Smoke Vents Manufacturer | Fire Smoke Ventilation System

Manufacturer of Smoke Vents

Shandong Wanneng Group is a trusted manufacturer of high-quality smoke vents, serving industrial and commercial clients across China and beyond. Based in Luquantun Industrial Park, Dezhou City, our company combines advanced production equipment with strict quality control to deliver reliable fire safety solutions. Whether you're planning a large-scale construction project or upgrading an existing facility, we provide customized smoke vent systems designed to enhance building safety, meet regulatory standards, and support efficient emergency ventilation.

Why Choose Us?

State-of-the-Art Manufacturing Facility

Shandong Wanneng Group operates with a strong foundation, boasting a registered capital of 78 million yuan. With over 800 dedicated employees, including 296 skilled technicians and 35 senior engineers, we ensure expert supervision at every stage of production. Our facilities cover a vast 270,000 square meters, including 150,000 square meters of advanced workshops – all built to support large-scale, high-precision manufacturing.

Advanced Equipment and Technology

Our facility features a wide range of advanced equipment, enabling us to meet diverse client needs across industries. We operate three refrigeration unit production lines, five fan coil production lines, two machine tool production lines, two aluminum alloy lines, and five BZ-A exterior wall insulation production lines. Backed by over 80 large-scale machines, we ensure consistent product quality and efficient output across all departments.

Certified Quality You Can Trust

Quality and compliance are at the heart of everything we do. Shandong Wanneng Group has proudly achieved ISO 9001:2000 certification for quality management systems and ISO 14000 certification for environmental management. These credentials reflect our strict adherence to global standards and our dedication to environmental responsibility.

High Production Capacity

Our production capacity is equally impressive. Annually, we manufacture up to 150,000 sets of air conditioning terminal units, including fresh air units, air conditioners, and fan coils. We also produce 50,000 sets of ventilation equipment, 2,800 sets of refrigeration systems, and over 1 million square meters of exterior wall insulation. Additionally, our operations yield 2,200 tons of aluminum alloy profiles, 6,000 tons of cable trays and high-speed guardrails, 1,500 sets of precision machine tools, and 200,000 square meters of ventilation ducts.

Automatic Smoke Vent

Benefits of Smoke Vents

Enhancing Visibility

In the event of a fire, smoke-filled rooms and hallways can drastically reduce visibility, making it harder for people to find exits. Smoke vents work by clearing out the smoke, significantly improving visibility and helping occupants evacuate faster and more safely.

Facilitating Firefighting

By removing the dense layer of smoke, smoke vents give firefighters clearer access to the building. This improved visibility helps them locate the fire more quickly and enhances their ability to respond effectively during emergencies.

Reducing Heat and Preventing Flashover

Flashover is a dangerous phenomenon where all exposed combustible materials in a room ignite nearly at once. Smoke vents help release hot gases and smoke, lowering the overall temperature and delaying or even preventing flashover, which can save lives.

Protecting the Building’s Structure

Extreme heat and trapped gases during a fire can severely damage a building’s structure. Smoke vents reduce this risk by releasing heat and pressure, helping preserve the building’s integrity and minimizing long-term damage.

Types of Smoke Vents

Louver Type Smoke Vent

Louver-type smoke vents offer a perfect blend of style and function. Designed to open automatically during a fire, they allow smoke to escape and keep evacuation paths clear. Their modern, streamlined design enhances the building’s look while ensuring reliable smoke control during emergencies.

Door Type Smoke Vent

Door-type smoke vents are a highly effective and dependable fire safety solution. They open automatically in the event of a fire, helping smoke exit quickly. This keeps escape routes accessible and improves visibility for firefighters during rescue operations.

Automatic Smoke Vents

Activated by smoke detectors or heat sensors, these vents open automatically when a fire is detected. Ideal for commercial and industrial spaces, they are designed to quickly clear large areas of smoke, improving safety and response time.

Manual Smoke Vents

Manual smoke vents are operated by hand and offer a straightforward solution for smoke release. They’re best suited for smaller buildings or specific areas where automatic systems are not necessary or practical.

Application of Smoke Vents

Atriums

Smoke vents are commonly installed in atriums to release smoke and heat that rise to the upper levels of the building during a fire, improving safety and visibility.

Stairwells

In stairwells, smoke vents prevent smoke buildup, keeping escape routes clear and enabling safe evacuation for occupants during emergencies.

Elevator shafts

Smoke vents in elevator shafts stop smoke and heat from entering the shaft, helping to prevent the spread of fire and smoke between floors.

Mechanical rooms

Installed in mechanical rooms, these vents help expel heat and smoke from equipment, protecting both the machinery and the structural integrity of the building.

Specifications

Model	Inches (mm)	lbs. (kg.)
SVG2424	24 x 24 (610 x 610)	125 (56.8)
SVG2436	24 x 36 (610 x 914)	135 (61.4)
SVG3030	30 x 30 (762 x 762)	140 (63.5)
SVG3036	30 x 36 (762 x 914)	155 (70.5)
SVG3096	30 x 96 (762 x 2438)	387 (175.5)
SVG3636	36 x 36 (914 x 914)	170 (77.3)
SVG4848	48 x 48 (1219 x 1219)	221 (100.2)

Packaging & Delivery

Package Size
250.00cm * 220.00cm * 250.00cm
Package Gross Weight
500.000kg
Lead Time
20 days or according to order requirements
(1 - 100 Square Meters)
To be negotiated ( > 100 Square Meters)

FAQs

What are smoke vents?

Smoke vents, also called smoke ventilators, are systems designed to release hot smoke and gases from a building during a fire. By reducing the spread of heat and smoke, they help minimize structural damage and create safer evacuation conditions for occupants and better visibility for firefighters.

How often should smoke vents be tested?

To ensure long-term reliability, smoke vent systems require regular maintenance. All components, including fire alarms, should be tested. We recommend testing your smoke vents annually or biannually to comply with safety regulations and keep the system in working condition.

How are smoke vents activated?

Basic smoke vents are openings like windows or skylights that allow smoke and heat to escape. Advanced AOVs (Automatic Opening Vents) are triggered by sensors that detect fire or smoke. Once activated, they automatically open to release smoke through the roof or other exits.

What is the difference between AOV and manual smoke vents?

AOVs open automatically during a fire, while manual vents need to be operated by hand. AOVs are ideal for larger or high-risk buildings.

What is the purpose of a smoke vent in a building?

Smoke vents help release heat and smoke during a fire, improving visibility and reducing damage while ensuring safe evacuation routes.

As one of the leading smoke vents manufacturers and suppliers in China, we warmly welcome you to wholesale cheap smoke vents from our factory. All customized products are with high quality and low price. Contact us for quotation.

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