Drainage Grid Covers for Car Washing Station Steel Drainage Cover Steel Manhole Cover

 
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                                                                     
 
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
 
3.Load capacity
1ton-50tons