Specifications
manhole grate1. material:ductile iron
2. Drainage system
3. Standard EN124,ISO9001:2008
Light duty ductile iron rectangle manhole grate
| Frame size (mm) | Cover size (mm) | Weight (kg) | Class | Standard |
| 545X352X30 | 530X332 | 12 | B125 | EN124 |
Casting parts | · Sand casting · Plaster casting · Lost wax casting · Investment casting |
Materials | · Aluminium casting: 319, 355, A356, · Magnesium casting: A291D, AM60B · Zinc casting: ZA-12, ZA-27 · Grey cast iron · ductile cast iron |
Production procedure | 1.Designing drawing 2.Opening mould 3.casting 4.Precision machining 5.Surface treatment : polish,electrophoresis,painting, anodizing, powder coating etc. 6.Inspection and packing |
Application | · Auto parts · Medical parts · Machine parts · Aerospace machinery parts · Ships equipment parts · Electrical parts · Furniture parts · Kitchen tools · Telecommunications |
Certification | ISO9001-14001 |
Inspection:
1. First of all the whole quality control management has been carried out during the entire process of manufacture with the assistance of computer and other numerical control equipment, which includes the raw material, production process control, final product quality control.
2. Third party inspection available upon requirement.
Main Export Market:
1. There are more than 50 customers all over the world.
2. Exported to Italy, French, Germany, Australia ,Argentina, Morocco , South Africa, and South-east Asia. All of products are manufactured in accordance with the USA and Europe standards.
3. We are manhole cover supplier of French famous purchaser Saint Gobain.
