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  • Trench Cover Box Grate with Supporting Bar

Trench Cover Box Grate with Supporting Bar

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Trench Cover Box Grate with Supporting Bar

Trench Cover Box Grate with Supporting Bar


GratingStandardMaterial StandardHDGStandardHandrail Standard
YB/T4001-2007GB704-88GB/T13912-924053.3-93
ANSI/NAAMMASTM (A36)ASTM (A123)
BS4592-1995BS4360 (43A)BS729BS6399/BS6180
AS1657-1992AS3679AS16501650-1985


NoItemDescription trench drain grating cover 
1Bearing bar25x3,25x4,30x3,30x4,30x5,32x5,40x5,50x5,.....75x10mm
2Bear bar pitch12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40,41,60mm. US standard: 1"x3/16", 1 1/4"x3/16", 1 1/2"x3/16",  1"x 1/4", 1 1/4"x 1/4", 1 1/2"x 1/4" etc.
3Cross bar pitch30.38.1, 40,50, 60,76,100,101.6mm
4MaterialQ235, Q235, A36, SS304,SS316,
5Surface treatmentBlack, hot dipped galvanizing, painting 

Trench Cover Grates & Frames is divided into two parts, the trench cover grate and the frame. The grates consist of the bearing bar and the cross bar.  Steel Galvanised Frames are deigned to give maximum opening, and when set in concrete, provide a strong solid base for grates to rest on.

ItemsFeatures
1Good appearance: simple line, silvery surface, modern design.
2Optimized drainage effect: water leakage area upto to 83.3% which is twice of the iron castings.
3HDG: superior rust protection, free of maintenance and replacement. 
4Anti-theft design: Covers and frames are connected by hinges providing safe and convenient application
5Save project investment: lower price and lower maintenance cost compared to iron castings.
6High strength: higher strength and durability than iron castings, suitable for using in larger spacing and heavier loading conditions such as the docks and airports.
7They are available in various types to satisfy the need for different environment, loading, spacing, and configuration.


Trench Cover Box Grate with Supporting Bar


Advantage 

1.Steel Galvanised Frames are deigned to give maximum opening, and when set in concrete, provide a strong solid base for grates to rest on

2.Steel Galvanized Trench Grate and Frame design allows for grates to be bolted together or bolted down to the frame to minimize noise pollution.

3.Steel Galvanised TRENCH GRATE and ANGLE FRAME is the simplest, neatest, most economical