95 Chancellor Dr., Roselle, IL 60172


About Us

Since 1992, we have provided flow meter calibration and nuclear industry services. Graftel offers a personalized and professional team for your equipment calibration needs. We have a fully accredited ISO-17025 in-house 900 GPM liquid and 18,000 LPM gas flow calibration lab. Our highly trained technicians can perform on-site calibrations at your facility. Reducing down time, and ensuring equipment is back in operation is always a priority of ours.
Graftel offers for sale, a complete line of modern flow meter instrumentation. This includes magnetic flow meters, non-invasive clamp on sonar based flow meters, high accuracy balanced flow meter systems, heat exchange monitoring systems, leak rate monitors, and hydrostatic testing systems. These are available in various configurations, ensuring that there is a solution to virtually any installation and application to accommodate the customers needs.
Our field testing services include flow meter calibration, heat exchanger performance testing, containment leak testing, and duct flow balancing. In addition to these services, the instrumentation systems needed to perform this testing are custom designed and offered for sale.
Graftel maintains a complete calibration lab for gas flow, liquid flow, air velocity, RH/dew point and temperature. Calibration work is accredited to ISO/IEC 17025, ANSI/NCSL Z540-1. Laboratory equipment is maintained in accordance with MIL-STD-45662A. Nuclear power applications meet 10 CFR 50 Appendix B and Part 21 requirements. Our QA program has been audited by many nuclear utilities and industrial customers.

Our Story

Our Capabilities Include but Are Not Limited to the Following Types of Equipment:

Why Choose Graftel to Calibrate Your Instrumentation?