How to choose polypropylene air ducts for an enterprise

Publication date: February 18, 2025

Modern enterprises need reliable and functional ventilation systems for their premises. They seek to optimize old air exchange structures or build new ones, choosing materials that meet the requirements of durability, resistance to aggressive environments and economic feasibility. One of the best solutions for ensuring high-quality air exchange are polypropylene air ducts. The popularity of these products is explained by their unique characteristics – light weight and durability, resistance to chemicals, ease of installation, environmental safety, and low thermal conductivity. In this article, we will consider in more detail all the advantages of polypropylene air ducts, how to choose them correctly and what installation rules should be taken into account for the efficient operation of the system.

Spheres and advantages of use

Polypropylene ventilation is actively used in various industries due to its chemical resistance, durability and ease of installation. Main areas of application:

  • Chemical industry. Products are used to remove aggressive vapors and gases.
  • Food industry. Polypropylene systems are used to ensure sanitary standards and transport air without pollution.
  • Pharmaceutical industry. PP air ducts are ideal for maintaining sterile conditions and preventing air pollution.
  • Electronics and semiconductors. Such structures are used to control air flows in production facilities with a high degree of cleanliness.
  • Treatment facilities. Polypropylene ventilation is used to remove corrosive gases.

Polypropylene air ducts have a number of significant advantages, due to which they are chosen for industrial facilities. Resistance to aggressive chemicals makes them ideal for use in conditions of exposure to acids, alkalis and salts. The material is much lighter than metal, which simplifies transportation and installation. High resistance to corrosion and mechanical damage ensures a long service life. Polypropylene does not emit toxic substances, which is important for production related to food or medicine. Such air exhaust elements reduce the noise level in ventilation systems. The smooth inner surface of polypropylene air ducts prevents the accumulation of contaminants and facilitates cleaning. PP air ducts are not subject to corrosion, retain their properties when exposed to high temperatures and ultraviolet radiation. 

How to choose polypropylene air ducts

The types and configurations of polypropylene air ducts may vary depending on the specific ventilation system and its requirements. Polypropylene air ducts are usually round and can be either flexible or rigid. Flexible polypropylene air ducts are easy to install and are usually used in hard-to-reach places, such as suspended ceilings. Rigid polypropylene air ducts can have different sections (round, rectangular, etc.) and are used in more linear ventilation systems. Before buying polypropylene air ducts, it is important to consider several key parameters:

  • Purpose and operating conditions. Determine what substances will be transported through the duct. For aggressive environments, it is recommended to use air ducts made of special chemically resistant polypropylene.
  • Diameter and shape. The choice depends on the volume of air being moved and the architectural features of the room. A round polypropylene air duct is better suited for large air flows, while rectangular models are more convenient in confined spaces.
  • Wall thickness. For standard conditions, standard thickness is sufficient, but at high temperatures or pressure, you should choose air ducts with reinforced walls.
  • Quality certificates. Make sure that the products meet the requirements of GOST and other regulatory documents.

You can order polypropylene air ducts of individual sizes from KRAFT. The production of plastic air ducts, as well as the production of plastic containers of various configurations, is one of the main areas of our activity. You can order a turnkey ventilation system from us, which includes design, manufacture, delivery and installation.

The advantages of buying a polypropylene air duct from a manufacturer in Ukraine include:

  • Cost-effective prices due to lower production costs.
  • Faster delivery times compared to imports from other countries.
  • Local customer support and service for any questions that arise.
  • High-quality products manufactured in accordance with Ukrainian standards and regulations.
  • Support for the local economy and industry by choosing a Ukrainian manufacturer.

Contact the KRAFT manager to learn more.

Installation requirements

To ensure the reliability and efficiency of polypropylene air ducts, it is necessary to take into account a number of requirements when installing them:

  1. System design. Before installation, a project should be developed taking into account all the features of the facility and its ventilation needs.
  2. Preparation for installation. Before starting work, make sure that all components of the ventilation system comply with the project. Check the tightness and quality of connections.
  3. Fastening. Air ducts must be securely fastened using special fasteners that prevent vibrations and mechanical damage. Brackets, hangers or clamps are used for fixing. It is recommended to observe the fastening intervals specified in the technical documentation.
  4. Sealing of joints. Polypropylene air ducts are connected by welding, flanges or special couplings. Welding provides the greatest tightness.
  5. Thermal compensation. Polypropylene is subject to thermal expansion, so the system design must provide for compensation gaps or elements.
  6. Insulation and protection. In some cases, additional thermal or sound insulation is required. When installing outdoors, it is important to protect the system from ultraviolet radiation.
  7. Compliance with standards. Installation must be carried out in accordance with current regulations and standards for ventilation systems.
  8. Post-installation check. After installation, it is necessary to check the system for leaks, reliability of fastenings and compliance with the project.

Polypropylene air ducts are a modern and effective solution for enterprise ventilation systems. Their use ensures reliable and durable operation in conditions of exposure to aggressive environments, and also meets modern requirements for environmental and industrial safety. The correct selection and installation of such systems allows you to minimize operating costs and increase the overall efficiency of the enterprise.

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