Case Studies

Users & Systems





1. Site Information
Site Allied-Locke
Contact Person Larry Gebhardt
Title Director of Engineering
Address 1088 Corregidor Road
City Dixon
State IL
Zip 61021
Country USA
2. Business Type
Product Description Chain and Sprockets
SIC 3469, 3568
3. Air Compressor
Featured Air Compressor
Manufacturer GrimmerSchmidt
Package Model NG-400 (2)
Engine Model NA
Engine Rated Power (hp) 100
Air Capacity @ Full Load (acfm) 440
Air Pressure @ Full Load (psig) 125
Summary of all air compressors at site 2-NG400 Grimmer Schmidt, gas engine drive1-Gardner-Denver, 150 hp, 760 cfm, electric

1-LeRoi, 100 hp, 500 cfm, electric

1-Sullair, 75 hp, 375 cfm, electric

1-Sullair, 50 hp, 250 cfm, electric

4. Performance
Energy Consumption 39,848 therms/year
5. Duty Cycle
Shifts per Day 9-18 hours/day
Days per Week 5 days/week
Weeks per Year NA
Hours per Year NA
6. Costs
Capital $74,000 for compressors. $12,000 for air drier
Installation $20,000, which included a 4″ feed line
7. Purchasing Decisions
Who were the decision makers? President and vice-president
Why were gas air compressors chosen? Savings compared to the cost of electricity and NIG incentive
Did gas system replace electric unit? Yes
Would another gas unit be purchased? Yes
What are estimated savings? $21,000/yr (conservative)
What economic guidelines were used? Payback
8. Customer Satisfaction
Overall Customer Satisfaction (1 to 10 with 10 being highest) 9
9. Notes
Heat recovery not installed but viewed as a cost-effective option.Maintenance: $200/wk ($175 labor, $25 supplies)
Source of Case Study Northern Illinois Gas