WENZHOU BOJING PLASTIC MOULD CO., LTD.
WENZHOU BOJING PLASTIC MOULD CO., LTD.

Low-pressure blown film air rings are vital components in the blown film extrusion process, specifically designed to provide gentle and controlled cooling to the extruded polymer bubble. Unlike high-pressure air rings, which focus on rapid cooling for high-speed production, low-pressure air rings are tailored for applications where precision and film quality are paramount.


Types of Low-Pressure Blown Film Extrusion Air Ring

  • 700 Type Low-Pressure Dual Air Ourlets For Air 80-150

    700 Type Low-Pressure Dual Air Ourlets For Air 80-150

  • 800 Type Ordinary Low-Pressure Double Air Outlet 80-180

    800 Type Ordinary Low-Pressure Double Air Outlet 80-180

  • 800 Type High-Speed And Low-Pressure Three-Air Ducts For Wind 80-180

    800 Type High-Speed And Low-Pressure Three-Air Ducts For Wind 80-180

What Is a Low-Pressure Blown Film Extrusion Air Ring Used For?

The air ring is the equipment for cooling and shaping of the blowing film bubbles.We now basically use double wind mouth air ring, low pressure wind ring is specially used for hdpe die head.
  1. The air ring is the equipment for cooling and shaping of the blowing film bubbles.

  2. We now basically use double wind mouth air ring, low pressure wind ring is specially used for hdpe die head.

Advantages of Low-Pressure Blown Film Air Ring

The advantages of our wind air coolingring are:
  1. Rapid cooling at constant speed.

  2. Improve production capacity, uniform thickness.

  3. The size of the blow ratio is applicable.

  4. Bubble wireless bar, no crystal point, good brightness.

  5. Suitable for all kinds of thick film, film and all kinds of HDPE/LDPE/LLDPE raw materials.

Key Considerations for Low-Pressure Blown Film Air Ring

Durability: Choose blown film air rings made from durable materials such as aluminum, stainless steel, or high-strength plastics. These materials should withstand the operational stresses and provide long service life.

Thermal Conductivity: Materials with good thermal conductivity can enhance the cooling efficiency of the air cooling ring, leading to better film quality.

Modular Design: Consider dual lip air rings with a modular design, which allows for easy replacement and customization of individual components. This flexibility can be beneficial for adapting to different production requirements.

Film Type: Consider the type of film being produced. Low-pressure air rings are particularly suitable for air ring blown films that require high clarity, uniform thickness, and excellent surface finish.

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