Trench covers

Unique features

1.Attractive appearance : clear and smooth figure, silvery appearance, modern-styled.

2.Optimal drainage: Leaking area can reach 83.3%, which is as twice as cast iron.

3.Galvanized surface: rust-proof, anti-corrosion,Maintenance convenient.

4.Economical: much more cheaper than cast iron.

5.Heavy-duty and large loading-bearing capacity, can be used in wharf,airport etc.

Application

urban road, public squares, gardens, wharf, airport, parking, highway, railway, 

industrial engineering and so on.

Type of bearing bar

W--welded steel grating   L-- pressure-locked   C-- socket-welding

Bearing bar centers:

15-30, 40, 60, 80, 90 mm etc. with 30, 40 mm recommended.

Cross bar centers:

any greater than 30mm is ok. with 50, 100mm recommended.

Surface treatment:

G - galvanized

P - painted

U - untreated

Grating standard:

China:   YB/T4001.1-2007(YB/T4001.1-1998)

Britain:   BS4592-1:1995

US:      ANSI/NAAMM(MBG531-93)

Austrilia:  AS1657-1992

Marks:

Example: G 325/30/100 WFG