The FAUDI Aviation AFGUARD® is a measurement system, which supervises the quality of Jet Fuels.
FAUDI Aviation DPGUARD® is a fully automated touch screen operated calculator to give out the corrected differential pressure across the filter elements (Monitor
filters or Coalescers) in mobile or fixed filter vessels being operated at less than maximum rated flow.
The dp-SWITCH conversion kit fully complies to JIG 58 bulletin requirements. It is stated there that all Hydrant Servicers with Filter Monitor vessels should be retrofitted by end of December 31th 2013.