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Internal right angle Vacuum Box for Leak Testing with Interchangeable Base (BAV-4025IA)

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Easily control the tightness, waterproofing of your welds and sheets with the new generation BAV4025IA vacuum box with interchangeable base.

The BAV4025IA is an NDT vacuum box for internal right angles, designed for leak testing 90° internal corner welds, such as inside storage tanks to inspect the shell-to-bottom joint, and also in all types of tanks and containers across various industrial sectors. Its interchangeable base offers great flexibility for inspecting different surfaces and weld configurations, enabling rapid leak detection.

Hardened transport case

Pressure gauge with calibration certificate

Vacuum pump PAV-2209

Additional sole for flat surfaces

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PRESENTATION ET APPLICATIONS

The BAV4025IA is a vacuum box, also known as a bubble box, specially designed for checking the tightness of internal right-angle surfaces (configuration 2), for example:

Storage tanks with a curvature radius greater than 2.5 meters:
- Bottom shell to cylinder junction with a curvature radius greater than 2.5 meters
- Ship tanks
Waterproofing membranes for roofs, flat roofs, or terrace roofs
Any other right-angle surfaces (metallic or non-metallic) where a pressure gradient can be applied

Its two-part design consisting of the main body and an interchangeable base addresses the challenges of equipment maintainability (maintenance), versatility, and ensures good readability of indications (height of the viewing window).

The BAV-4025IA vacuum box can optionally accommodate the internal corner base of the BAV-4025 (configuration 1) to enhance its inspection capabilities.

Our vacuum box can operate either by compression using the venturi system or by suction using our specially adapted optional vacuum pump.

KIT COMPOSITION (excluding options):

Main body/reading chamber comprising:

Handling grips
Vacuum gauge
Hybrid vacuum system:
- By venturi effect / using a compressor
- By suction / using a vacuum pump
Vacuum adjustment valve for:
- Flow limitation when using a compressor
- Leakage flow when using a vacuum pump
Quick base attachment system
50 cm extension with a quick female connector to cat’s head (Vacuum by venturi effect / compressor)

Interchangeable internal right angle base comprising:

Seal between the reading chamber and the base
Interface foam with the surface under inspection

AVANTAGES

Performance

High viewing window for clear and reliable reading of indications

–
Ultra-efficient sealing foam for easy and quick vacuum generation
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Precision gauge to ensure proper control conditions
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Precise vacuum adjustment with a valve
–
Quick detachment of the vacuum box by a rapid vacuum release system

Quality

Robust and reliable design for durable use in demanding industrial environments

– High-quality foam offering excellent resistance to abrasion and hydrocarbons

Versatility

Capability to operate in venturi effect mode (by compressor) or by suction (vacuum pump).

–
The BAV-4025IA can inspect shells on their concave or convex parts for curvatures starting from a diameter of 5 meters.
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Great flexibility with interchangeable bases to adapt to the most complex geometries and configurations of sheet welds.

Durable and resistant foam

Triangular geometry to increase relative pressure on the foam and allow maximum deformation on the surface of the inspection area.

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35 mm foam height and 40/50 Shore 00 hardness for optimal adaptation to surfaces.
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Foam offering longevity and great resistance to abrasion, as well as good hydrocarbon resistance, for durable and reliable use in demanding environments.

FEATURES

Two-Part Modular Design

The BAV-4025IA consists of the main body and an interchangeable base for maximum adaptability to welds and sheet geometries. This design has numerous advantages, including greatly facilitated maintenance.

Interchangeable Bases

The base of our BAV-4025IA vacuum box is designed to adapt to internal right angles. The interchangeability of the base allows you to keep the same body and change the type of base according to your inspection setup.

Easy Reading of Indications

The height of the interchangeable base of our bubble box creates an important gap between the main body and the surface under inspection. This provides a significant viewing window for easy and reliable reading of indications.

Vacuum by Venturi Effect

Possibility of operation in venturi effect mode by connecting a compressor either directly to the quick pneumatic system or to the 50cm cat’s head extension provided.

Vacuum by Vacuum Pump

Possibility of operation in suction mode by connecting our specially adapted optional 220v vacuum pump.

Precise Vacuum Control

The vacuum gauge (-1 Bar, CE certified) allows precise adjustment of the vacuum necessary for inspection, thanks to the venturi mode adjustment valve and our innovative regulation system for the optional vacuum pump.

Options

Hardened transport case

To safely transport your vacuum box, we offer a hardened transport case with a machined imprint in the shape of the vacuum box to prevent any movement.

Gauge with calibration certificate

We standardly provide a CE-certified but uncalibrated gauge. Therefore, we offer an option of a calibrated gauge with a verification certificate for your standardized inspections.

Vacuum pump PAV-2209

To use the vacuum box in suction mode with a vacuum pump. We offer a customized 220V 9CFM vacuum pump adapted for field conditions. The optional “vacuum pump” pack includes a 2-meter pneumatic hose with our innovative flow regulation and rapid depressurization

Additional sole for flat surfaces

This option allows you to keep the body of your BAV-4025IA vacuum box and equip it with this base for inspecting flat surfaces (see control configuration no. 1 at the top of the page). Custom-made bases can be produced upon request.

Features

TECHNICAL SPECIFICATIONS	Details
Dimensions	400 mm x 235 mm x 235 mm
Weight	7200 g
Materials	Main body: Aluminium alloy, Plexiglas Base: Plexiglas, closed-cell foam
Gauge	-1 Bar
Vacuum Generator Type	Hybrid system: - Venturi Effect: Requires a compressor of 10m3/hour at 8 bar - Vacuum pump (optional)
Foam Type	Closed cell foam
Foam Height	35 mm
Foam Hardness	40/50 Shore 00

Downloadable file :

Product brochure
Product brochure