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This leak detection system consists of 1 leak indicating unit and up to 6 explosion-proof sensors which are connected to the interstitial spaces pneumatically.
The interstitial space is evacuated once with an external pump to an underpressure of approx. 700 mbar. The leak detector monitors continuously the pressure in the system. The manometer (digital display) shows the current pressure.
VLX-S 350 M
- With a suction line to the low point of the interstitial space
- Maximum diameter: 3 meters or double-walled bottom of a flat bottom tank
- Underpressure resistance of interstitial space: up to -800 mbar
Water-polluting liquids. The (possible) explosive vapor-air mixtures (also such ones that can arise through the stored/conveyed liquids in contact with air, humidity, condensation or the materials used) must be classifiable into gas group II A to II B as well as in the temperature code T1 to T4. Examples: petrol, diesel, AdBlue.
Sensors (device category 1): at the tank in zone 1
Leak indicating unit: for wall mounting indoors, outside Ex areas
HOUSING / IP RATE / TEMPERATURE RANGE:
Sensor: stainless steel / IP 65 / -20 °C .. +60 °C
Leak indicating unit: plastic box / IP 30 / -0 °C .. +40 °C
ss-QU8/6: stainless steel quick union for polyamide (PA) hose 8/6x1mm
ss-CF8/6: stainless steel compression ferrule for stainless steel (ss) pipe 8/6x1mm or polyamide (PA) hose 8/6x1mm
The requirements of the respective documentation must be observed!