Pressure/Piston Fillers

A pressure piston filler uses an air-powered piston to draw liquid from a reservoir and push it into containers. The piston controls the fill volume precisely, giving consistent portions while minimizing splashing, foaming, or product damage. It works well with both thin liquids and thicker, high-viscosity products.

These fillers are accurate, reliable, and versatile. They handle a wide range of viscosities, reduce overfill and waste, and allow easy adjustment for different container sizes and production speeds. Their gentle action is ideal for shear-sensitive liquids.

You’ll find them in food and beverage, cosmetics, pharmaceutical, and chemical production. They excel with medium to high viscosity liquids like sauces, gels, creams, oils, and lotions, ensuring consistent fills for every container.

Fill accuracy comes from the piston stroke and regulated air pressure. When properly set up, they deliver repeatable results with minimal variation, making them dependable for high-quality production lines.

Mount the filler on a stable surface with a regulated pressure source. Ensure the reservoir maintains steady pressure, air lines are clean, and valves and nozzles are compatible with the product. Leave enough space for maintenance and easy access to all components.

Routine care includes cleaning pistons, valves, and nozzles, checking seals and O-rings for wear, keeping air lines dry, and lubricating moving parts. Regular maintenance keeps the system reliable and extends its service life.

Consider your product’s viscosity, target fill volume, and production speed. Check wetted materials, sealing systems, and how the machine integrates with your existing line. Ease of cleaning and changeover is also important for efficient operation.

These fillers combine precision, flexibility, and gentle handling. They outperform gravity fillers with thicker liquids and require less maintenance than pump-style systems, making them ideal for consistent, reliable production.