Pressure Sensitive?
flow-sensitive unloader allows pressure to build up gradually as the trigger is pulled, reducing the gun "kickback". When the trigger is pulled the entire system is relieved of pressure, for easy starting and less wear on hoses and gun. This is the best choice of unloader

pressure sensitive unloader gives you immediate pressure when the trigger is pulled.  

Unloader K-7 Schematic