Laboratory Spectrometer - Compete material test reports are available for all Warren valves and on all factory pipe, fittings and flanges. In addition to standard material testing performed at the manufacturing level, we maintain a spectrometer at our headquarters in Houston, Texas, for the in-house ability to issue certificates of chemistry which increases customer confidence and allows for a high level of quality control.

All material test reports are permanently maintained and always available through our MTR software.

Valve Testing - At the production level Warren valves are tested to and inspected to API 598 and MSS SP55 applicable standards as further outlined in our Warren valve catalog.

At our headquarters in Houston, Texas we can additionally perform any witness testing along with any other special testing that our customers may require.