Galvanized Steel Manhole Cover Grating

Specifications                                                                                                                                                  

 

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                                                                     

 

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.

 

 

2.shape of bearing bar:
serrated bearing bar, plain bearing bar,I type bearing bar

 
3.Load capacity
1ton-50tons