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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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