Heavy Duty Triangular manhole cover with 2 covers

Triangular manhole cover with 2 covers Specification:

Application: Public service, construction, sewage disposal system, municipal engineering

Shape: Round, Square, Rectangle and Triangle 

Coating: Water-based epoxy prime paint

Processing: Sand casting

Delivery Detail: Within 7-30 days after we receive the order

Material: GGG500 

Certificate: BS EN124:2015, ISO9001:2008, ISO14001:2015, ISO45001:2018

Tensile strength：≥500Mpa

Yield strength: ≥320Mpa

Elongation rate: ≥7%

Hardness: HBS170-230

Material: ductile cast iron

Surface treatment: non slip surface

Design feature: anti-theft or according to your requirment

Loading Grade: A15, B125,C250, D400, E600,F900

Triangular manhole cover Package: Iron pallet, or as per customers' requirement

Inspection of Triangular manhole cover with 2 covers 

A)Inspection by our factory

B)The third party inspection

IS09001:2015 issued by SGS

BS EN124-1 and BS EN124-2 Certificate issued by TUV

ISO14001:2015 Certificate

ISO45001:2018 Certificate

Triangular manhole cover with 2 covers deliveried by sea

FAQ:

1. What is the qualify assurance we provided?

We have a testing laboratory to check products at all stages of the manufacturing process-raw materials, process materials, validated or tested materials finished goods. Beside, we have Pressure Test Machine to test the load and permanent deformation. So we successfully get the ISO9001:2015 issued by SGS.

2. How do we control quality?

100% inspection in assembly lines. All controls, inspections, equipments, test machines, total production resources and skills are inspected to ensure they consistently achieve the required quality levels.

3. Why do you choose us to cooperate?

1.Our company is the factory, the best direct price.

2.Customized products according to customers’ drawing.

3.Our manufacturing unit has 21 years records and rich manufacturing experience.

4.Professional Cast Technology.