China Anping Galvanized Steel Drainage Cover

 

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

If any inquiry feel free to tell the exact specification.

1.Own independent three press-welded steel grating machine and we have our own biggest galvanization product line in local market for 20 years experience.
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,automatic robot welding machine,the grating quality get more perfect and price more competitive!