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

hualian 2. Steel Grating Specification

Material	Mild steel / carbon steel / stainless steel plate: Q235B, ASTM A36, S275JR etc.
Specification	All the trench covers can be customized Bearing bar: from 253mm to 1008mm 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