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.
Type of bearing bar |
25x5x3,32x5x3,38x5x3,50x7x4,60x7x4,...75x7x4mm |
| Pitch of bearing bar |
12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40, 41, 60 mm |
| Pitch of cross bar |
38,50,76,100,101.6mm |
2.shape of bearing bar:
serrated bearing bar, plain bearing bar,I type bearing bar
Specifications
Type |
GT type, GU type, GM type or customization |
| Material |
Low Carbon Steel or Stainless Steel |
| Surface treatment |
Hot-dip galvanizing or painted |
| Standard |
YB/T4001.1-2007, ANSI/NAAMM, BS4592, AS1657 |
| Application |
draining well, park and civil projects, etc |
1) GT type
This kind of trench drain grating cover is used on ordinary side trench and transverse trench.
2) GU type
This kind of trench drain grating cover can be directly built over U type trench without a frame or support.
3) GM type
This kind of drainage pit cover is widely used in streets and factories.
Trench drain grating cover introduction
6.our company profile
Hebei Jiuwang Metal Wire Mesh Co.,Ltd.(original Anping County Jintai Metal Mesh Co.,Ltd.).Established in 1992,our company is a manufacturer of large steel structure and steel gratings,integrating development,production and distribution.The company register capital is 10,080,000 Yuan,and take an area of 34,680 square meters.In 2003,we have got the ISO9001:2000 certification by BQR.
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