| Model: | G325/40/100 |
|---|---|
| Brand: | JW |
| Origin: | Made In China |
| Category: | Metallurgy , Mining & Energy / Metallurgy & Mining / Metal Mineral |
| Label: | galvanized grating , gully grating , trench cover grating |
| Price: |
US $5
/ pc
|
| Min. Order: | 1000 pc |
| Live Chat: | Last Online:23 Nov, 2015 |
The usage of drain grate covers - fabricated gully grating,hatch board
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- fabricated gully grating,hatch board
|
Bearing bar |
Q235A or stainless steel |
|
Cross bar |
Q235A or 304 stainless steel |
Steel grating standards - fabricated gully grating,hatch board
|
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 |
A drainage that is constructed across a road is called a ‘Transverse Trench’. Relation between car and the grating of the trench cover: The car passes through parallel with the bearing bars.
