Graco Inc.

Vent Valves 

Industry leading feature for your lube system needs

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Vent valves are designed to be mounted to the G3 Electric Lubrication Pump to make it simple to install your injector based lube systems. 

  • Easily mounts to your G3 pump.
  • Eliminates time and material costs associated with remote mounted vent valves 
  • Available with 4 power options, 12 VDC, 24 VDC, 120 VAC, 230 VAC
  • Now available with normally closed and normally open valves for added convenience 
  • The normally open valve works with the G3 Standard no control pump. With an external control just add power to the pump and valve to run a lube cycle, and remove power from both to vent pressure 
  • The normally closed valve works with the G3 Max pumps controller, and vents pressure based on the time duration you program into the G3 control 
  • Adjustable pressure relief is integrated into the valve, no need to purchase an additional relief valve 
  • Power connections are DIN for AC models, and Deutcsh for DC models to meet typical application requirements

Direct Mount Vent Valve for G3 Pumps
Maximum working pressure
3500 psi
24 MPa, 241 bar
Pressure Relief Valve
Factory Set Pressure
4000 psi + 10%
27.6 MPa, 275.8 bar + 10%
Reset Pressure
80% of pressure
80% of pressure
Relief Rate
0.13 gallons/sec @3000 psi
0.57 liters/sec @21 MPa. 207 bar
Solenoid Valve
Up to 5 gpm (18.9 lpm)
Up to 5 gpm (18.9 lpm)
Materials of Construction
Wetted materials on all models
zinc plated steel, carbon steel, 6061 T6 aluminum, fluoroelastomer, polyurethane
zinc plated steel, carbon steel, 6061 T6 aluminum, fluoroelastomer, polyurethane
37.72 oz.
1069.5 grams
Solenoid Coil
Resistance (DC) @ 68°F (20°C )
Initial Current Draw (Amps)
12 Volt DC
24 Volt DC
115 AC*
230 AC*
* AC service coils are internally rectified and can be used in 50 or 60 Cycle (Hz) lines.
NOTE: AC voltage service with transient surges over 1000 volts may require a varistor to be placed in parallel with