Binks

Gemini II Double Diaphragm Pump, 1" Aluminum, Bare Pump

Item #
41-818820
Request For Quote
Gemini II Double Diaphragm Pump, 1" Aluminum, Bare Pump

Request For Quote


The Binks Gemini II Double Diaphragm Diaphragm Pumps are ideal for a variety of materials and viscosities. Gemini II Double Diaphragm pumps can be used in applications including Wood, General Metal Fabrication, and Adhesives. The Gemini II Double Diaphragm 1/2″ acetal short stroke pump is ideal for a wide variety of spray applications.  This pump is capable of 27% more fluid delivery per stroke compared to the Gemini I pump series. It also has lower pulsation compared to the competition and the Gemini I pump series.

Gemini II Double Diaphragm Pump Packages

  • Gemini II Double Diaphragm Pail Mount Package:
    • Reliable and affordable pump package ideal for spray applications such as Conventional, HVLP and TransTech.
  • Gemini II Double Diaphragm Drum Mount Packages:
    • Accessory options include:  Pump, Air Control, Bypass Filter/Pulse Assembly, Agitator, Siphon, and Fluid Regulator.
  • Gemini II Double Diaphragm Wall Mount Package:
    • Accessory options include: Pump, Air Control, Bypass Filter/Pulse Assembly, Agitator, Siphon, and Fluid Regulator

1/2″ Acetal and Stainless Pump

The Gemini II Double Diaphragm 1/2″ pump is available in either conductive acetal body or stainless steel (41-818830 shown) and is ideal for a variety of waterborne and solvent based coatings including adhesives, catalyzed varnishes, paints, resins, stains and solvents with 33% more delivery per cycle than previous models.

1″ Aluminum and Stainless Pump

The Gemini II Double Diaphragm 1″  is available in either aluminum or stainless steel (41-818820 shown)  is ideal for a variety of waterborne and solvent based coatings including adhesives, catalyzed varnishes, paints, resins, stains and solvents with 38% more delivery per cycle than previous models.

1-1/2″ Stainless Pump

The Gemini II Double Diaphragm 1-1/2″ stainless steel pump is ideal for a variety of waterborne and solvent based coatings including adhesives, catalyzed varnishes, paints, resins, stains and solvents with 28% more delivery per cycle than previous models.

Important Documents

More Information
Manufacturer Binks
Type Diaphragm Pump
Model Gemini II
Setup Bare
Air Inlet Pressure 0-125 PSI
Air Inlet Size 1/2" NPT
Pump 1" Aluminum Pump
Max Fluid Pressure 125 PSI (8.6 bar)
Fluid Inlet Connection 1" NPT
Fluid Outlet Connection 1" NPT
Max Suction Lift 17ft (5.1m)
Max Particle Size .25" (6mm)
Max Temp Limit 220F (104C)
Max Flow Rate 45 gpm (170 lpm)
Flow at 60 Cycles Per Minute 13.2 gal (150 liters)
Cycles Per Gallon 4.5
Displacement Per Cycle .22 gpm (.84 lpm)
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