Ductile Iron Manhole Cover :
1. Class: A15, B125, C250, D400, E600 and F900.
2. Design Standard: BS EN124:1994.
3. Material grade: GGG500/7.
4. Test: testing before shipping for the smooth surface and
loading.
5. Coating: coating black bitumen, or coating as customers'
requirements.
6. Certificate: BSI Kite Mark, SGS, ISO9001,BV...
Products Advantages
Anti-Theft
New five double nodular ductile iron manhole covers, manhole cover
and well adopted integrated
design,
rotary install locks. Locks and keys made of high
hardness,anti-embroidered brass prevent
locks in a day
Commonly used in the process of rust, make the manhole cover can't
open it.
Anti-Noise
vehicle by the noise.In new type adopted in the design of five
prevention covers new design concept,
make
the vehicle through the manhole cover, don't hit cap, but the first
hit well in the
edge of the circle, prevent
covers whole sinking, effectively solve the city's manhole
covers around
the side of "bad" problem.
Anti-Falling
This product in the process of bearing capacity is strong, the
experiment carrying 500 kn pressure
is not
destroyed, carrying capacity is greatly superior to national
standards (360 kn).
At the same time the eu EN124 standard requirements.Can withstand
all kinds of heavy trucks rolling,
effectively prevent the accident because of the manhole cover to
fall.
Anti-Skidding
Delicate build process make the product texture clear, covers the
surface has a unique
noslip pattern,
increase the friction, prevention because of rain, snow
and ice
covered pedestrian slip.
Anti-Sedimentation
This products' each manhole cover surface and well lifting ring are
under stress, adopting
wedge preload
type installation , no noise, have the function of
displacement, and
settlement.
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