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Customer application 11 July 2019
Water in the Tank

High standards make airplanes the statistically safest way to travel. This security is purchased comes at the expense of long development and introduction phases, which appear to leave little room for innovation. However, one supplier of aviation fuel filtration systems has carried out trail-blazing development work.

In the refinery, aviation fuels are present as highly refined products. However, contamination can creep in along the transportation chain up to the airplane fuel tanks. Among the potential contaminants, dust, rust and sand can be filtered out relatively easily. Water, on the other hand, which is the greatest threat to quality and safety, cannot be. Among the molecular properties of the hydrocarbons in fuel is the unwanted propensity to bind to water molecules. When temperatures drop, water molecules are released as free water and form ice, which then has to be expensively removed at regular maintenance intervals.

In 2018, representatives from a major German airline and an important German chemical company came knocking at the door of Marcus Wildschütz and Matthias Aden, the two CEOs of FAUDI Aviation GmbH in Germany. They were asked to develop an in-service evaluation of a new fuel additive, which was supposed to make the water problem vanish.

Your benefits with WAGO:

  • The PFC200 is the controller and operating interfaces for dosing system accurate at the microliter level.

  • At airports from Anchorage to Abu Dhabi, the XTR version is equipped for all climatic requirements.

  • Global Use Thanks to Comprehensive National Certificates

A Question of Dosing

However, this new additive could only be mixed in during fueling. “Because it is crowded and hectic under the aircraft during the tightly measured service times, we needed to come up with a very compact and flexible solution for how we could mix in the additive,” explains Aden. The dosing itself presented a challenge. According to the strict requirements set by the aviation authorities, one liter of fuel must not contain any more than 250 parts per million volume (ppmv) of the newly developed additive.

We are totally sold on WAGO in terms of reliability, transparency and flexibility.

Matthias Aden, CEO of FAUDI Aviation GmbH

Reliability under Harsh Conditions

A dosing system was required that was accurate at the microliter level, and included a controller and operating interface. The PFC200 Controller from the WAGO-I/O-SYSTEM completely fulfilled the requirement profile and can be operated in Ex zone 2. In order to satisfy the specific climatic requirements at airports from Anchorage to Abu Dhabi, FAUDI selected the XTR version of the controller. The XTR version covers a working temperature range from −40°C to +70°C (−40°F... +158°F), without protective equipment. “Our system is used around the world, and was already during the test phase. That meant that we required international approvals for all of the installed components. WAGO provided them.”

Open and Flexible

The development environment also makes the WAGO I/O System a standout choice. The automation for planning the control system relies on the international standardized programming system CODESYS. The corresponding visualization and simple configuration of communication interfaces ensure quick results. The interfaces play an important role in accessing data from higher-level fueling systems. Managing Director Graf sums up the partnership: “We are totally sold on WAGO in terms of reliability, transparency and flexibility.” “We now have a perfect tool with which we accomplish the best results possible for our customers.”

WAGO-I/O-SYSTEM 750 XTR

We automate where others capitulate – reliably, economically, and up to Zone 0/20 hazardous areas! The WAGO-I/O-SYSTEM 750 XTR does not require any additional measures in these conditions, and it also offers outstanding features such as an extended temperature range from −40 to +70°C (−40 … +158°F).

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WAGO-I/O-SYSTEM 750 XTR

XTR – our abbreviation stands for extreme protection against climatic influences, vibration, impacts and surge voltages. These conditions occur primarily in places where technology is exposed to weather. The automation systems used in these sectors often require additional space-consuming and expensive protection features for the switch/control cabinets that withstand climatic and mechanical forces. The WAGO-I/O-SYSTEM 750 XTR does not require any additional measures in these conditions, and it also offers outstanding features such as an extended temperature range from −40 to +70°C (−40 … +158°F).