What is the Meaning of Inspection Manhole Cover?
Inspection Manhole Cover
Manhole covers are used to cover roads or deep wells at home to prevent people or objects from falling. According to the material, it can be divided into metal manhole covers, high-strength fiber cement concrete manhole covers, resin manhole covers, etc. Generally, round shapes are used. Can be used in green belts, sidewalks, motorways, docks, alleys, etc.
Technical Parameters
Technical parameters test load: heavy duty 400KN, common type 250KN, light duty 125KN
Bending strength: average 22MPa Impact strength: average 10J/m2
Water absorption rate: 1%
Acid resistance: sample at 20%
Soaked in sulfuric acid solution for 48 hours, no corrosion on the surface, 1% mass loss
Performance characteristics
- High strength: It has high compressive, bending and impact resistance, and is tough. After long-term use, this product will not cause the manhole cover to be crushed or damaged, and can completely prevent the occurrence of “urban black hole” accidents.
- Beautiful appearance: The surface pattern of the inspection manhole cover is exquisitely designed, the color is bright and adjustable, and it beautifies the urban environment.
- Easy to use and light in weight: The weight of the product is only about one-third of that of cast iron, making it easy to transport, install, and repair, which greatly reduces labor intensity.
- Anti-theft: The manhole cover has no recycling value and is naturally anti-theft; it has a locking structure according to customer needs to prevent theft of property in the well.
- Strong weather resistance: Through scientific formula, advanced technology and complete technical equipment, the inspection manhole cover can be used normally in the environment of -50℃~+300℃.
- Resistant to acid and alkali, corrosion, wear, vehicle rolling, and long service life.
Eternal Bliss Alloy Casting & Forging Co, Ltd.
Caesar
E-mail: sales@ebcastworld.com
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