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Dimension:
THE DIAMETER OF COVER(MM) |
DEPTH OF INSERTION (MM) |
TOTAL WEIGHT(KG) |
700 |
30 |
25 |
600 |
30 |
21 |
500 |
30 |
14 |
400 |
30 |
9 |
More Details:
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Brand: YouRuo Place of origin: HangZhou city,ZhengJiang Province,CN Material: SMC Colour: Generally black;optional Certificate: IS09001: 2015 Service life: 50 years Lock style: screw Working temperature: -40℃ to 100℃ Customized/OEM: Accepted FOB port: NingBo Port Packing: Standard export wooden pallets Supply ability: 200,000sets per year Application: Construction,Public |
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The Advantage Of Composite Cover:
♦ Anti-theft valve because of Non-recyclable materials
♦ ECO-friendly
♦ Non-conductive to electricity
♦ No metal fatigue
♦ 30-60% lighter than the equivalent cast iron model
♦ Resistant to corrosion, decay ,acidic waters and static
♦ Long life
♦ Usable in any kind of environment, climate and temperatures
♦ Lightweight but resistant to high pressure covers
♦ easy maintenance
♦ Variety of colors and designs as for city beautification
♦ Prevent from producing sound when the vehicle passes through the covers
Main Problems Of A Manhole Cover
Broken hole and fracture
Being run over by a heavy vehicle and fly out
Falling into the manhole cover,which is caused by the failure of the cover or the inclination of the supporting surface
Loose manhole covers or rotten rubber gaskets may cause noise pollution
The burrs triggered a flat tire
Being stolen
http://www.smcmonholecover.com/