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Ventilation duct - List of Manufacturers, Suppliers, Companies and Products

Ventilation duct Product List

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"Regulatory Guidelines for Ducts and Exterior Wall Penetrations" <Kitchen Exhaust and Ventilation>

Explanation of relevant laws, regulations, and ordinances regarding ventilation and exhaust ducts for houses and apartments, using diagrams! Introduction of our products that comply with regulatory standards.

The "Law to Partially Amend the Building Standards Act," which came into effect in June 2019, aims to encourage the replacement of buildings and houses with high fire prevention performance, and the building coverage ratio for "fire-resistant and quasi-fire-resistant buildings" in quasi-fire prevention areas has been relaxed by 10%. In light of the above Building Standards Act and recent amendments to the Fire Service Act, it is required to select products that comply with various regulations when choosing ventilation and exhaust ducts. This document provides a detailed explanation of various regulatory frameworks with illustrations, which can assist housing manufacturers and construction companies in making correct product selections. 【Regulatory Guide Table of Contents】 ◆ Ventilation Duct Wall Penetration ◆ Kitchen Exhaust Duct ◆ Fire Compartment Wall Penetration ◆ Ministerial Ordinance Quasi-Fire-Resistant / Ventilation Duct ◆ Company Overview * The "Regulatory Guide for Ducts and Wall Penetrations" can be viewed via the "PDF Download" link below.

  • air conditioning
  • Ventilation and Exhaust
  • Piping Materials

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Duct series that is difficult to leak air.

The leakage air volume is almost "zero" for the positive pressure duct "Non-Leak Duct" and for the negative pressure duct "Pita Joint Duct" used in high-pressure ventilation systems such as long-distance shields.

■Non-Leak Duct (for Positive Pressure) ●Non-Leak Duct (Packing Type) (Patent Application No. 2015-38261) Measured value φ2500 at 8kPa with a maximum leakage rate of 0.1m³/min (per one fastening connection point) Available in standard length of 10m for φ800 to φ2500 ●Small Diameter Non-Leak Duct (Patent No. 4917069) This is a duct for positive pressure. Air leakage is almost zero. With a leakage rate of 1/3700 compared to conventional ducts, it is an excellent air duct for long-distance small cross-section shield and tunnel ventilation. Available in standard length of 10m for φ300 to φ700 ■Pita Joint Duct (for Negative Pressure) This is a duct for negative pressure. Air leakage is almost zero even at -80kPa. With low friction resistance and excellent long-distance air delivery characteristics, it allows for significant energy savings and enables the use of a smaller blower. Compared to conventional steel pipes, the outer diameter of the joint section is smaller, allowing for space-saving installation. It offers excellent cost performance for methane gas exhaust, long-distance shields, small cross-section tunnel mechanical excavation, TBM, etc.

  • Ventilation and Exhaust

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COMBIDEC2300

This is a product for general air conditioning and a 24-hour ventilation system.

This is a highly durable product with a six-layer structure that includes a PVC coating, providing high flexibility and stretchability, as well as improved shape stability and strength. [Non-combustible material, Minister of Land, Infrastructure, Transport and Tourism certification NM-1785]

  • others

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