©2024 Yantai Hualian Steel Structure Co., Ltd All Rights Reserved. 鲁ICP备15045077号

ADD: No. 276 Xingfu Middile Road, Zhifu District,
         Yantai City, Shandong Province, China
Tel: +86-535-6388735


Hualian Steel Structure

Hualian Steel Structure

Product name

Mild Steel Material Open and Closed Type Hinged High Quality Drainage Gutter Covers

Product description

1. Trench Cover Brief Introduction

Compared with traditional gratings trench covers, the open and closed hinged checkered plate drainage covers are made of flat bars instead of cross twisted bar, shorten the bearing bar space, but enhance the stress areas, and also women walk normally even though they wear stilettoses.Meanwhile, it is convenient for Maintenance and dredging. This style of gutter covers are widely used at Singapore market.

Type: Trench cover

Specification: 600 x 300mm

Bearing bar size: 25 x 6mm

Transveral bar size: 25 x 8mm

Angle frame size: 50 x 50 x 4.5mm

Checkered plate size: 3mm

Grating frame size: 44 x 8mm

Opening and closing angle: 90 degree

hualian2. Steel Grating Specification

Material  Mild steel / carbon steel / stainless steel plate: Q235B, ASTM A36, S275JR etc.

All the trench covers can be customized  

Bearing bar: from 25*3mm to 100*8mm

Bearing bar pitch: 12.5, 22, 25.4, 30, 34, 40, 41, 60mm etc.

Cross bar: 5mm,6mm,8mm, round or twisted bar 

Cross bar pitch: 33, 38, 50, 76, 100mm

Galvanization Standard ISO 1461; ASTM A123; GB/T13912:2002
Package seaworthy package
MOQ 100 pcs

All the trench covers can be custimized as per your requirements.

3. Similar Trench covers

Type A-Hunged with checkered plates

hualianType B-Hinged Grating

hualianType C - Without Grating Frame

hualianType D- Without Grating Frame


If you want to get more detail information, please feel free to contatc with us.

contact person:Amber Wu

Phone/whatsapp: +86 18562239900


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