Graftel is an engineering firm providing support, instrumentation and calibration services. For 10 years Graftel's innovative products and services in the area of leak detection, have proven to save time and money. Our services specialize in flow calibration, however other calibration services are available to help you in your needs. Graftel maintains a complete calibration lab for flow, pressure, RH/dew point and temperature. All calibrations are traceable to NIST standards.
By use of our uncertainty analysis, calibration accuracy as tight as 0.2% of reading may be performed.

Graftel also provides the services listed below

- pressure drop testing, liquid and gas flow systems.
- material environmental qualification with respect to temperature, humidity and corrosives.
- material aging tests of elastic materials in specified environments
- material corrosion testing.
- leakage rate testing of valves, resilient seals, hatches, electrical and mechanical penetration seals.
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