Manufacturing Companies for Grate Manhole Cover - JG325/40/100SG – JIULONG

Ningbo Jiulong Machinery Manufacturing Co.,Ltd can produce a large variety of grating models, our supply range is listed as follows:
1. Bearing bar size: from 20mm x 3mm to 100mm x 10mm
2. Bearing bar mesh: 12.5mm, 15mm,20mm, 23.85mm,25mm, 30mm,30.16mm, 32.5mm,34.3mm,35mm, 40mm, 41.4mm,50mm, 60mm
3. Cross bar mesh: any mesh below 120mm
4. Max panel length: 7500MM
5. Max panel width: 1010mm
6. Grating type: Plain, Serrated, I Bar and Serrated I bar
7. Finish: Mill finish, Galvanized finish, Painted finish, Powder coating finish

Learn Steel Grating

1. Bearing bar pitches may be 12.5 to 15, 20, 30,32.5,34.3, 40,60mm,of which 30mm & 40mm are recommended. 
2. Cross bar pitches may be 38,50,60, to 100mm, of which 50mm & 100mm are recommended. 
3. Sign of the shape of bearing bars. F - Plain style (may be omitted in the symbol of steel grating); S - Serrated style; I – I-shape style 
4. Sign of surface treatment. G - Hot galvanizing (may be omitted in the symbol of steel grating); P - Painted; U – untreated

FIELDS OF APPLICATION :
1. Light chemical industry/Petro-chemistry/Machinery industry/Textile chemistry/Port engineering
2.Oil and grease chemistry/Agriculture husbandry/Horticulture/Steel industry/Waste disposale
3.Food processing/Aquatic breeding/Fertiliazer industry/Phamaceutical industry/Parking lots
4.Cement plants/Oil refinery/Mining and refinery/Power plants/Public utilties
5.Marine engineering/Shipbuilding/Construction material industry/Defense projects/Airport projects
6.Water plants/Sewage disposal/Paper and pulp industry/Construction industry/Transportation industry/Automotive industry
COMMON USES OF GRATING :
Flooring  Catwalks  Mezzanines/decking  Stair tread  Fencing
Vault bin floors  Ramps  Docks  Trench covers  Window and machinery safe guards 
Entilation screens  Storage racks  Suspended ceiling  Drainage pit cover  Wash racks  

Type of Steel Grating

Comparison of Feature:

Plain:One of the most widely used grating, available for flooring, sidewalk, dranage pit cover, stair tread, etc.	Serrated:Better non-skid property & safety comparing to plain grating.	I-shape:Lighter, more economical and practical comparing to plain grating.