In water and wastewater treatment facilities, flow control is made by covers. There are 4 different cover types.

Channel Type Covers

• 
• 
• 

They are used to control water flow and the mountings are made into channels. These covers move upwards as the wall covers do.

They are manufactured as electrically actuated covers, pneumatically actuated covers or manually actuated covers.

Covers are produced and designed according to the desired measurements.

Wall Type Covers

• 
• 
• 

In order to control water flow, They can be mounted on wall as rectangular, square and circular shape or They can be mounted on the start and end points of the channels.

They are manufactured as electrically actuated covers, pneumatically actuated covers or manually actuated covers.

Covers are produced and designed according to the desired measurements.

Sluice Type Covers

• 
• 

These covers are mounted on the wall and are usually used for the leveling.

They are manufactured as electrically actuated covers, pneumatically actuated covers or manually actuated covers.

These covers are used for leveling and they move downward.

Wall type covers move upward.

Stoplog

Stoplogs are used rarely in the places where flow control is needed. They are more economical than the other covers.