2. Commonly used dimensions (for use with fans)

Size can be customized according to customer needs.

3. Automatic opening and closing type (pneumatic/air-driven) specifications

4. Specifications of honeycomb air inlet windows

Key Structural Design Features

Angled Blade Design: Blade angles typically range from 15° to 45°, effectively preventing rain ingress while ensuring unimpeded airflow; the adjustable-angle design allows for adaptation to diverse environmental requirements.

Fiberglass Crossbar Fixing: Facilitates easy assembly and disassembly, resulting in a robust and durable structure.

Modular Installation: The segmented design simplifies maintenance and component replacement, while integrated sealing strips ensure watertight joints.

Honeycomb Grille Design (Select Models):An advanced honeycomb-patterned intake grille optimizes airflow, effectively filters out impurities, and prevents water splash-back.

Multi-Layer Protection: An outer PVC grille is paired with an inner insect screen (available in stainless steel or nylon) to block debris while preventing insect entry.

Quick-Release Structure: Features hinged or latch-based mechanisms for convenient cleaning; for high-rise installations, a dedicated access channel for maintenance should be provided.

Performance Specifications

Density:Approx. 1.426 g/cm³ (in accordance with ASTM D792-13)

Oxygen Index:Approx. 34.50% (in accordance with ASTM D2863-13), indicating excellent flame-retardant properties.

Tear Strength:Approx. 111 N in the X-direction; approx. 121 N in the Y-direction (in accordance with ASTM D1004-13)

Tensile Strength: Approx. 51.1 MPa in the X-direction; approx. 45.3 MPa in the Y-direction (in accordance with ASTM D882-12)

Elongation at Break:Approx. 87% in the X-direction; approx. 56% in the Y-direction

Wind Pressure Resistance: Capable of passing GB/T standards 7106 Standard Testing: Capable of withstanding wind pressure of ≥1.5 kPa in typhoon-prone regions.

Effective Ventilation Area: Typically accounts for 60%–70% of the total area.

Installation and Maintenance

Installation Guidelines:

Prior to installation, accurately measure the window opening and ensure adequate clearance is reserved.

Fixing clips should be positioned 150–200 mm from the corners of the door or window frame, with a maximum spacing of 600 mm between clips.

During installation, pre-drill holes before driving in self-tapping screws; direct hammering of fasteners is strictly prohibited.

Ensure the door and window frames are plumb and square; verify that the sealing strips (EPDM) provide a watertight seal at all joints.

Adjustable louvers allow for control over blade opening angles, enabling regulation of airflow volume.

Large-scale louvers can be installed using a modular, sectioned approach to facilitate easier transportation and construction.

Maintenance Recommendations:

Regular Inspection: Clean surface dirt and check for any cracks or deformation. Anti-freeze Measures: In cold climates, utilize low-temperature-resistant modified PVC or incorporate an insulation layer to prevent brittle fracture at low temperatures (specialized formulations are required for temperatures below -30°C).

Replacement Cycle: Typically 5–10 years (depending on environmental conditions); replace aging units promptly to mitigate the risk of structural failure.

Enhanced Weather Resistance: Opt for UV-resistant ASA or polyester coatings to extend the service life to over 10 years.

PVC louvers are widely utilized in various settings, including factory workshops, garages, equipment rooms, and livestock farms. Compared to traditional metal or wooden louvers, PVC louvers have emerged as a premier choice in the field of modern industrial ventilation, distinguished by their exceptional corrosion resistance, lightweight design, and superior insulation properties.

Product Features:

1. Superior Corrosion Resistance

PVC material exhibits excellent resistance to moisture and chemical substances—such as corrosion inhibitors and biocides—commonly found in industrial environments, making it ideal for use in high-humidity or corrosive settings. Even after prolonged exposure to oil stains or mild acidic and alkaline mists, the material remains free from issues such as rusting or paint peeling.

2. Lightweight and Durable

The product is lightweight, facilitating easy transportation and installation while simultaneously reducing structural load requirements. Furthermore, it possesses excellent mechanical strength and impact resistance, ensuring it remains resistant to deformation and cracking.

3. Waterproof and Moisture-Proof

PVC material is non-absorbent; it does not absorb water and therefore remains free from moisture damage, mold growth, or deformation in humid environments. This makes it particularly suitable for use in workshops located in regions with heavy rainy seasons (such as the southern "Plum Rain" season) or those situated near water sources.

4. UV Resistance

Constructed from UV-resistant PVC material, the product boasts strong weatherability. It resists embrittlement and degradation caused by prolonged sun exposure, thereby extending its overall service life.

5. Electrical Insulation and Safety

As an electrically insulating material, PVC does not conduct electricity. This makes it highly suitable for use in workshop environments densely populated with electrical equipment, effectively eliminating the electrical safety hazards potentially associated with metal louvers.

6. Fire Resistance

The product features inherent fire-resistant properties. Flame retardants can be added to the material to meet specific environmental fire safety standards, allowing the product to achieve the required fire-resistance rating.

7. Eco-Friendly and Recyclable

The product is non-toxic, environmentally friendly, and fully recyclable, aligning perfectly with the principles of green industrial practices.

8. Easy to Clean and Maintain

The surface of the louver blades is smooth, allowing for easy daily cleaning. Routine maintenance can be performed simply by rinsing with a high-pressure water sprayer or wiping down with a damp cloth.