400x500mm Drain Grated with Standard Quality

Dimension: 400x500mm

Pass load 30tons

1.Perfect appearance

2.Better drainage: water leakage area is 83.3%, which is more than twice of cast iron.

3.Design of anti-theft: no later recycle value,anti-theft,safety and easy to open.

4.High strength: load bearing capacity can reach 90tons.

5.Good weather-ability: corrosion resistance; acid-alkali resistant.

Zibo Best Energy-saving Materials Co., Ltd. Specializing in composite Manhole Cover, Trench Cover, Drain Grated and cable cover. More than 12 years experience and easy to get professional technical.

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