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Help Center316 Stainless Steel Trench Grating, Weld-Free Design, 1500x250mm, Suitable for Food Processing Areas
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Welcome to Hengshui Ruibin New Materials LLC, a professional manufacturer established in 2019 with a factory spanning 1,000–3,000 square meters and an annual export value of US$2.5–5 million. Our team of 101–200 experienced employees is dedicated to delivering high-quality industrial products to markets across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and beyond. Today, we are proud to introduce our 316 Stainless Steel Trench Grating in a weld-free design, measuring 1500x250mm, specifically engineered for demanding food processing environments. This grating combines superior corrosion resistance with effortless installation, ensuring long-term hygiene and safety without the need for welding equipment or specialized labor.
Our trench grating is crafted from premium 316 stainless steel, a material known for its exceptional resistance to chlorides, acids, and high-moisture conditions — making it the ideal choice for food processing areas where frequent washing, chemical cleaning, and exposure to acidic or salty substances are routine. The weld-free design eliminates the risks associated with welding (such as heat distortion, weakened structural integrity, and time-consuming setup), allowing for quick surface mounting or embedding into concrete. Each grating is precision-manufactured to a standard size of 1500mm in length and 250mm in width, with customizable thickness options to meet your specific load requirements. The brushed silver-gray finish not only provides a non-slip surface but also facilitates easy cleaning and prevents bacterial growth.
Key Features & Technical Specifications
- Material Excellence: 316 stainless steel (1.4401) with high molybdenum content, offering superior resistance to pitting and crevice corrosion in chlorinated environments.
- Weld-Free Assembly: Interlocking or bolt-down system eliminates the need for on-site welding, reducing installation time by up to 50% compared to traditional welded gratings.
- Dimensions: 1500mm (L) × 250mm (W) — standard length and width; other sizes available on request.
- Load Capacity: Customizable thickness (e.g., 25mm, 30mm, 35mm) to meet load ratings from pedestrian traffic to light vehicle loads (A15 / B125 / C250 as per EN 1433, upon request).
- Surface Treatment: Brushed finish provides a slip-resistant texture and reduces glare; optional electro-polishing for enhanced hygiene.
- Anti-Corrosion: 316 SS withstands continuous exposure to water, steam, mild acids, and alkaline cleaning agents commonly used in food processing.
- Easy Maintenance: Open design allows debris and liquids to flow freely; removable panels for periodic cleaning without disassembling the entire system.
- Compliance: Meets industry standards for drainage and safety in food production environments (HACCP compatible).
| Parameter | Value |
| Material Grade | AISI 316 (UNS S31600) |
| Overall Dimensions | 1500 × 250 mm |
| Bar Thickness | 25 / 30 / 35 mm (customizable) |
| Bar Spacing | 30 mm (standard); other pitches available |
| Load Class (optional) | A15, B125, C250 per EN 1433 |
| Surface Finish | Brushed (Ra ≤ 0.8 µm) |
| Weight (approx.) | 3.5 kg per piece (30mm thickness) |
Customer Benefits: By choosing our weld-free 316 stainless steel trench grating, you gain a hygienic, low-maintenance drainage solution that reduces downtime during installation and cleaning. The non-welded joints prevent crevices where bacteria can hide, meeting strict food safety audit requirements. Its structural integrity remains uncompromised over years of heavy wash-downs, and the material’s longevity translates into lower total cost of ownership compared to galvanized or 304 stainless alternatives.
Trust & Reliability
As a dedicated manufacturer with an annual export value of US$2.5–5 million, Hengshui Ruibin New Materials LLC serves clients in over a dozen regions worldwide. Our 1,000–3,000 square meter facility is equipped with advanced stamping and welding-free assembly lines, enabling consistent quality and rapid order fulfillment. We have a skilled workforce of 101–200 employees who strictly follow ISO-compatible quality control procedures (no specific certification claimed). Our products are shipped from Tianjin or Qingdao ports, with flexible packaging options to protect the brushed surface during transit. We invite you to experience the difference of a weld-free, corrosion-resistant grating designed specifically for the rigorous demands of food processing. Contact us today for a quote or to request free samples for evaluation — our team is ready to support your project with customized dimensions, load ratings, and surface finishes.
Frequently Asked Questions (FAQ)
Q1: Is this trench grating suitable for direct contact with food?
A: The grating is not intended for direct food contact but is designed for drainage channels in food processing areas. 316 stainless steel is food-grade and safe for incidental contact, and its smooth surface helps prevent bacterial accumulation.
Q2: How is the weld-free design installed?
A: The grating comes with interlocking edges or pre-drilled holes for bolts. It can be laid into a channel frame or directly embedded during concrete pouring. No welding, heat treatment, or specialized tools are required — simply connect the sections and secure with optional clamping bars.
Q3: What is the maximum load this grating can support?
A: The load capacity depends on bar thickness and spacing. For standard 30mm thickness, it can typically withstand pedestrian and light vehicular loads. We can custom-engineer it to meet load classes up to C250 (EN 1433) — please provide your specific load requirements.
Q4: Can I get the grating in different sizes?
A: Yes, while 1500x250mm is the standard, we offer custom lengths and widths. Minimum order quantities may apply for non-standard sizes. Our team can advise on the best configuration for your channel dimensions.
Q5: How does 316 stainless steel compare to 304 for food environments?
A: 316 contains molybdenum, which provides superior resistance to chlorides (e.g., from salt, bleach, and acidic foods). In food processing areas with frequent chemical cleaning, 316 outperforms 304 and extends service life significantly, reducing replacement costs.
Q6: What surface finish options are available?
A: The standard finish is brushed (matte) for a non-slip texture. For enhanced cleanability, we also offer an electro-polished finish that creates a smoother, more reflective surface. Contact us for samples of both.
Q7: What is the typical delivery lead time?
A: For standard 1500x250mm gratings with 30mm thickness, we can ship within 15–20 working days after order confirmation. Custom dimensions may require 25–30 working days. We ship from Tianjin or Qingdao ports via sea or air freight.
Q8: Do you provide certifications or test reports?
A: Yes, we can provide material test certificates (mill test reports) for 316 stainless steel upon request. For load testing or other certifications, we can arrange third-party inspection at an additional cost.
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