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Overfill Prevention and its components Sensors & Systems Worldwide: www.fafnir.com

FAFNIR – Quality and Satisfaction Company: FAFNIR GmbH, based in Hamburg, Germany, has over 45 years of experience in the development and production of filling safety devices, overfill prevention solutions, limit ­ ignal controls lers and continuous level gauging solutions for all types of liquid. The optimisation of process controls, improvements in cost efficiency and the protection of people and the environment are at the heart of our business. Our close and trusting relationship with our c ­ ustomers is a key factor in the practice-­ riented o implementation of innovative ideas and the...

Overfill Prevention Type 83-UV The Overfill Prevention Sensor GWG and QSS/ASS Plugs date of issue 08.16 Subject to technical change Features of FAFNIR technology Application The filling sensor is a safety mechanism to prevent overfilling of storage and bunker tanks when they are filled with gasoline, diesel, and fuel oil from road tankers. It consists of a level ■ Space-saving, robust and corrosion-free design ■ Easy adjustment for different tank sizes ■ Sensor without moving parts ■ Totally maintenance-free sensor inside the tank and a amplifier with valve inside the road tanker. The...

The Filling System GWG-, QSS-, ASS-Signals Our Terminology Overfill prevention sensor: GWG; Quality assurance system or product detection: QSS; Filling hose safety device: ASS Function The electrical connection to the amplifier is made with the connection cable and coupling type 903 of the road tanker. This connection cable supplies the GWG with intrinsically safe electric current. In addition, it carries the signals for the QSS and ASS function. The threshold point of the GWG inside the tank includes a PTC-resistor. The PTC-resistor is a variable resistance in relation to the rising...

GWG GWG with pipe fitting GWG for distant installation with wall fitting Ø 60 Fitting for pipe installation Typ 907 Probe length engraved Probe length (100 - 3,000 mm) Threshold length "X" 10 18 42 Marking slot Locking screw WAF 5 Cable screwing PG Connection cable 2 x 1 mm2, location sided Threshold point Materials »» Parts in contact with product: brass, stainless steel, galvanised spring steel, solder, viton, ultradur »» Plugs: brass and nickel-plated brass Dimensions »» Tube diameter: brass 24 x 2, stainless steel 24 x 1 Technical Data Operating data »» Product temperature: - 25 °C to...

Order Code Overfill Prevention Sensor Type / probe tube 81 D-Ex U / stainless steel 24 x 1 81 D-Ex / stainless steel 24 x 1 83 UV / brass 24 x 2 84 UVT (telescopic) / brass 24 x 2 Two-digit code: Length in mm /100 (e. g. 1,500 mm = 15) 84 UVT only available with length 600 mm and 900 mm (code: 06 or 09) Junction box for remote installation Pipe plugs (basis) Pipe plugs (basis) for ASS Junction box and wall plugs (bottom part) for remote installation Junction box and wall plugs (bottom part) for remote installation for ASS Junction box and wall plugs (bottom part) for remote installation for...

Type FP 903/907 ASS K Coded Electrical Plug Connection Type FP 903/907 ASS K for QSS and ASS date of issue 08.16 Subject to technical change Features of FAFNIR technology Application The product regognition QSS is a device to prevent the mixing of fuels or other liquids during the filling of a storage or bunker tank from a road tanker. The filling hose safety device ASS monitors the correct connection of the filling hose to ■ Robust design for application in a rough environment ■ Simple functional structure for high operational safety ■ Totally maintenance-free such tanks. The FAFNIR QSS/...

Our Terminology Overfill prevention sensor: GWG; Quality assurance system or product recognition: QSS; Filling hose safety device: ASS Function The QSS functions are carried out by the simple pairing of magnetic reed sensor coding between the plug (wall plugs) and the mobile coupling. The analysis is based on the principle "2 out of 4", thus corresponding to a high safety standard. Six different codes are available. The ASS function is performed by checking the closed circuit between amplifier, connection cable, plugs, filling nozzle, filling hose, and the hose connection inside the road...

Product Regognition Coupling Ø 60 Fitting for wall mounting Type 907 105 9-wire cable (2 x 1 mm2 and 7 x 0.25 mm2) 15 m long Jacket substance: PUR Screwed cable gland Connecting cable installation side Protection hose Ø16 1,000 long Material: PA Screwed cable gland hose PG11 Material: PA6.6 Technical Data Operating data »» Umgebungstemperatur: - 25 °C to + 50 °C »» Resistant to all products according to the GWG list of substances Dimensionen Coupling »» Connection cable: Ø 7 mm x 15 m standard »» Protective hose: Ø 16 mm x 1,000 mm »» Housing: Ø 60 mm x 137 mm »» Other data: see...

The Overfill Prevention Sensor Testing Device ME 6 Application Overfill prevention sensors must be checked on a regular basis. This is usually performed during a tank inspection. An optimal and safe check of overfill pre­ vention sensors is guaranteed by the overfill prevention sensor testing device ME 6. Features of FAFNIR technology Genuine function check Easy menu-driven operation Handy design Suitable for all overfill prevention sensors with PTC technology Certified for overfill prevention sensors in explosive atmospheres Simultaneous check of the QSS coding Driven by storage batteries...

Our Terminology Overfill prevention sensor: GWG; Quality assurance system or product recognition: QSS Function The GWG is heated up by the intrinsically safe current of the testing device. The heating time is measured, analysed and indicated in the touch display. A switching off event is treated in the same manner. The QSS coding is registered and also displayed. Connection to the GWG The connection of the overfill prevention sensor testing device to the GWG is realised via a coupling type 903 with helix cable. Design The overfill prevention sensor testing device consists of » Coupling »...