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Our robust, American-made air compressors and vacuum pumps lead the industry in longevity and durability. You’ll be impressed with our large selection of efficient and reliable compressed air system products. We guarantee it!
The Right Solution for Your Application… No Matter What
No cookie-cutter systems here. We have a large selection of products and the flexibility to create highly customized systems. Rogers Machinery serves a wide variety of industries and facilities – including ones like yours.
Bridge City Steel was able to get energy savings of over 55,000 kWh annually, electrical cost savings of $4,000 annually and a simple payback of 2.1 years through the implementation of a reliable, clean compressed air system.
February 05, 2013
In January 2012, Bridge City Steel, a precision steel cutting shop and steel wholesaler purchased a new laser cutting table for their Portland, Oregon facility. Their 25 hp shop air compressor was able to supply ample compressed air to maintain pressure to the new state of the art cutting table. It was noted through periodic observation of the percent capacity gauge, the air compressor was very lightly loaded, which is an indication of the potential for energy savings.
Rogers Machinery was selected to perform a streamlined energy audit of the existing baseline system. The power (kW) consumed by the compressor as well as the flow (cfm) was calculated by using a current transducer collecting amperage data every 15 seconds for a seven day period.
The data showed significant periods of low compressed air demands; however, high demands were seen when the new laser machine was in operation. These events made it obvious the larger 25 hp compressor was sized properly. It did, however present an opportunity for energy savings by installing a VFD to be able to slow down the air compressor and save energy during significant amount of time when the system was running at less than full capacity.
After the new system was properly installed and tuned, Rogers Machinery returned to verify the savings through the same process as before, by calculating power and flow using the same current transducer method over a typical week-long period.
Founded in 2006, Bridge City Steel, located in Portland Oregon, is a growing producer of laser, plasma and flame cut steel parts using the latest cutting and forming technologies. Additional services include heavy plate processing and a large inventory of plate stock, in various metals and thickness.
Energy Savings of 55,000 kWh annually.
Electrical cost savings of $4,000 annually.
Simple payback of 2.1 years after incentives.
Reliable, clean dry compressed air.
The decision to proceed with the project was based on several factors:
Annual energy savings
Incentives provided by Energy Trust of Oregon were administered by Cascade Energy s Small Industrial Program. At the time of this project’s implementation, Energy Trust paid $0.25 /kWh or 50% of the project cost, which ever is less. An additional 10% incentive was offered as a short-term kick-start bonus.
The lucrative incentive program helped to provide the extra push to move the project forward. Incentives reduced the simple payback from 5.9 to 2.1 years. A return on investment upper management thought was worthy.
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