Graco Inc.

8900 Proportioner  Plural Component Fixed & Variable Proportioner

Handles two-component materials where one or both components are high-viscosity

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The 8900 Proportioner provides precise, positive displacement metering using double-acting cylinders. It is well-suited for handling two-component sealants, and is typically used with two-component materials where one or both components are high-viscosity.

Typical applications:

  • Sealants and adhesives for product assembly
  • Secondary seal for insulating glass
  • Polysulfide sealants for aerospace industry

Versatility and proven reliability

  • Dependable, production-proven operation
  • Rugged, reliable heavy-duty components
  • Fixed or adjustable ratio versatility
  • Continuous, on-demand or adjustable shot-size dispensing
  • Modular system configurations for customizing to suit your needs

View values in metric units. View values in U.S. units.

8900 Proportioner
Maximum system working pressure
2000 psi
13.8 MPa, 138 bar
Maximum air input pressure
100 psi
0.7 MPa, 7 bar
Main air inlet size (8900 Proportioner)
3/4 npsm(f)
3/4 npsm(f)
8900 Proportioner outlet size
Component A Pump
3/4 npsm(f)
3/4 npsm(f)
Component B Pump
3/4 npsm(f)
3/4 npsm(f)
8900 Proportioner inlet size
Component A Pump
3/4 npsm(f)
3/4 npsm(f)
Component B Pump
3/4 npsm(f)
3/4 npsm(f)
8900 Proportioner wetted parts
Carbon steel, stainless steel, zinc, black oxide, PTFE, fluoroelastomer, electroless nickel, aluminum, nylon
Carbon steel, stainless steel, zinc, black oxide, PTFE, fluoroelastomer, electroless nickel, aluminum, nylon