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| Name: | Heavy Duty Galvanized Steel Grating Drain Cover Free Sample Customized | Bearing Bar Type: | Flat Bar Twisted Bar I Bar |
|---|---|---|---|
| Cross Bar Type: | Twisted Bar Or Round Bar | Sample: | Free |
| Bearing Bar Size: | 20×3,25×3,25×5,30×3,30×4,30×5,32×3,32×5……120×10mm,etc. | Color: | Sliver/Black |
| Cross Bar Size: | 5X5, 6X6, 8X8mm (twisted Bar)/5, 6, 8mm ( Round Bar) | Width: | 250 Mm, 300 Mm , 350 Mm ,500 Mm |
| High Light: | metal driveway drainage grates,floor drain grate covers |
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Heavy duty Galvanized Steel Grating Drain Cover Free Sample Customized
Heavy Duty trench cover is applied on walkway, carriageway, courtyard etc; used as cover for drainage trench, wire ditch, subway, and air pit, hot-dip-galvanizing finish is used as antiseptic. Grating trench cover is composed of fixed frame & movable grating. It can be classified to Type T, U and M according to structures.
The usage of drain grate covers - sewer grating,crni trench cover
As a cover in a variety of passer-by, driveway, yard and construction for water leakage, Trenching, underpass subway, light well, inspection well and etc
Trench Covers are widely used in Mass transportation, subways, playground, industrial areas, parks and high ways...etc
Trench Covers are ideal for sub-stations, waste-water treatment plants, and chemical facilibility
Material- sewer grating,crni trench cover
| Bearing bar | Q235A or stainless steel |
| Cross bar | Q235A or 304 stainless steel |
Steel grating standards - sewer grating,crni trench cover
| Country | Steel grating standars | steel standard | Hot dipped galvazising standard |
| China | YB/T4001.1-2007 | GB700-88 | GB/T13912-2002 |
| U.S.A | NASI/NAAMM(MBG531-88) | ASTM(A36) | ASTM(A123) |
| U.K | BS4592-1987 | BS4360(43A) | BS729 |
| Australia | AS1657-1992 | AS3679 | AS1650 |
Example for specification- fabricated gully grating,hatch board
| 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 |
| 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 |
Contact Person: admin
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