500*340-73 SMC Gully Grating Manhole cover set D400 /rectangle manhole cover /grp manhole cover
Negotiable /Set
Min.Order:50 Sets
Zhejiang Taizhou Triunion Co., Ltd.
500*300*40 Gully Grating SMC Manhole Cover C250 /rectangle manhole cover /grp manhole cover
756-100 smc manhole cover set D400 /composite manhole cover /grp manhole cover
756-100 smc manhole cover set C250 /composite manhole cover /grp manhole cover
660-60 smc manhole cover With Lockable Bolt set C250 /composite manhole cover
510-60 SMC Manhole Cover set A15 /composite manhole cover / grp manhole cover
Advantages
1.Light weight
product weight is only about one third of cast iron, easy to transport, install, repair, greatly reducing the labor intensity.
2.environmental protection
composite resin as raw material ,non-toxic, save energy,noise reduction ,no harmless to user.
3. High strength
its strength is ten times as rigid PVC, much higher than the absolute strength of aluminum to achieve the level of ordinary steel
4. Corrosion-resistant
it stainless, no mold, no rot, no paint, the ability of many gas, corrosive liquid medium
5. Safety and security
covers the installation and use of composite materials, the process will not crash and have a spark, especially for use in explosive environments, in addition, the covers with non-slip surface to prevent sliding down to reduce accidents.
6. The overall economic good
with more than ordinary carbon steel, composite material covers integrated, low cost, although its one-time investment than ordinary carbon steel, because of its long life, and can be used two decades, and no maintenance, thus The overall economic efficiency is much better than using carbon steel.
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