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Title  Manhole Cover For Preventing Rainwater Inflow
Product name  Manhole Cover For Preventing Rainwater Inflow
Certificate  
Model name  Manhole Cover For Preventing Rainwater Inflow Company  HANYANG ENGINEERING CO LTD
Telephone  031-755-9166 Homepage  http://www.manhole119.com
Email  manhole119@gmail.com Application Part  
Main image  211(1).jpg  Date  2017-11-21 PM 2:41:25
Contents  Product Description

Structure: Manhole frame+Safety Ring+Manhole cover

Outline
Rainwater inflow into manholes on sidewalks or streets requires pumping water causing awesome noise which gives people lots of troubles every year. So, a study has been carried out to get rid of above troubles.



Features

1)Environment
-The water does not enter into a manhole(Water pollution and groundwater pollution prevention)

2)Safety
-Fixing a assist cover (Safety ring) can prevent casualties or car accidents by its upset, leaving, breakdown or abrasion etc

3)Waterproof
-The rubber pack between the fixed cover ring and the main cover works as a soldering
-The rubber pack prevents water inflow and bad smell
-Water proof can save cost by saving drainage flow over 20% in rainy season
-No water inside manhole can save budget for maintenance and service etc.

4)No noise
-Even the fixed cover ring (cast) and the main cover are inclining loaded, the mechanical couble closing structure and the rubber pack prevents a distance height and noise
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