mobile  008615122904795 Â
Specifications                                                                                                                                                 Â
| Type |   GT type, GU type, GM type or customization                       |
| Material |   Low Carbon Steel or Stainless Steel  |
|    Surface treatment   |   Hot-dip galvanizing or painted   |
| Standard | Â Â YB/T4001.1-2007, ANSI/NAAMM, BS4592, AS1657 |
| Application | Â Â draining well, park and civil projects, etc |
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1) GT typeÂ
This kind of trench drain grating cover  is used on ordinary side trench and transverse trench.
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2) GU type
 This kind of trench drain grating cover can be directly built over U type trench without a frame or support.
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3) GM type
 This kind of drainage pit cover is widely used in streets and factories.
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 Trench drain grating cover introduction                                                                    Â
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1. Steel grating is made of bearing bar and cross bar,  placed horizonatally anvertically, and at an equal pitch       apart, by welding with 200-ton hydraulic resistance automatic automatic welding equipment, then                       cutting,punching and banding ends.
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| Type of bearing bar | Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 25x5x3,32x5x3,38x5x3,50x7x4,60x7x4,...75x7x4mm |
| Pitch of bearing bar | Â Â Â Â Â Â Â 12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40, 41, 60 mm |
| Â Pitch of cross bar | Â Â Â Â Â Â Â Â 38,50,76,100,101.6mm |
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2.shape of bearing bar:
serrated bearing bar, plain bearing bar,I type bearing bar
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3.Load capacity
1ton-50tons
WHY CHOOSE OUR COMPANY
1.Own independent three press-welded steel grating machine and we have our own biggest galvanization product line in local market
2.profession design and drawing teams customize based on customers'requirement
3.ISO9001 Certificate
4.Located in Anping wire mesh base Hebei province,near from Beijing airport,Tianjin sea Port!
5.Now we adopted automatic bending machine, robot welding machine,the grating quality get more perfect and price more competitive!
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