الوصف

1. Flat steel: material is Q**5A or stainless steel, there are Ordinary planar, non-slip gear type and section I type. Common specifications are *0mm×5mm、*5mm×5mm、*5mm×3mm、*2mm×5mm、*2mm×5mm、*0mm×5mm、*0mm×3mm、*0mm×5mm、*5mm×5mm、*5mm×6mm、**0mm×8mm、**0mm×*0mm and so on.
2. Bar: the round, twisted square steel, square or hexagonal steel made of Q**5A, or **4 stainless steel. Twisted square steel is made by the rod drawing and twisting, the common specifications are 5mm×5mm, 6mm×6mm, 8mm×8mm and so on. Features of Gully Cover： 1. High strength, light structure, solid mesh Press-locked structure, high bearing, easy loading and other features.
2. Beautiful appearance, durable:Hot-dip zinc surface treatment so has very good corrosion resistance, surface gloss appearance.
3. Ventilation, lighting, cooling, explosion-proof, non-slip performance.
4. Optimized Draining Design: Water draining area amounts up to *3.3%, which is equal to twice of the cast iron product. No accumulation of dirt, rain, snow and water, self-cleaning, easy to maintain.
5. Anti-thief gully cover, the angle frame is cast in reinforced concrete, and then put steel grating into the angle frame. 
6. High Strength: Much higher strength and ductility than cast iron and applicable to environments of large span and heavy load such as docks and airports, etc. 
7. Various Types: Can meet different environment, load, span and shape requirements, and can be customized based on provided size and shape. Gully Cover Load Table：
Pressure：Light: *5 tons /㎡
Heavy: *0 t /㎡
Super Heavy: **0 tons /㎡ The scope of gully cover:
Light: Car, pedestrians on campus, residential parks, park, underground parking and kitchen.
Heavy: Below *0 tons car-free plant, the general road, trunk road, parking and streets.
Super Heavy: Trunk roads of Heavy-duty trailer, container cranes and aircraft; Large parking lot, mines, docks and airports. Application：Widely used in municipal roads, garden facilities, residential quarters, schools, sports management and other different places. 1. Steel grating gully cover can be used in the sidewalk, driveway, patio or the building ground, as the ditch, pipe trenches, underground passage, air shaft, light wells, manholes and other cover.
2. Steel grating gully cover is usually composed of fixed frame and activities steel grating cover. The frame can also be produced on site, and the cover provided by the manufacturer.
3. Steel grating gully cover can be used in roads, parks and other municipal facilities, as water wells, lower wells, water wells.