Brochure

6
Selecting the Best
When you select Roots Blowers, Compressors and
Controls for your wastewater aeration operations,
you get high quality, robust, trusted and reliable
technology and solutions.
The combination of energy efficiency, improved pro-
cess performance and quality will deliver a low total
cost of ownership.
Energy Savings

Save 25% to 40% compared
to manual control

Reduce consumption and
demand charges

Assistance in obtaining
utility rebates

Most Open Valve control

Minimize system pressure

Coordinate aeration demand
and blower supply air flows
Direct Flow Control

Eliminate pressure control
loops

Simplified tuning

Increased stability

Reduce energy consumption
5% to 10%
Variable Speed Control

Positive displacement blowers

Multistage centrifugal blowers

Single stage centrifugal blowers

Combine with variable diffuser
vanes for optimum efficiency
Direct Valve Position Control

Eliminate 4-20 mA positioners

Reduce equipment and wiring
costs

Reduce calibration and
maintenance
Application Engineering

Design assistance

Analysis of existing operations

Savings calculations

Simple and complex processes

Single basin, multiple basin,
and individual grid control
Service Contracts

Preventive maintenance

System monitoring and tuning

On site field service
Energy Reduction Opportunities

Integrated aeration systems

Aeration process and blower
control

Blower control and protection

Communications with SCADA
systems

Revamp

Blower optimization and
rebuilds

Use existing controllers and
field devices

Upgrade existing control logic
wastewater OEMs

Blower and control packages

Integrate with OEM processes
Technology Options

IntelliView
*
process controller

PLCs (various)

Direct flow control

Dissolved Oxygen (DO)

Most Open Valve (MOV)

Pressure control

Direct valve control

Efficient application specific
control algorithms

Variable speed control
Roots Wastewater Controls offer: