The Samoa ¼” AODD Pump (DC20, Conductive Acetal-PTFE-PTFE) is a robust and efficient air-operated double diaphragm pump designed for precise fluid transfer in applications requiring lower flow rates. Its design and material construction make it particularly suitable for handling aggressive and corrosive fluids, including solvents and inks.

Key Features:

1. Material Construction:

   • Pump Body: Conductive Acetal, ensuring excellent mechanical strength and chemical resistance, especially for electrostatic-sensitive applications.
   • Diaphragms and Seals: Made from PTFE (Polytetrafluoroethylene), providing exceptional chemical resistance and durability in harsh conditions.
   • Air Motor Components: Polypropylene used for the air chamber covers and directional air valve, offering durability and corrosion resistance.

2. Applications:

   • Designed for a wide range of fluid handling tasks, including:
     • Dosing
     • Transporting
     • Spraying
   • Suitable for solvents such as:
     • Ketones
     • Acetates
     • Aldehydes
     • Aromatic hydrocarbons
     • Chlorinated hydrocarbons
   • Ideal for solvent-based and water-based inks, including gravure and flexo inks, used in printing applications.

3. Flow Control:

   • Capable of finer flow adjustments through regulating air pressure.
   • Features an unbalanced spool valve air motor, which requires lower start-up pressure for smoother operation.

4. Chemical Compatibility:

   • Handles a wide range of aggressive and corrosive fluids effectively.
   • The wetted parts are designed for use in corrosive situations and are compatible with some of the most challenging fluids.

5. ATEX Certification:

   • Fully ATEX certified (Ex II2 GD IIB/IIC 95 °C), ensuring safe operation in potentially explosive environments.
   • Groundable design ensures additional safety in hazardous settings.

6. Durability and Efficiency:

   • High reliability and long service life due to its robust materials and engineering.
   • The pump operates with low air consumption, enhancing energy efficiency.

Advantages:

• Versatile Fluid Compatibility: Handles a variety of aggressive solvents and inks, making it suitable for industries such as printing, chemicals, and coatings.
• Safety: ATEX-certified for use in explosive environments, ensuring compliance with safety standards.
• Chemical Resistance: PTFE and conductive acetal materials provide outstanding resistance to harsh chemicals and corrosive fluids.
• Precision Flow Control: Features a design that allows for fine adjustments in flow, crucial for dosing and transferring specific quantities of fluid.
• Ease of Operation: The unbalanced spool valve air motor provides a reliable, low-pressure start-up for smooth operation.

This pump is well-suited for industries like printing, coatings, and chemical processing, where handling volatile and corrosive fluids safely and efficiently is critical. Its ATEX certification and versatile chemical compatibility make it a reliable choice for a wide range of demanding applications.