Piston Filling Machine

Application:

This type of piston filler is best suited for viscous products that are paste, semi paste, or chunky with large particlates. These piston fillers are built to meet food grade standards and can also handle various chemical applications.

Examples:

Heavy sauces, salsas, salad dressings, cosmetic creams, heavy shampoo, gels, and conditioners, paste cleaners and waxes, adhesives, heavy oils and lubricants.

Advantages:

This lower cost conventional technology is easy to understand for most users. Fast fill rates are achievable with fairly thick products. Warning: this technology is nearly obsolete with the advent of servo positive displacement fillers.

When it comes to reliable, repeatable, and accurate volumetric piston fillers that are versatile, highly flexible, easy to install and use, NPACK is the number one manufacturer. With numerous liquid packaging solutions that suit any production environment ideally, our piston fillers are simple yet immensely effective.

Designed to provide maximum efficiency and easy maintenance, NPACK relies on intuitive engineering, affordability, versatility, and effectiveness when providing the highest quality piston filling machines for liquid packaging systems.

Check Valve Piston Filling Machines

A check valve piston filler works on a check valve principle that opens the infeed valve on the draw stroke then forces the draw side check valve closed while opening the discharge valve on the dispense stroke as can be seen clearly by the animation to the right.

The big advantage of a check valve filling system is it can self prime and draw product directly from a drum or other container without need for pumping or otherwise transferring product to another vessle. Simply drop the hose into the drum, adjust the fill volume and start filling product with excellent accuracy of +/- one half percent.

Check valve piston fillers work well with most any free flowing liquid (meaning it pours easily), but does not work well on thicker products or products with particulates in them as they can foul the valves.

Check valve piston filling machines are available as tabletop models, inline systems or rotary high speed models. Please give us a call so we can review your application.

Rotary Valve Piston Filler

Rotary valve piston filling machines can do all of the “hard” jobs like filling pastes and products with particulates such as cottage cheese, potato salads, peanut butter, salsas and many other chunky products.

The concept is actually rather simple in that the hopper flood feeds the rotary valve which connects between the hopper and cylinder on the draw stroke and then flips ninty degrees between the cylinder and discharge tube on the dispense stroke, as can be seen in the animation on the right. Because the rotary valve can be hollowed out, large particles of up to one half inch (sometimes larger) can pass through without damage.

Rotary valve piston filling systems are available as benchtop, automatic inline, and rotary high speed systems and can be sized for your range of filling needs up to a 10:1 ratio and maintain its amazing +/- one half percent accuracy.

FEATURES & BENEFITS

  • Volumetric system
  • Dedicated air cylinder
  • Compact footprint
  • Applicable across a variety of industries
  • Suited for foamy, thick, chunky, water-thin and viscous products and liquids
  • Durable
  • High compatibility
  • Versatile
  • Automated
  • Custom manufactured to suit customer’s requirements and applications
  • Individually actuated
  • High level of personalization
  • Quick changeover
  • Easy cleanout
  • Easy to use
  • Top-quality

NPACK VOLUMETRIC FILLING MACHINES

Modern times require modern solutions, so NPACK stepped up our game by designing a flexible and automated piston filling machine to match the customer’s needs on-demand. More importantly, these piston fillers are aimed at meeting the needs of various industries.

With a wide range of high-quality products, customers can count on maximum compatibility, durability, and flexibility. These machines are designed to make your production line efficient.

Find your solution today!

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