600mm dia cover for sewage application, Odor-proof manhole cover, sealed manhole cover_600mm dia cover for sewage application, Odor-proof manhole cover, sealed manhole cover,Sewage sealing composite manhole covers and frames

Sewage contains a large amount of organic matter and gases, which can easily produce unpleasant odors and cause adverse effects on the surrounding environment and personnel. At the same time, there may be various bacteria, viruses, parasites and other pathogens in sewage, which can be spread through the air.

There are two commonly used sewage manhole covers, one is a 600mm×600mm dia square manhole cover, and the other is a 600mm dia round manhole cover.
At the same time, the requirements are sealed manhole covers, manhole covers with anti-odor function, manhole covers with locking, and highly corrosion-resistant, anti-static composite manhole covers and frames.

Round Composite Manhole Covers
Clear open: ∅600mm(23.7") Load Ratings:D400

Square Composite Manhole Covers
Clear open: 600mmX600mm(23.7") Load Ratings:D400



BETTER COVER 600mm dia sealed composite manhole cover can effectively solve:

1、The use of BETTER COVER 600mm dia composite manhole cover with better sealing performance can isolate the direct contact between sewage and outside air, reduce the chance of gas exchange, and thereby reduce the generation of odor.
2、Using BETTER COVER 600mm dia composite manhole cover with better sealing performance can effectively prevent odor from entering the outdoor air through the gap in the cover and reduce the spread of odor.



Thereby improving the environment, reducing the impact of sewage odor on the lives of surrounding residents, and preventing pathogens in sewage from spreading through the air to protect people's health.

Why must the manhole cover used have a locking structure?

BETTER COVER composite manhole covers and frames feature locking construction. The round composite manhole cover and frame have 3 locks, and the square composite manhole cover and frame have 4 locks.

1. Ensure that the manhole cover is closed to prevent sewage from overflowing and causing pollution to the environment.
2. The bottom of sewage wells is usually deep, and manhole covers play an important protective role. BETTER COVER composite manhole covers and frames are made of composite materials and contain zero metal. The manhole covers and frames have no recycling value, avoiding safety hazards caused by theft. .
3. The locking structure of the manhole cover can ensure that the cover does not shift when the manhole cover is impacted by external forces, such as being rolled over by a vehicle or hit by an object.