Dovetail Pressure Locked Grating
Dovetail pressure locked steel grating is a type of steel grating manufactured by pressing cross bars into pre-grooved bearing bars under high pressure, forming a secure mechanical lock structure.
Compared with standard welded steel grating, pressure locked grating provides a tighter bar connection and a more uniform surface appearance, while maintaining high load-bearing performance and durability.
This product is widely used in industrial flooring systems, platforms, walkways, stair treads, and drainage applications. It can be manufactured in carbon steel, galvanized steel, or stainless steel to meet different project requirements.
As a professional steel grating manufacturer in China, we supply customized pressure locked steel grating according to project drawings and specifications for global industrial and construction applications.
Specification
Material: carton steel, stainless steel.
Bearing bar: width:30-100mm, thickness: 3-12mm.
Cross bar: width:30-100mm, thickness: 3-12mm.
Pitch distance: 50*50mm-200mm*200mm.
Different Type
You can select the following type, according to the different insertion angles and insertion modes.
- Half Locked Type
- Integral Locked Type
- Louver Locked Type
Different Surface
We can provide the following types for you. They are different in anti-slip effect.
- A Serrated Type
- B Serrated Type
- C Serrated Type
- Plane Type
Don’t see what you’re looking for?
Custom-Design your Order
Call us or fill out the form below to connect with our product engineering team for a custom-designed solution. Our team will work with you to:
- Determine your Application
- Identify your Specifications
- Choose a Product
- Select a Finish
Above all, we will “Make it Right and Ship When Promised.”
Why Choose Press Locked Steel Grating.
I. Technical Performance Advantages
High Strength and Stability
- The bearing flat bars and crossbars are fixed by mechanical pressure-locking technology, with no welding thermal stress, ensuring uniform structure and better fatigue resistance and load-bearing capacity, making it suitable for heavy-duty scenarios.
Anti-Slip and Safety
- The surface can be designed with serrated or embossed patterns, offering excellent anti-slip performance, ideal for humid, oily, or snowy environments. The edges are smooth with no sharp edges, reducing the risk of personal injury.
Corrosion Resistance
- Few or no weld points, reducing the risk of rust. It can be treated with galvanizing, stainless steel, or coatings, making it suitable for chemical, marine, and other highly corrosive environments.
Ventilation and Light Transmission
- The open structure facilitates air circulation, lighting, and drainage, reducing issues of water and snow accumulation. It is ideal for outdoor spaces or places with high ventilation demands.
II. Economic Advantages
Low Total Lifecycle Cost
- Corrosion-resistant, maintenance-free, and long-lasting, reducing post-installation maintenance and replacement costs.
Easy Installation
- Modular design, no need for complex welding or bolted connections, saving installation time and labor costs.
High Material Utilization
- The spacing and specifications of the flat bars can be adjusted flexibly, reducing material waste and lowering production costs.
III. Safety Advantages
Few or No Weld Points
- Reduces weak points in the structure, preventing weld cracks or rust, improving long-term safety.
Anti-Slip Design
- High friction coefficient surface, reducing the risk of slipping, and complies with international safety standards (e.g., OSHA, EN ISO).
IV. Wide Application Scenarios
Industrial Fields
- Suitable for heavy-load and high-corrosion environments like petrochemical, power, and mining industries.
Public Facilities
- Ideal for places requiring anti-slip, ventilation, and aesthetics, such as bridges, subway platforms, and sports venues.
Special Environments
- Suitable for environments with high corrosion resistance and hygiene requirements, such as offshore platforms and food factories.
V. Sustainability and Environmental Protection
Recyclability
- Steel or aluminum materials are 100% recyclable, meeting green building standards (e.g., LEED, BREEAM).
Energy Conservation and Carbon Reduction
- Lightweight design reduces the amount of material used in the foundation structure, lowering overall carbon emissions in construction.
VI. Comparison with Welded Steel Gratings
| Feature | Press Locked Steel Grating | Welded Steel Grating |
|---|---|---|
| Process | Mechanical pressure-locking, few weld points (optional) | High-temperature welding, many weld points |
| Thermal Impact | None or minimal | Present |
| Corrosion Resistance | Better (few or no weld points) | Weld points prone to rust |
| Load-bearing Capacity | Higher (uniform structure) | Medium (weld points may be weak spots) |
VII. Summary: Core Value
- More Reliable: Uniform structure, strong load-bearing capacity, suitable for heavy-duty scenarios.
- More Durable: Excellent corrosion resistance, long service life, low maintenance costs.
- Safer: Anti-slip design, no sharp edges, complies with international safety standards.
- More Economical: Easy installation, low total lifecycle cost.
- More Environmentally Friendly: Recyclable, energy-efficient, and carbon-reducing, meeting sustainability goals.
