China China OEM Aluminium Gravity Die Casting - 700*50mm Composite Round Manhole Cover – Mingda factory and suppliers

China OEM Aluminium Gravity Die Casting - 700*50mm Composite Round Manhole Cover – Mingda

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China OEM Aluminium Gravity Die Casting - 700*50mm Composite Round Manhole Cover – Mingda Detail:

Product Description

The main material is one kind of Fiberglass / Glass-fiber Reinforced Polyester (FRP / GRP), with supplementary materials, such as: calcium power, poly-styrene, reinforcing steel bar and etc., the process is compression moulding method, using special steel mould, pressurized by hydraulic pressure machine with heat 180~220 Degree.

More excellence for composite resin material:
1. Against theft: the Regenerated Resin material is no use for 2nd time, thus no recycled if stolen it
2. With good loading capacity, it has strength as steel products, but more tenacity, it will not brake into pieces
3. Long service working life than iron products`
4. Suitable for any temperature
5. The unit weight is lighter than iron material`s at the same size & loading
6. Sealed better between the cover & frame than iron material product`s, so, no noise pollution in using
7. Various color for good decorative effect
8. Good wearable performance, good corrosion resistance, good insulation and never rust. There is more using area than iron products.

Application:
Suitable for using in footway, pavements, carriageway, parking area as same as iron products`, and more, in corroding areas such as: chemical factories, in watery area such as: park, garden, even under-water, etc.

The specification for round manhole cover

sectional view

specification	Load level	d=mm	P=mm	D=mm	h=mm	H=mm	Carrying capacity
800×θ700	P-type	700	645	800×800	50	80	20T
800×θ700	P-type	700	645	800×800	50	80	20T
900×θ750	P-type	750	700	900×900	50	80	15T

round manhole cover

composite manhole cover

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With reliable excellent approach, great name and ideal consumer services, the series of products and solutions produced by our company are exported to many countries and regions for China OEM Aluminium Gravity Die Casting - 700*50mm Composite Round Manhole Cover – Mingda , The product will supply to all over the world, such as: Congo, Sri Lanka, Amman, We have been in operation for more than 10 years. We are dedicated to quality products and consumer support. We currently own 27 product utility and design patents. We invite you to visit our company for a personalized tour and advanced business guidance.

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