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Overfill alarm systems Level sensor GWG 23 – Ro/T for outdoor tanks as per EN 13616 (TRbF 511/512) ■■ Fuel oil EL, diesel fuel, biofuel/biodiesel and petrol Variable height adjustment Yellow fitting with ATEX approval (zone 0) To be used as part of a control chain for overfill alarm systems to avoid overfilling of tanks. For tanks according to EN 12285-1, 12285-2, DIN 6618, 6619, 6623, 6624, 4119 or equivalent tanks whose diameters and volumes correspond to the EN 12285-1 design. Suitable for the following media: fuel oil EL and diesel fuel as well as biofuel, biodiesel or petrol under certain conditions. See the operating instructions for additional information. PTC thermistor type level sensor consisting of height-adjustable probe and screw fitting. Pressure- and vacuum-tight. GWG 23 – Ro with tube fitting made of yellow plastic, highly impact-resistant, deformation-resistant with strong chain and flange gasket. Suitable for use in hazardous areas (EX areas). GWG 23 – T with telescopic tube for height adjustment of the connection fitting. Tube fitting made grey plastic, shock-resistant, with tie, without flange gasket. When selecting a level sensor, please check to see that the fitting is as close as possible to the access chamber cover – the distance should be no less than 20 mm and no more than 300 mm. See the operating instructions for the adjustment depth in the tank. Technical Probe length specifications From 400 to 1,500 mm, see ordering table Process connection Screw fitting G1 Operating temperature range Medium: -25/+50 °C Ambient: -25/+60 °C Operating pressure in the tank No pressure i See page 60 for prices and versions. Material GWG fitting: Plastic Probe tube: Steel, galvanised Screw fitting: Brass PTC thermistor: Glass-encapsulated Approvals Technical Approval of the German Institute for Building Technology: Z-65.17-366 GWG with yellow fitting: Ex II 1 G Ex ia IIB T3

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Overfill alarm systems Level sensor GWG 23 Wa for outdoor tanks as per EN 13616 (TRbF 511/512) Fitting for wall mounting For fuel oil EL, diesel fuel and biofuel/biodiesel Yellow fitting with ATEX approval (zone 0) Variable height adjustment GWG fitting for wall mounting To be used as part of a control chain for overfill alarm systems to avoid overfilling of tanks. For tanks according to EN 12285-1, 12285-2, DIN 6618, 6619, 6623, 6624, 4119 or equivalent tanks whose diameters and volumes correspond to the EN 12285-1 design. Suitable for the following media: fuel oil EL and diesel fuel as...

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Overfill alarm systems Level sensor for outdoor tanks GWG 81-D-Ex special length R Extra charge per 100 mm GWG 81-D-Ex special length W Extra charge per 100 mm Please enquire for coded plug inserts for QSS and filling hose control system (ASS).

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