New E-Forms: OPV Drop Tube Calculation

A new electronic version of the Defender Series™ Overfill Prevention Valve Installation Worksheet is now available. This includes a recently updated 95% volume height worksheet, to help ensure that the valve is installed at 95%.

This worksheet can be downloaded and completed by typing values and calculations directly into the form. You can then save the completed worksheet as a digital file or print it out for a clean and legible worksheet.

Download the interactive worksheet here.