Silver Channel Drain Grate Cover , Low Carbon Galvanised Drainage Grates
Low Carbon Trench Gutter Ditch Sidewalk Grating Trench Cover Galvanized
Specification
We produce three kinds of steel gratings, they are Plain Style Steel Grating, Serrated Style Steel Grating
and I Bar Type Steel Grating.
We can design and manufacture standard steel grating and in customized shapes per client's
requirements.
They are widely used in steel structure platforms, stair treads, sidewalks,drainages and well covers etc.
Tolerance of grating steel
The allowed deviation of length is +0/-5mm, while the allowed deviation of width is +/-5 mm.
The non-perpendicularity of bearing bar is allowed no more than 10% of width of bearing bar.
Cross bar surface should not surpass bearing bar surface 1mm, beginning & end of cross bar should not
surpass the end surfaces of two sides of grating 2mm.
Standard size trench cover details
| NO. | Bearing bar pitch |
Cross bar pitch |
Specification of bearing bar load( width × thickness ) | |||||
| 20×3 | 25×3 | 32×3 | 40×3 | 20×5 | 25×5 | |||
| 1 | 30 | 100 | G203/30/100 | G253/30/100 | G323/30/100 | G403/30/100 | G205/30/100 | G255/30/100 |
| 50 | G203/30/50 | G253/30/50 | G323/30/50 | G403/30/50 | G205/30/50 | G255/30/50 | ||
| 2 | 40 | 100 | G203/40/100 | G253/40/100 | G323/40/100 | G403/40/100 | G205/40/100 | G255/40/100 |
| 50 | G203/40/50 | G253/40/50 | G323/40/50 | G403/40/50 | G205/40/50 | G255/40/50 | ||
| 3 | 60 | 50 | - | G253/60/50 | G253/60/50 | G403/60/50 | G205/60/50 | G255/60/50 |
| NO. | Bearing bar pitch |
Cross bar pitch |
Specification of bearing bar load( width × thickness ) | |||||
| 32×5 | 40×5 | 45×5 | 50×5 | 55×5 | 60×5 | |||
| 1 | 30 | 100 | G325/30/100 | G405/30/100 | G455/30/100 | G505/30/100 | G555/30/100 | G605/30/100 |
| 50 | G325/30/50 | G405/30/50 | G455/30/50 | G505/30/50 | G555/30/50 | G605/30/50 | ||
| 2 | 40 | 100 | G325/40/100 | G405/40/100 | G455/40/100 | G505/40/100 | G555/40/100 | G605/40/100 |
| 50 | G325/40/50 | G405/40/50 | G455/40/50 | G505/40/50 | G555/40/50 | G605/40/50 | ||
| 3 | 60 | 50 | G325/60/50 | G405/60/50 | G455/60/50 | G505/60/50 | G555/60/50 | G605/60/50 |
Type of saddle clips
|
Proper grating specifications |
|||
| A-20 | B-20 | C-20 | Bearing bars at 20mm pitch |
| A-25 | B-25 | C-25 | Bearing bars at 25mm pitch |
| A-30 | B-30 | C-30 | Bearing bars at 30mm pitch |
| A-40 | B-40 | C-40 | Bearing bars at 40mm pitch |
| A-60 | B-60 | C-60 | Bearing bars at 60mm pitch |
Features
1. Anti-corrosive, resisting to acid and alkali
2. Light weight, great load-bearing capacity, on-slip and safe, easy installation
3. Being economical of materials, being sturdy and durable, ventilation
4. Easy to clean and attractive appearance.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.