Overflow Steel Drainage Cover Grating Galvanized Silver Outdoor
Usage
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.
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.
Standard size trench cover details
| Bearing Bars | Cross Bars | Type 19-W-4 | Type 19-W-2 | Type 15-W-4 | Type 15-W-2 |
| 3/4 x 1/8 | 1/4 | 3.99 | 4.63 | 4.95 | 5.59 |
| 3/4 x 316 | 1/4 | 5.67 | 6.31 | 7.11 | 7.75 |
| 1 x 1/8 | 1/4 | 5.15 | 5.79 | 6.44 | 7.08 |
| 1 x 3/16 | 1/4 | 7.35 | 7.99 | 9.27 | 9.91 |
| 1-1/4 x 1/8 | 1/4 | 6.20 | 6.84 | 7.79 | 8.43 |
| 1-1/4 x 3/16 | 1/4 | 9.03 | 9.67 | 11.43 | 12.07 |
| 1-1/2 x 1/8 | 1/4 | 7.35 | 7.99 | 9.27 | 9.91 |
| 1-1/2 x 3/16 | 5/16 | 10.94 | 11.80 | 13.82 | 14.68 |
| 1-3/4 x 3/16 | 5/16 | 12.62 | 13.48 | 15.98 | 16.84 |
| 2 x 3/16 | 5/16 | 14.30 | 15.16 | 18.14 | 19.00 |
| 2-1/4 x 3/16 | 5/16 | 15.87 | 16.74 | 20.16 | 21.03 |
| Item No | Bearing bar pitch | Cross bar pitch | specification os bearing bar(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 | G203/60/50 | G253/60/50 | G323/60/50 | G403/60/50 | G205/60/50 | G255/60/50 |
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 |
Usage
steel grating trench covers is mainly used in chemical industry,
food processing, hydro processing and
other industries as listed :
- Power plant
- Chemical plant
- Oil Refinery
- Steel plant
- Machinery plant
- Paper-making factory
- Cement plant
- Civil engineering
- Wastewater treatment
- Pharmacy industry
- Food processing
