The drainage rack with composite water collection channel is a new design combo. This product can also be called a composite drainage channel, they are used in the premises of resorts, gardens, swimming pools, commercial centers, amusement parks, industrial parks…
The product set has the advantage of neat, easy installation and high aesthetics.
Outstanding advantages of the drainage rack with water collection channel
The product still has all the outstanding features of the Composite trash rack line such as:
- Light weight: Only 1/4 compared to cast iron, easier to transport and install
- Resistant to corrosion in harsh environments: Trash racks are made from Composite material that is resistant to corrosion and destruction of the environment;
- High hardness and mechanical strength
- High aesthetics of composite trash racks: products are manufactured according to each customer’s requirements from size to color, pattern …
- The product has a flexible design. Can access many campuses and terrains. Applied in drainage of houses, commercial centers, industrial parks, apartments, garden houses, swimming pools …
- The surface drains easily, avoids dirt, is easy to clean, easy to cut, join, and connect. The joint surface is tight, high precision. Ensures good aesthetics and waterproofing.
- U-shaped groove box with connecting joints — Simple and easy installation
Size of drainage system with water collection groove
- Frame size: 1000x350 ± 2mm, 1000x300 ± 2mm, 1000x200 ± 2mm, 1000x400mm (Or according to customer’s required size)
- Load capacity: From 1.5 to 40 tons
- Material: Composite
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What is trash rack?
Trash rack or trash screen, drainage rack are devices/tools with flat, flattened surfaces, large cross-section. On the surface there are small holes or gaps for the purpose of allowing water to flow through. Trash racks are mainly installed in drainage systems, wastewater treatment or rainwater, to prevent coarse waste such as leaves, plastic bags, bottles, branches, gravel… before water continues to flow into the drainage system or pumping station.
Trash racks are usually made of cast iron, composite, Grating steel, stainless steel, galvanized steel, hard plastic or concrete with a screen…
Function and effect of trash racks
The main function of trash racks is to prevent large objects such as trash, leaves and foreign objects before water flows into sewers or collection tanks, drainage systems below; or flow into the house every time it rains heavily and floods, helping the drainage system operate stably. These types of waste pose a potential risk of clogging sewers and drainage systems; causing flooding for roads and neighborhoods. Therefore, trash racks are an indispensable item in the wastewater treatment system for production and daily life. See more at:
Close-up of the manhole cover and cast iron grating foundry
Manhole covers and drainage gratings on the road seem very familiar to each of us. But how are these products produced?
Please watch the short clips close-up of the casting process of manhole covers, drainage gratings and cast iron gratings at the Viet A foundry.
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How to make mold and cast cast iron manhole cover
To produce sharp, durable and cheap cast iron manhole covers is a whole technology, an art of the manufacturer. The process from making molds, smelting cast iron, pouring molds to finishing the product sounds quite simple. However, with just that short process, the quality standards of cast products of each manufacturer are not the same. Below, Viet A will share the process, how to create molds and cast cast iron manhole covers at Viet A cast iron foundry.
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Flexible concrete, also known as bendable concrete, achieves ductility — a stark contrast to the brittle nature of conventional concrete. This fundamental difference allows flexible concrete to be more versatile in application, offering improved performance, durability, and higher strength.
Several key characteristics highlight the distinction between flexible concrete and traditional concrete. Conventional concrete is inherently brittle, whereas flexible concrete is designed to be more ductile and bendable. Additionally, flexible concrete typically offers greater durability and strength.
Another notable difference lies in the composition. Conventional concrete uses less cement, which limits its ability to recover from cracks. In contrast, flexible concrete possesses a self-healing capability, as it can repair minor cracks through a natural reaction between carbon dioxide and water, enhancing its longevity and structural integrity.
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This product is often installed at the drainage spigot along traffic routes for the purpose of draining water and preventing foreign objects and garbage from flowing down the sewer, clogging the drainage system. In addition, the odor barrier also has the important function of preventing odors from the sewer system from escaping to the surface, causing unsanitary conditions and environmental pollution.
Viet A ductile iron odor barrier is manufactured according to strict technical processes. The product has good quality, durability, and is diverse in design, size and color. In particular, the product price is the cheapest on the market.
Viet A ductile iron odor barrier is manufactured from many different materials depending on the needs of the project and the product price. To choose the right type of barrier for your project, please contact Viet A directly.
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Viet A Odor-Preventing Drainage Grate
The latest 2025 Viet A odor-preventing drain grate has completely overcome the disadvantages of previous drainage grate and trash rack lines.
What is an odor-preventing drain grate?
Odor-preventing drain grate is used to cover holes and drainage ditches; helping to prevent waste from falling into the drainage ditch, and at the same time helping to drain water when flooded. In addition, it also has the function of controlling and preventing odors and bacteria from rising from holes and drainage ditches. The product ensures safety for pedestrians and vehicles. To ensure environmental sanitation, this type of product is currently widely used by construction contractors.
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This edge-cut drainage product solves the problem of sewers arranged at the edge of the road — where it is difficult to install conventional drainage.
The product is made of composite with high durability, high load capacity and not too heavy weight, convenient for installation and regular maintenance of the system.
The Viet A odor-blocking drainage model 2025 completely brings clean air to residential areas, urban areas …
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Protecting tree roots with composite mesh
In recent times, Da Nang city has made efforts to increase the density of street trees. From new roads and renovated alleys, the number of newly planted trees, replanting trees, compensating for the loss of green canopy due to the urban renewal process in previous years has increased sharply. According to a report from the tree management unit, the density of trees per capita in Da Nang has doubled compared to the period when the city had just re-established its administrative boundaries.
However, the arrangement of trees on Da Nang streets is still inadequate. In particular, the issue of protecting tree roots and creating aesthetics and convenience for people’s daily life has become prominent.
On many new roads, trees are confined within the sidewalk bricks, creating bumpy, ugly edges. The land in these compartments is often dented, becoming dirty mud holes, and many people throw garbage and construction waste… People’s movement on the sidewalk is also limited due to the holes built around the base of these trees. See more at:
Viet A composite trash rack price list
Viet A composite trash rack price list in 2025 has many innovations. Specifically, popular composite trash rack models such as size 960x530, load capacity 12.5 tons, 25 tons and 40 tons have the cheapest selling price.
Other products with quite basic frame sizes such as: 1000 x 800, 960 x 450 … load capacity 125kn, 250kn and 400kn … according to the new trash rack price list also have cheap selling prices. The reason these types of composite trash racks have cheap selling prices is because they are produced in large quantities, available goods; do not have to produce many molds, so costs are reduced.
The average price of composite trash racks for the above product models currently being sold by Viet A ranges from 950,000 VND to 1,650,000 VND for the 12.5 ton load type. The 25 ton and 40 ton load types will have higher prices, but not significantly.
In addition, during this time, Viet A also reduces the selling price of other types of composite trash racks to stimulate market demand and increase production output, reduce warehouse load…
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