Nodular cast iron composite manhole covers

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
500 m.t./month

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Product Description:

Material: ductile iron QT500-7

Tensile strength: 500 n / 2 MM

Elongation rate: 7%


Spraying: ductile iron manhole covers on the surface treatment is the antirust bituminous paint spraying, the treatment is commonly used coating of casting.

Packing: packed in wooden pallet, steel bar


Knot, external plastic film

Process: sand casting, pure manual model


Our company covers has the following features:

1, the environmental noise. No noise, the product of environmental protection board and box after lathe processing, can make the plate and frame to 100%.

2, high load capacity.

3, security ability. This product adopts double security design, anti-theft performance is better, more powerful guarantee traffic safety.

4, long service life. The product of guard against theft, prevent noise set is firm, durable.


This product applicability is wide and can be used in tap water in urban construction, municipal drainage pipeline inspection Wells, heating, gas inspection Wells, postal services, telecommunications, communications, cable pipe Wells, power line well, street lamps, well well, fire control, all kinds of valves, anti-corrosion project, open ditch cover plate, and can be manufactured according to customer's special needs.


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