water sump drain cover manhole cover
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Steel Bar Grating, also known as Welded Steel Bar Grate is extremely strong and durable for all load bearing applications and is primarily used for pedestrian and light vehicle traffic. Steel bar grating is available in a variety of bearing bar spacing and thicknesses depending on applications and load requirements. Available in either smooth top or serrated for slip resistance.
This is the popular sizes of gratings/manhole cover/drainage cover:
Pitch of Bearing bar
Cross-bar Pitch
Specification of bearing bar load(width×thickness)
20×3
25×3
32×3
40×3
20×5
25×5
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
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
60
50
G253/60/50
G253/60/50
G403/60/50
G205/60/50
G255/60/50
Pitch of Bearing bar
Cross-bar Pitch
Specification of bearing bar load(width×thickness)
32×5
40×5
45×5
50×5
55×5
60×5
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
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
60
50
G325/60/50
G405/60/50
G455/60/50
G505/60/50
G555/60/50
G605/60/50
Compared with cost iron drain cover, the advantage of steel grating:
- Saving material: the most economical method of using material at the same bearing condition, correspondingly, also less material of supporting structure.
- Less investment: less material, less workman, shorter time limit of project, no need of clearance and maintenance.
- Easy construction: fixed by installation fastener or welding, one person can finish.
- Durable: hot-dipped galvanized, high attacking and heavy duty proof.
- Modernization: beautiful appearance, reasonable design, good ventilation and daylight,
- Light structure: less material, light weight, easy to be lifted and loaded
- Dirt proof: no rain, no snow and dust
If you have any inquiry of steel grating, grates, manhole cover and drainage cover, stair treads, pls contact me via email: annie.cao@jwgrating.cn, whatsapp/wechat: +8613370303868.
water sump drain cover manhole cover
If you need customized products, Contact US !
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Factory Add: NO.8 Xicheng Street, Raoyang County, Hengshui City, Hebei Province
Tianjin sales office: Room 603, Block C, Renaihaojingguoji, Hongqi Road, Nankai District, Tianjin, China