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Equipment

Vapour Extraction Unit (VEU)

The Vapour Extraction Unit (VEU) transforms gas leak detection and repair, pinpointing elusive leaks swiftly and accurately while drastically reducing project timelines and costs. Operating at a potent vacuum through boreholes, it identifies leaks within 18 inches horizontally. Equipped with an LEL sensor for real-time monitoring, it ensures safety and efficiency. The VEU can run multiple probes or evacuate gas through a 3-inch hose, offering unparalleled precision in gas leak detection and remediation projects. Available in skid-mounted or trailer-mounted options, it’s an indispensable tool for rapid and cost-effective solutions. Probe kits are available separately.

Features

Efficient Gas Extraction and Leak Detection: The Vapour Extraction Unit (VEU) extracts gas from saturated soil. Pinpoints difficult-to-locate leaks using a vacuum system in boreholes, identifying leak sources. Rapid Remediation and Cost Reduction: Rapidly clears gas-saturated soils, reducing project timelines from months to days. Achieves rapid remediation, completing tasks that would take days in mere hours. Minimizes soil excavation and pavement destruction, leading to substantial cost reductions in earthworks and pavement repairs. Advanced Technology and Safety Measures: Uses a patented technology for safe vapor extraction and leak location. Equipped with an LEL sensor for real-time gas/air concentration monitoring. Operator can adjust gas/air ratio, and the system triggers alarms if gas concentration exceeds safety thresholds. Versatile Operation and High Capacity: Capable of running up to 18 probes simultaneously. Offers an alternative mode using a 3-inch hose for rapid gas evacuation in enclosed areas. Moves up to 850 cubic feet of gas/air mixture per minute. Flexible Configurations: Available in skid-mounted or trailer-mounted packages. Probe kits for the VEU are available separately.

Description

The Vapour Extraction Unit (VEU) extracts gas from saturated soil, pinpoints leak location, facilitates more timely repair and in the process delivers dramatic reductions in earthwork and pavement costs. The VEU pinpoints difficult to locate leaks. The VEU creates vacuum (up to 12″ mercury) at a series of boreholes over known areas of gas saturated soil. The high volume VEU rapidly extracts gas from saturated soils and can be used to follow paths of gas migration to the leak source. Through a process of elimination, most leaks can be pinpointed to within 18 inches horizontally of vertical location. The powerful VEU is designed for rapid remediation of gas saturated soils. Sites that would have taken months to clear with historical means are done in days with the VEU. Sites that would have taken days are completed in hours. Rapid remediation and pinpointing of leak location results in minimum soil excavation and pavement destruction. Cost reductions in earthworks and pavement repair are enormous. The VEU’s vapour extraction and leak locating capabilities are enabled by a patented means of performing these functions safely. An LEL sensor continuously monitors flow through the VEU and provides a real time digital readout of the gas/air concentration. Responding to the digital readout, the VEU operator manages the gas/air ratio below an established threshold by adjusting a gas/air mixing apparatus. The sensor system initiates an audio-visual alarm if the gas concentration reaches a selected percentage LEL. In the event the percentage of LEL exceeds a secondary threshold, the VEU automatically shuts down. The VEU is capable of running up to 18 probes simultaneously. In an alternative mode, a 3 inch hose can be inserted into a storm sewer or other enclosed area for rapid gas evacuation. The VEU moves up to 850 cubic feet of gas/air mixture per minute. The VEU is available in skid-mounted or trailer mounted packages. Probe kits are available separately.

Specification

MODEL Vapour Extraction Unit
Weight 1,430 lb (648 kg)
Height 47.5 in (113 cm)
Width 43 in (109 cm)
Length 65 in (165 cm)
Engine Isuzu 3CH1 Tier IV
Fuel Consumption 1.0 max gal/hr
Fuel Tank 8 Gallon (30.2 I)
Blower Tutthill 850 CFM
Operating Noise Level* 90–100 db
Gas Monitor Industrial Scientific Itrans w/LEL
Alarm Threshold 35% LEL
Engine Stop Threshold 50% LEL
( ) Metric Measurements. Specifications subject to change without notice.

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