Loading Port:China Main Port
Payment Terms:TT or L/C
Min Order Qty:20 Tons m.t.
Supply Capability:600 Tons m.t./month
Ductile iron Manhole cover ---Class A15
Class A 15 (group 1 according to EN124)
The access covers and grates of this class are capable of withstanding a 15kN (~1.5 tonnes)test load.
Usage of Ductile Iron Manhole Cover :
Pedestrians, Pedal Cyclists
Features of Ductile Iron Manhole Cover A15:
1. High load rating and strength
v Similar hard property as cast iron, while have a overwhelming advantage on stretch recovery.
v Less noise and lower vibration transmissions.
2. Against theft and safety options
v Zero theft value, reducing potential accident and further maintenance cost caused by thieves.
v Surface anti-slip thread guarantees safe road condition even in extreme weather.
v Locks are available as an option molded into the cover to improve security rate.
v Non-electricity conduction and non-heat conduction.
3. Lightweight
v Compared with cast iron manhole covers, composited covers are 50% lighter.
v Lightweight allows more loading per vehicle, more convenient transportation and economical saving.
v Allows a safer working condition, which a SINGLE worker is enough when installation without risk of injury.
4. Durable service life.
v More than 30 years service life without crack and color fading, comparing to 5 years of cast iron.
v Anti corrosion,water, dust and pets tight, well sealed prevent poisonous gas leaking out.
v Without displacement, freely radio signal passing.
v Higher and lower temperature tolerance with the range -40°C-200°C.
v Wear indicators available when thread depth is in a danger value.
5. Free design
v Much more clear resolution ratio of surface design than cast iron or BMC.
6. Carbon footprint saving and environmental care.
v Lower embedded energy carbon emission and during manufacturing process than cast iron covers.
Packaging of Ductile Iron Manhole Cover A15 :
Metal band, plastic, wooden pallet
Technical Data of Ductile Iron Manhole Cover
Loading pressure | Clear opening mm | Frame size mm | Frame size mm | Weight kg |
A15 | 150*150 | 200*200 | 200*200 | 2.8 |
A15 | 200*200 | 250*250 | 250*250 | 4.5 |
A15 | 250*250 | 300*300 | 300*300 | 6.3 |
A15 | 300*300 | 350*350 | 350*350 | 9 |
A15 | 350*350 | 400*400 | 400*400 | 12 |
A15 | 400*400 | 450*450 | 450*450 | 15 |
A15 | 450*450 | 530*530 | 530*530 | 22 |
A15 | 450*600 | 530*680 | 530*680 | 28 |
A15 | 600*600 | 680*680 | 680*680 | 32 |
A15 | 180*180 | 303*303 | 303*303 | 4.4 |
A15 | 228*228 | 353*353 | 353*353 | 7 |
A15 | 278*278 | 398*398 | 398*398 | 8 |
A15 | 382*382 | 505*505 | 505*505 | 12 |
A15 | 482*482 | 606*606 | 606*606 | 18 |
A15 | 576*576 | 706*706 | 706*706 | 30 |
A15 | 676*676 | 808*808 | 808*808 | 38 |
Delivery Detail of Ductile Iron Manhole Cover A15:
15 days after receiving the deposit.