The VBAT-X105 tanks are ASME UM stamped for use in countries such as the US and Canada who base their pressure vessel laws on ASME Section VIII, Division 1 Boiler and Pressure Vessel code. These units include an ASME V1 stamped pressure relief valve.
The VBAT-Q tanks are CE certified for use in Europe and other countries that require compliance wtih the European Pressure Equipment Directive (PED). These units include a CE marked pressure relief valve and a drain valve.
The standard VBAT tanks are built to comply with Japanese pressure vessel regulations and can also be used in regions without more stringent requirements.