1. Full range in bearing bar size and mesh size 2. Largest production capability 3. Best Price 4. Reliable manufacturer
1. Comprehensive type and broadest range in dimension.
1.1 Material Q235 , or other equivalent material
1.2 Grating Conformity Standard: YB/T4001, ANSI/NAAMM-MBG531, BS4592, AS1657, JS3101
1.3 Grating Dimension
Load Bearing Flat Bar size | Thickness≥3mm, depth ≥19mm |
19X3,19X5,20X3, 20X5, 25X3, 25X4, 25X4.5, 25X4.7, 25X5…..40X6, 40X8, 40X10,….90X6…. | |
Pitch of Load bearding flat bars(mm) | 12.5,15, 20, 30, 30.6, 32.5, 34, 34.8, 35.3, 40, 60, 80…… |
Pitch of cross bars(mm) | 38.1, 50, 50.8, 70, 75, 80, 99,100, 101.6, 102…… |
The sizes and dimension is not limited to above.
1.4 Grating type: Bearing bar: Plain type, Plain I type, Serratd type, Serrated I type;
Cross bar: Square twisted cross bar, Round cross bar
2. Types of Drainage/Ditch Cover: a. Normal type; b. U type; c. Security type (anti-theft)
2.1 Normal type of Drainage/Ditch Cover
Embedded installation, safe and reliable, anti-thrust (not easy to shed)
2.2 U type of Drainage/Ditch Cover
Both ends welded with angle steel, so no need pre-embedded supporting parts.
2.3 Security type of Drainage/Ditch Cover
Both ends connected with steel frame through gemel, so anti-theft and safe , easy to open.
3. 11 sets of press welded (electro-forged welding) production lines creat largest production capability, flexible and controlled delivery to cater to the variety of needs of customers.
4. The high-tec techneque and equipment guarantee high quality of gratings. Most of machine were imported from Japan, Germany,Switzerland,etc.
5. Capable design can make grating customized according to site requirement.
Drainage / Ditch Cover_Security type
