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FLYING VISION BAV-4025 Vacuum Box for Weld Bubble Leak Testing of Tank, Pipeline, Ship Vessels

Code: FLYING-VISION BAV-4025 BAV4025 BAV-A200-00X


 
                           

Description

 
High-performance vacuum box (400 x 250 mm) designed for leak testing on flat welds, lap joints, lap welds, and internal or external circular welds depending on curvature radius.
Its innovative design and advanced features make it a benchmark solution on the vacuum box leak testing market.

VACUUM BOX - PRESENTATION AND APPLICATIONS
High-Performance Vacuum Box for Precise Leak Testing – BAV-4025
The BAV-4025 is a compact, versatile vacuum box (400 × 250 mm) designed for precise leak testing of flat welds, lap joints, curved seams, and complex geometries. This model is particularly well-suited for lap weld inspection thanks to its flexible foam base and compatibility with silicone spacers, ensuring optimal seal contact even on challenging shapes.

Flat and Curved Weld Testing
In its standard configuration, the BAV-4025 comes with a 35 mm high-compression foam base, ideal for flat seams, shallow weld geometries, and large-radius curves. This setup provides a tight, uniform seal for most standard applications.
For more pronounced curves or irregular geometries, the optional 45 mm foam base can offer greater flexibility and sealing performance, allowing the box to better conform to complex profiles.

Lap Weld Testing
For lap welds, the configuration depends on the height of the joint:

Up to 15 mm lap welds: Use the standard 35 mm foam base in combination with silicone spacers (BAV-090). This setup allows the foam to adapt to moderate offsets while maintaining a reliable vacuum seal.
Up to 25 mm lap welds: For deeper or more irregular lap welds, we recommend the optional 45 mm foam base, which provides greater flexibility and compression, always used with silicone spacers for optimal sealing.
Note: The actual lap weld height that can be effectively sealed may vary depending on the sharpness of the joint and the surface finish.


OUR SOLUTIONS FOR VACUUM BOX LEAK TESTING (NDT LT)
Flying Vision designs high-performance vacuum box equipment for leak testing of welded joints in NDT and industrial inspection applications.
Our systems are rugged, portable, and engineered to comply with major international standards such as API 650, ASTM E515, EN 1593, as well as maritime-specific regulations including IACS UR S14, Lloyd’s Register Rules, and ABS Steel Vessel Guidelines.

Our complete range of vacuum boxes and dry vacuum pumps is perfectly suited for bubble leak testing of flat, curved, or complex weld seams, and is trusted across oil & gas, shipbuilding, tank manufacturing, and pipeline construction.

Discover reliable, field-ready, and efficient vacuum box testing solutions designed for professionals in quality control and non-destructive testing environments.

 
Presentation video VACUUM BOXE FLYING VISION



 

 

Standard accessories

VACUUM BOX - KIT COMPOSITION
BAV-4025 vacuum box kit composition
Réf: BAV-A100-00X – Vacuum Box Kit BAV-4025

Viewing window includes :
Vacuum gauge
Hybrid vacuum system
Handling grip
Quick control valve
Insert for optional lighting
Base assembly includes :
Factory-bonded foam
Sealing gasket
Inserts for window fixation
Connection hose :
50 cm hose with quick coupling to claw coupling for Venturi effect vacuum system
 

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• The BAV-4025 is a compact, versatile vacuum box (400 × 250 mm)
• designed for precise leak testing of flat welds, lap joints, curved seams, and complex geometries.
• The BAV4025 series features a 400 x 250 mm inspection area and is designed for fast, efficient vacuum box testing of long weld seams.
• Available with 35mm 45mm 75mm foam
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