|
Grainage Trench Box Grate witout hinge Connection
port Serrated Bar Steel Grating Supplier
petroleum Serrated Bar Steel Grating
QUALITY STANDARDS
|
GratingStandard
|
Material Standard
|
HDGStandard
|
Handrail Standard
|
|
YB/T4001-2007
|
GB704-88
|
GB/T13912-92
|
4053.3-93
|
|
ANSI/NAAMM
|
ASTM (A36)
|
ASTM (A123)
|
|
|
BS4592-1995
|
BS4360 (43A)
|
BS729
|
BS6399/BS6180
|
|
AS1657-1992
|
AS3679
|
AS1650
|
1650-1985
|
SPECIFICATIONS
|
No
|
Item
|
Description trench drain grating cover
|
|
1
|
Bearing bar
|
25x3,25x4,30x3,30x4,30x5,32x5,40x5,50x5,.....75x10mm
|
|
2
|
Bear bar pitch
|
12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40,41,60mm. US standard: 1"x3/16", 1 1/4"x3/16", 1 1/2"x3/16", 1"x 1/4", 1 1/4"x 1/4", 1 1/2"x 1/4" etc.
|
|
3
|
Cross bar pitch
|
30.38.1, 40,50, 60,76,100,101.6mm
|
|
4
|
Material
|
Q235, Q235, A36, SS304,SS316,
|
|
5
|
Surface treatment
|
Black, hot dipped galvanizing, painting
|
Steel trench cover is made by bearing bar and cross bar according to the flat-steel weft arrangement, in high-pressure spacing on resistance welder welded by cutting, incision, opening, overlock process such as processing and into customer requirements finished products.
TECHNOLOGY
|
Items
|
Features
|
|
1
|
Good appearance: simple line, silvery surface, modern design.
|
|
2
|
Optimized drainage effect: water leakage area upto to 83.3% which is twice of the iron castings.
|
|
3
|
HDG: superior rust protection, free of maintenance and replacement.
|
|
4
|
Anti-theft design: Covers and frames are connected by hinges providing safe and convenient application
|
|
5
|
Save project investment: lower price and lower maintenance cost compared to iron castings.
|
|
6
|
High strength: higher strength and durability than iron castings, suitable for using in larger spacing and heavier loading conditions such as the docks and airports.
|
|
7
|
They are available in various types to satisfy the need for different environment, loading, spacing, and configuration.
|
|
|
|
|
Product Image
|
