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DOPAG SILCO-MIX Piston Type Metering and Mixing

SILCO-MIX is a special system for transferring, metering and mixing liquid silicone rubbers (LSR) from the original 5 gallon (20 liter) pails or 55 gallon (200 liter) drums.


SILCO-MIX P is an entry-level system for silicone processing. The metering pumps are operated pneumatically via a lever system. SILCO-MIX PH is a pneumatic / hydraulic hybrid system and works with a fixed mixing ratio. A patented process ensures high metering accuracy by absolute synchronicity of the metering pumps.

SILCO-MIX H is a version of the system in which the metering pumps are operated hydraulically. The system is especially used for processing high viscosity media.

The SILCO-MIX V (VOLU-MIX design) uses low viscosity silicones to manufacture small components with a batch weight of up to approximately 150 grams and continually monitors a variable mixing ratio.

All systems of the SILCO-MIX series work without flushing agents.

Special Features

  • Pneumatic, Hydraulic or Pneumatic/ Hydraulic Hybrid driven
  • Fixed mixing ratio of 1:1
  • Viscosities up to 4,000,000 cps  / 30 – 90 Shore
  • Output up to 2.5 liters per minute, depending on viscosity
  • Exact metering accuracy
  • Material level controls
  • Simple operation
  • Low maintenance
  • Precise color injection 0.2 – 5 % in dependence of the output flow rate