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:  Fountain Nozzles, wholesale nozzles, fountain parts Wuxi Jinshanghua Environmental Equipment Co., Ltd , https://www.jshfountain.commobile 008615122904795   Â
Specifications                                                                         Â
Type
  GT type, GU type, GM type or customization            Â
Material
  Low Carbon Steel or Stainless Steel Â
  Surface treatment  Â
 Hot-dip galvanizing or painted  Â
Standard
 YB/T4001.1-2007, ANSI/NAAMM, BS4592, AS1657
Application
 draining well, park and civil projects, etc
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
serrated bearing bar, plain bearing bar,I type bearing bar
Model NO.: G405/40/100
Trade Type: Manufacturer, Customize
Payment: Tt LC
Product Name: Galvanized Trench Cover Grating
Trademark: Jiuwang
Specification: G325/40/100
Origin: Hebei Anping
HS Code: 7308900000