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Drainage Trench Grating

Drainage Trench Grating
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Product Name:Drainage Trench Grating
Place of Origin:Peoples Republic of China
Post Date:June 19, 2017
Edit Date:June 19, 2017
Company Name :
Anping Mengke Wire Mesh Manufacture Co., Limited
Tel:+86-318-76632111
Fax:+86-318-76632111
Add:East industrial Zone, Anping, Hebei, China.
E-mail:sales@steelbargrating.org
Detailed Product Description:

Steel bar grating is a widely used grating type. It can be used in the trench and drainage system as the trench and drainage cover to ensure the excellent drainage performance and secure the pedestrians safety.

Like most of steel gratings, such as welded steel grating and press-locked grating, the drainage trench grating is made of carbon steel, aluminum steel and stainless steel. Different materials of grating can suit different applications of customers. Carbon steel grating is the most economical grating among the three types and the aluminum grating features lightweight and corrosion resistance, it can be used in the corrosive environments. The stainless steel grating has unique chemical stability, it is the ideal products to be used in the acid or alkali environments and keep a long service life.

Drainage trench grating types

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Angle frame can increase the load capacity of drainage trench grate.

Trench grate and angle frame

It is the simplest and most economical types of types of trench covers. It can be installed on the trench and drainage to form a cover. This cover can not only ensure the excellent drainage performance, but allow the traffic passing through. The galvanized angle frame gives the maximum opening and supplies a strong and solid base for the grating. It can bear the load of steel grating can improve the load carrying capacity of grating.

Except for the standard trench grate, there is a type of grate is made of close mesh steel grating. The close mesh steel grating is available for pedestrians wearing high-heel shoes, bicycles and other wheeled equipment easy passing through.

Specification of standard trench grate and frame
Item Clear opening (mm) Grate width (mm) Grate depth (mm) Bar spacing (mm) Angle frame (mm)
TGAFS-01 75 100 25 20* 30 × 15 × 3
TGAFS-02 105 150 25 25 30 × 30 × 5
TGAFS-03 120 150 25 20* 30 × 15 × 3
TGAFS-04 150 200 25 20* 30 × 30 ×5
TGAFS-05 150 215 32 25 40 × 40 × 5
TGAFS-06 200 250 25 25 30 × 30 × 5
TGAFS-07 200 275 40 25 45 × 45 × 5
TGAFS-08 235 300 32 25 40 × 40 × 5
TGAFS-09 250 300 25 25 30 × 30 × 5
TGAFS-10 250 325 40 25 45 × 45 × 5
TGAFS-11 300 350 25 25 30 × 30 × 5
TGAFS-12 300 375 40 25 45 × 45 × 5
TGAFS-13 300 395 50 25 55 × 55 × 5
TGAFS-14 400 475 40 25 45 × 45 × 5
TGAFS-15 400 495 50 25 55 × 55 × 5
Specification of close mesh trench grate and frame
Item Clear opening (mm) Grate width (mm) Grate depth (mm) Bar spacing (mm) Angle frame (mm)
TGAFC-01 75 100 25 9 30 × 15 × 3
TGAFC-02 120 150 25 9 30 × 15 × 3
TGAFC-03 150 200 25 9 30 × 30 ×5

Angle sided grates

Angle sided grate is a type of drainage trench cover with angle bar on the two side of the grating. It is fit for the concrete trench, which is molded a channel to place the grates. The sided angle bars can bear the load capacity of the grating and ensure the long service life of the grate. The appropriate opening size can not only enable the drainage but also block the large wastes from entering the trench and blocking the trench.

The angle sided grate has smooth and serrated surface for choice. And the common length of angle sided grates are 1m.

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Angle sided grate with smooth surface.
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Angle sided grate with serrated surface.
Specification of standard angle sided grate
Item Grate width (mm) Grate depth (mm) Angle size (mm) Bar spacing (mm)
ASGS-01 75 25 25 × 25 × 3 20*
ASGS-02 100 25 25 × 25 × 3 20*
ASGS-03 150 25 25 × 25 × 3 20*
ASGS-04 150 30 30 × 30 × 5 25
ASGS-05 200 25 25 × 25 × 3 20*
ASGS-06 200 30 30 × 30 × 5 25
ASGS-07 250 25 25 × 25 × 5 25
ASGS-08 250 40 40 × 40 × 5 25
ASGS-09 300 25 25 × 25 × 5 25
ASGS-10 300 40 40 × 40 × 5 25
ASGS-11 400 40 40 × 40 × 5 25
Specification of close mesh angle sided grate
Item Grate width (mm) Grate depth (mm) Angle size (mm) Bar spacing (mm)
ASGC-01 100 25 25 × 25 × 3 9
ASGC-02 150 25 25 × 25 × 3 9
ASGC-03 200 25 25 × 25 × 3 9

Box grates 
Box grate is a type of drainage trench cover with galvanized frame. The frame make it easy to install the box grating onto ground. There are hinges connecting the grate and frame. This design is ideal for easy cleaning of trench. The surface of box grate can be smooth and serrated to suit different applications of customers. The grate on the frame is mostly welded steel grating which is the simplest and most widely used grating type.

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Smooth surface hinged box grate.
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Serrated surface hinged box grate.
Specifications of box grate
Item Clear opening (mm)

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