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VL 34 E for tanks with leak protection lining with a suction line for the leak detector to the low point of the interstitial space.
VL 330 E for tanks without suction line.
VL 34 E, VL 330 E
P: weatherproof housing
M: digital manometer
S: service display (preset to 12 months)
Si: service indication (adjustable 1 to 63 months)
(e.g. VL 330 EPM)
- Maximum liquid pressure on tank bottom: <= 300 mbar
- Maximum internal overlay pressure: 500 mbar
- Underpressure resistance of interstitital space: for VL 34 E > -250 and for VL 330 E > -700 mbar
Water-polluting liquids with a flash point > 60 °C (for Germany > 55 °C acc. TRBS and TRGS) where no explosive vapor-air mixtures occur.
Outside Ex areas
HOUSING / IP RATE / TEMPERATURE RANGE:
pl-box: plastic box / IP 30 / -0 °C .. +40 °C
ss-box: stainless steel box / IP 54 / -40 °C .. +60 °C
H4+H6: hose connection for polyvinylchloride (PVC) hose 8/4x2mm or 10/6x2mm (only for pressureless tanks)
QU8/6: quick union for polyamide (PA) hose 8/6x1mm (for tanks with up to 500 mbar overpressure)
CF8/6: compression ferrule for copper (CU) pipe 8/6x1mm or polyamide (PA) hose 8/6x1mm (for tanks with up to 500 mbar overpressure)
The requirements of the respective documentation must be observed!