Series 450 Autovalve

The Series 450 Autovalve is a durable and reliable pneumatic valve. The seals can be adjusted without disassembly of the valve body, and shut-off pistons ensure good control of dot or shot volume. After each shot, the dual pistons retract and "snuff back" material from the end of the element mixing nozzle, eliminating drool. The Series 450 Autovalve can be used either as a stationary head or hand-held unit, and includes both hard-coated and lubricated pistons.


  • Easy to Clean: If cross contamination occurs, the manifold can be removed and cleaned without disassembly of the valve body
  • Optional Stainless Steel Valve: Recommended for corrosive acrylics or epoxies
  • Flush Valve Manifold: For cleaning the mixing nozzle with air or solvent. A check valve is threaded into the side of the manifold
  • Lubricated and Hard Coated Pistons: Lubricated with Nordson EFD Autogrease for moisture sensitive adhesives and hard-coated to resist abrasive adhesives
  • Optional Polytuff, PTFE, Viton® and EP Seals: For varying chemical formulations and abrasive conditions
  • Optional Night Cap Ratio Check Cap: Available for 1:1 ratio manifold

Ordering Guide

  • Valve, manifold, and handle must be ordered for complete assembly
  • Optional pistol grip handles and swivel base are available
  • For high back pressure conditions (i.e., over 1,000 psi/69 bar) order a double air cylinder
  • Seal Designation: T=PTFE; P=Polyurethane; V=Viton®, G=Polytuff


  • Weight (Al Valve and Manifold): 1.6 lbs (0.7kg)
  • Weight (SS Valve and Manifold): 2.5lbs (1.1 kg)
  • Pressure Rating: 3,500 psi (240 bar)

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