ABOUT US

SAO VIET AIR DUCT

INTRODUCTION ABOUT SAO VIET AIR DUCT TRADING & MANUFACTURING CO., LTD

Dear Partners and Customers,

SAO VIET AIR DUCT MANUFACTURING AND TRADING COMPANY LIMITED (OGSV) We would like to send our greetings and sincere thanks to our customers and partners who have trusted and accompanied us over the past time.

With many years of experience in the field of manufacturing air ducts and ventilation accessories, OGSV is proud to be a reputable supplier of materials for contractors of fire protection systems (PCCC) and air conditioning (HVAC). Our products are widely used in central air conditioning systems, ventilation, smoke extraction in corridors, pressurization of stairs, basements... in high-rise buildings, commercial centers, industrial factories in Hai Phong, Quang Ninh, Hai Duong and the northern provinces.

With a team of skilled technicians, dedicated working spirit and constant innovation, OGSV increasingly affirms its position in the duct industry and receives high trust from many investors, general contractors and construction partners.

We aim to build the OGSV brand to become a symbol of:

• Superior quality
• High aesthetics
• Maximum operating safety

OGSV is committed to providing customers with products of the highest standards, along with dedicated consulting and after-sales services, meeting all requirements of projects from civil to industrial.

With the motto "Building trust with quality", OGSV wishes to become a reliable companion of customers in the journey of creating sustainable and proud works.

Best regards,
Pham Quang Viet
Director - Sao Viet Air Duct Trading & Manufacturing Co., Ltd.

Sao Viet Air Duct Manufacturing Equipment

The equipment is an important part of the closed chain of Sao Viet Duct Trading and Manufacturing Company Limited.
contribute to improving production capacity and product quality
meet the strict requirements of modern industrial projects

CRANE SYSTEM

Function

• Cranes are installed in the factory to lift and move raw steel coils and semi-finished products safely and quickly.

• Ensure continuity in production and minimize manual labor.

Specifications

• Lifting capacity: 6.25 tons.

• Lifting height: suitable for workshop space, ensuring lifting of large diameter steel coils.

• Operation type: electric chain hoist, moving along the shaft beam.

• Safety system: brake, heavy-duty hook, standard chain, warning horn.

Advantage

• Fast, safe and precise lifting and lowering, minimizing risks for operators.

• Capable of continuous production with steel coils weighing 3 – 5 tons/roll.

• Helps optimize workshop space, easily supplying raw materials to cutting machines - stamping machines - duct machines.

Role in production

• Crane is the key equipment in receiving input materials (Hoa Sen and Hoa Phat steel coils).

• Ensure the process of lifting - lowering - transferring steel coils to the production machine quickly and synchronously.

• Contributes to increased productivity, reduced waiting time and increased equipment life thanks to stable material feeding.

With a 6.25 ton crane system, OGSV demonstrates its industrial-scale production capacity, ready to meet large projects requiring continuous and stable volumes of ductwork and accessories.

ALC SQUARE PIPE PRODUCTION LINE

Function:

• Automate the entire square duct production process from coil → cutting → seaming → flange making → product finishing.

• Ensures high speed, accuracy and synchronization.

Main specifications:

• Model: Auto Duct Line V (ACL – China).

• Processing thickness: 0.5 – 1.2 mm (galvanized iron, stainless steel).

• Sheet metal width: ≤ 1250 mm.

• Maximum running speed: 16 – 18 m/min.

• Cutting error: ± 0.5 mm.

• Integration: hydraulic cutting, stiffener stamping, flange forming, Pittsburgh seaming, seamless cutting and folding.

• Control: CNC system with touch screen, automatic programming according to duct size.

Production capacity:

• Mass production of square and rectangular air ducts with high precision.

• Average capacity is 2,000 - 2,500 m² of corrugated iron/day, quickly meeting the progress of large projects.

• Products are produced in a synchronized manner, minimizing manual labor, ensuring aesthetics and airtightness according to international standards.

Outstanding advantages:

• High automation → reduce labor costs.

• High productivity → meets the progress of high-rise buildings and industrial factories.

• High precision and consistency → increases Sao Viet Duct brand reputation in FDI projects and electromechanical general contractors.

CNC LASER CUTTING MACHINE

Specifications

• Model: CNC Laser Cutting Machine (Modern Fiber Laser technology).

• Cutting materials: Z080 galvanized steel, carbon steel, stainless steel, aluminum.

• Cutting thickness: Up to 12mm (depending on material).

• Accuracy: ±0.1mm.

• Cutting table size: 1500 x 3000 mm.

• Laser source power: 1000–2000W.

Outstanding advantages

1. High precision – Smooth, sharp cuts
Sharp, no burrs, meeting technical and aesthetic requirements of high-end projects.

2. Superior speed – Cuts many times faster than traditional cutting methods, shortening processing time.

3. Processing complex details – Cutting patterns, grooves, small details while still ensuring durability and accuracy.

4. Material saving – Laser technology helps optimize cutting lines, reduce loss, and save production costs.

5. Meet mass production requirements – Suitable for large-scale project orders with urgent progress requirements.

Applications in duct manufacturing

• Processing elbows, tees, valves, and air vents with high precision.

• Cut flanges, covers, and accessories quickly and accurately.

• Especially suitable for HVAC & Fire Protection systems in high-rise and medium-rise buildings
commercial centers, industrial factories.

CNC Laser Cutting Machine is the highlight of OGSV's production capacity, affirming the thorough investment and commitment to providing quality products - accurate - on schedule for all projects.

DC WELDING MACHINE

Specifications

• Welding technology: DC electrode short circuit welding.

• Welding materials: Galvanized iron, steel, stainless steel.

• Material thickness: 0.4 – 2.0 mm.

• Control: Automatic, precise adjustment of current and welding time.

• Operating capacity: 50 – 75 KVA.

Outstanding advantages

1. Durable weld – Even, strong weld, ensuring tightness, meeting fire prevention and HVAC standards.

2. Fast welding speed – Shorten production time, increase productivity.

3. Cost saving – Using DC welding technology, consuming less electricity and welding materials.

4. Safe – stable – The machine has a precise current adjustment mode, reducing the risk of fire and explosion.

Applications in duct manufacturing

• Welding joints and stiffeners of square and round air ducts.

• Processing elbows, tees, tees, and air valves with aesthetic, high-durability weld lines.

• Meets the requirements of high-rise buildings, factories, and commercial centers.

DC welding machine helps OGSV optimize product quality, ensure durable welds, improve productivity and maintain reputation with customers in fire protection - HVAC projects.

SCREW AIR COMPRESSOR

Specifications

• Capacity: 15kW

• Working pressure: 16 bar (high pressure, stable).

• Function: Compress air, filter oil, and remove moisture.

• Application: Providing compressed air for laser cutting machines, welding machines, and pneumatic equipment in production.

Outstanding advantages

1. Stable pressure, high efficiency – Ensures a strong compressed air source for continuous equipment operation.

2. Maximum dehumidification – Keeps compressed air dry and clean, helping welding and cutting quality to be precise and stable.

3. Increase equipment durability – Reduce rust, corrosion and damage caused by moisture in compressed air.

4. Smooth operation – energy saving – Environmentally friendly and optimal production costs.

Role in duct manufacturing at OGSV

• Provides clean and dry compressed air to the laser cutting machine, helping to create smooth and sharp cutting lines.

• Supports the welding system to operate stably, ensuring beautiful and durable welds.

• Protect the life of the entire production line, reduce maintenance costs.

Screw air compressors are the “silent power source” behind the stability and precision in duct & accessories production at OGSV, contributing to improving quality and brand reputation.

LOCK FORMER AUTOMATIC ELEVATION PRODUCTION MACHINE

Optimal solution for manufacturing duct accessories

The Lock Former automatic elbow production machine is a specialized, modern equipment widely used in the industrial duct manufacturing industry. This equipment allows precise shaping of cone, elbow, and duct collar details - indispensable accessories in ventilation, air conditioning and air filtration systems.

Outstanding advantages:

• High automation: Reduce manual labor, improve productivity and product quality.

• High precision: Details are evenly shaped and precisely connected thanks to the intelligent forming mechanism.

• Integrated Lock Former technology: Helps to connect accessories firmly, airtight and easy to install.

• Stable operation: The device is durable, operates smoothly and has few breakdowns.
Application:

• Production of reducers, elbows, pipe collars, reducing joints...

• Suitable for galvanized iron, stainless steel, etc.

• Applied in duct manufacturing factories, HVAC mechanical workshops...

SOUND ANTI-ACCESSORY

During the process of manufacturing air ducts, especially the stage of inserting air duct edges with a pneumatic hammer, loud noises often arise, which can seriously affect the hearing of workers and the environment around the factory. To overcome this problem, Sao Viet Air Duct Manufacturing and Trading Company Limited (OGSV) has invested in building a specialized soundproof chamber.

Main effects:

• Minimize noise when using pneumatic hammers during bending, riveting, and edge of air ducts.

• Prevents sound from spreading to the common workshop space, helping to improve working conditions and sound environment.

• Hearing protection for direct operators and surrounding workers.

• Contribute to ensuring standards of occupational safety and health.

Chamber design:

• Walls and ceilings use soundproof galvanized iron material, combined with high-quality soundproof fiberglass.

• Flexible sliding door, convenient for transporting materials in/out.

• The interior space is equipped with a local air conditioning system, ensuring comfort and safety for workers.

The anechoic chamber is part of OGSV's commitment to a modern, humane and sustainable production environment, while demonstrating a serious investment in the human factor in the industrialization process of production.

CNC HYDRAULIC BENDING MACHINE 63 TON – WIDE 2500MM

CNC hydraulic press brake with 63 tons of pressing force and 2500mm working length is an indispensable equipment in the production line of air ducts, air doors and sheet mechanical products. Controlled by a modern CNC system, the machine provides high precision processing, fast speed, minimizes errors, and meets strict technical requirements.

Outstanding parameters:

• Shock force: 63 tons

• Working length: 2500 mm

• Control technology: CNC – pre-programmed bending angles and folding positions

• High precision: thanks to hydraulic control system and automatic shaft adjustment

• Sturdy, durable body design, suitable for continuous work in industrial environments

Applications in production:

• Pressing square air duct details, air vents, air valves...

• Processing galvanized iron, stainless steel, aluminum sheets with suitable thickness

• Mass production of HVAC accessories, ensuring uniformity and accuracy

Benefits:

• Increase productivity and product quality

• Reduce labor, shorten production time

• Limit technical errors thanks to automatic setting of bending angle and stroke

SPIRAL ROUND AIR DUCT MANUFACTURING MACHINE

The spiral round duct making machine is a specialized equipment in the duct production line at OGSV factory, playing a key role in manufacturing round ducts widely used in ventilation, smoke extraction, fresh air supply and industrial air conduction systems.

Specifications:

• Duct type: Spiral round duct.

• Thickness of processed material: 0.58mm ~ 0.75mm.

• Production pipe diameter: D100 ~ D800 mm.

• Materials used: Galvanized iron, stainless steel, aluminum sheet.

• Machining speed: High, stable and precise.

• Control system: Automatic, easy to operate and maintain.

Outstanding advantages:

• Produces products with high aesthetics, even and beautiful spiral welds.

• Solid structure, good airtightness, meeting high standards of HVAC system performance.

• Saves labor and significantly increases productivity compared to manual methods.

• Easily adjust pipe diameter to suit specific technical requirements.

The spiral duct manufacturing machine is a testament to OGSV's efforts in investing in technology, improving production capacity and providing high-quality duct products, serving civil and industrial projects nationwide.

VERTICAL SEAMLESSING MACHINE

Vertical shaft seaming machine is a specialized equipment used in the finishing stage of square duct joints. The equipment helps ensure tightness and firmness of the joints, while improving the quality of finished products and production efficiency.

Technical information:

• Main function: Vertical seaming for square duct (Rectangular Duct).

• Structure: Vertical shaft system has powerful drive motor, combined with automatic clamping system.

• Processing materials: Galvanized iron, stainless steel, aluminum sheet...

• Material thickness: Usually from 0.5mm ~ 1.2mm.

• Working speed: Fast, stable and accurate.

Outstanding advantages:

• Increase uniformity and aesthetics of duct products.

• Minimize manual errors, optimize assembly and construction processes at the construction site.

• Compact vertical shaft design, easy to arrange in factory space.

• Saves time and effort compared to traditional manual seaming methods.