Galvanized Steel Drainage Cover Grating | Heavy Duty Road Grating 757/30/100

Heavy duty galvanized steel drainage cover grating provides exceptional performance for road and industrial drainage applications. Engineered with robust 757 series construction featuring 30mm bearing bar pitch and 100mm cross bar spacing, this grating system delivers superior load-bearing capacity while ensuring optimal water drainage. The hot-dipped galvanized finish offers maximum corrosion resistance, making it ideal for municipal, industrial, and commercial drainage applications.

Key Features & Benefits

• Superior Drainage Capacity - Optimized open area design ensures efficient water flow

• Heavy Duty Construction - 757 series specification supports substantial traffic loads

• Advanced Corrosion Protection - Hot-dipped galvanized coating for extended service life

• Anti-Slip Safety - Serrated surface options available for pedestrian and vehicle safety

• Low Maintenance Design - Self-cleaning properties reduce upkeep requirements

• Easy Installation - Prefabricated panels facilitate quick deployment

• Environmentally Friendly - Fully recyclable materials support sustainable projects

Technical Specifications

Dimensions & Materials

• Model Specification: 757/30/100 Heavy Duty

• Bearing Bar Sizes: 20×3mm to 65×5mm (multiple standard options)

• Bearing Bar Pitch: 15mm to 90mm spacing (30mm recommended)

• Cross Bar Pitch: 24mm to 200mm customizable intervals

• Material Grades: Low carbon steel, middle carbon steel, stainless steel

• International Standards: GB700-88, ASTM A36, BS4360 43A, AS3679

Construction & Certification

• Bearing Bar Types: F-type, I-type, S-type, IS-type configurations

• Surface Treatments: Hot-dipped galvanized, painted, self-color finishes

• Quality Standards: YB/T4001.1, ANSI/NAAMM, BS4592, AS1657 compliant

• Load Rating: Heavy duty classification for road applications

Applications

• Municipal road drainage systems

• Industrial site drainage covers

• Highway and bridge drainage

• Parking lot drainage grates

• Port and harbor drainage

• Chemical plant drainage systems

• Water treatment facilities

• Urban infrastructure projects

Performance Advantages

• Exceptional Load Capacity - Withstands heavy vehicle traffic loads

• Optimal Water Flow - High percentage open area ensures efficient drainage

• Durability - Robust construction ensures long-term performance

• Safety Compliance - Meets international safety standards

• Cost Efficiency - Long service life reduces replacement costs

• Versatility - Adaptable to various drainage requirements

• Weather Resistance - Suitable for all climatic conditions

Quality Assurance

• International standard compliance

• Rigorous manufacturing quality control

• Material certification available

• Pre-production sample approval

• Final inspection before shipment

Customization Services

• Size Customization - Tailored to specific project requirements

• Load Optimization - Engineered for specific traffic loads

• Surface Treatment - Multiple finish options available

• Technical Support - Professional design consultation

• Global Standards - Compliance with international specifications

Service & Support

• 15-20 day standard delivery time

• Flexible payment terms accepted

• Free samples available (freight covered by customer)

• Custom logo and branding services

• Professional technical assistance

• Global shipping arrangements

Contact us for detailed quotations and technical specifications - Our engineering team provides comprehensive support for drainage cover grating applications, including customized solutions for specific road and infrastructure requirements.