Leak Detector VLXE 330 Ex M, 100-240VAC|24VDC, ss-box, FU6/4

SGB VLXE 330 Ex M Vacuum Leak Detector

For double-walled (DW) pipework conveying pressurised flammable fuels, the correct unit for this application is: Part No. 033330M09 — Leak Detector VLXE 330 Ex M, 100-240VAC|24VDC, ss-box, FU6/4.

The VLXE 330 Ex M is an explosion-protected, electronically operating vacuum leak detector, fully explosion protected with an integrated pump. It is designed for reliable monitoring of the interstitial space of double-walled systems where potentially explosive vapour-air mixtures may occur (e.g. with petrol).

Key Features

• Fully explosion protected design with integrated pump (VLXE .. Ex)
• Category 2 unit, suitable for installation in Zone 1
• Weatherproof construction
• 330 mbar alarm pressure
• Detonation flame arresters in both suction and exhaust lines
• Digital manometer (M) for clear vacuum indication

Typical Applications

• Monitoring above-ground or underground double-walled pipes
• Monitoring one above-ground or underground double-walled tank

Compatible Media / Hazard Classification

Suitable for monitoring systems containing water-polluting liquids where (possible) explosive vapour-air mixtures may be present, including mixtures that can arise through contact with air, humidity, condensation, or the materials used.

• Gas group: II A to II B3
• Temperature class: T1 to T4
• Example medium: Petrol

Power Supply

• 100–240 VAC | 24 VDC

Housing / Protection / Temperature Range

• Enclosure: Stainless steel box (ss-box)
• Ingress protection: IP66
• Ambient temperature: –40 °C to +55 °C
• Design: Weatherproof

Pneumatic Connection

• FU6/4: Flared union for copper (Cu) pipe 6/4 × 1 mm

Installation Notes

• Suitable for installation in Zone 1 (per product classification)
• Install in accordance with ATEX/DSEAR requirements and site-specific hazardous area zoning
• Use weatherproof installation practices appropriate to the environment

Always follow the detailed requirements provided in the official SGB documentation and site regulations.