Vacuum Box
Vacuum Box
Vacuum boxes are designed to be used with a compressed air source. Maximum efficiency is achieved with only 4 cubic feet per minute of air flow. This efficiency allows our boxes to operate on jobsite air or with portable air compressors powered by electric current.
FLAT BOTTOM VACUUM BOX

10FB
Characteristics:
- Model: 10FB
- Flat Bottom box for testing butt welds on flat surfaces
- Operates using compressed air
- Outside Dimension: 10”L x 7”W x 1 5/8” H
- Viewing Area: 6 7/8” L x 4” W

20FB
Characteristics
- Model: 20FB
- Flat bottom box for testing butt welds on flat surfaces
- Operates using compressed air.
- Outside Dimensions: 20″L x 7 “W x 1 5/8″H
Viewing Area: 16 7/8″L x 4 “W

30 FB
Characteristics:
- Model: 30FB
- Flat Bottom box for testing butt welds on flat surfaces
- Operates using compressed air
- Outside Dimenstion: 30”L x 7”W x 1/ 5/8”H
- Viewing Area: 26 7/8” L x 4” W
CORNER VACUUM BOX

8CB
Characteristics:
- Model: 8CB
- Corner Vacuum boxes are specifically designed for testing the inside corner, where the bottom meets the sidewall at 90 degrees
- Operates using compressed air
- Outside Dimension: 8”L x 5”W x 5”H
- Viewing Area: 5” L x 2 7/8” W

18CB
Characteristics:
- Model: 18CB
- Corner Vacuum boxes are specifically designed for testing the inside corner, where the bottom meets the sidewall at 90 degrees
- Operates using compressed air
- Outside Dimension: 18”L x 5 1/4”W x 15”H
- Viewing Area: 15” L x 2 7/8” W

30CB
Characteristics:
- Model: 30CB
- Corner Vacuum boxes are specifically designed for testing the inside corner, where the bottom meets the sidewall at 90 degrees
- Operates using compressed air
- Outside Dimension: 30”L x 5 1/4”W x 5 1/4”H
- Viewing Area: 27” L x 2 7/8” W

40CB
Characteristics:
- Model: 40CB
- Corner Vacuum boxes are specifically designed for testing the inside corner, where the bottom meets the sidewall at 90 degrees
- Operates using compressed air
- Outside Dimension: 40”L x 5 1/4”W x 5 1/4”H
- Viewing Area: 37” L x 2 7/8” W
LAP JOINT VACUUM BOX

30FBLJ
Characteristics:
- Model: 30FBLJ
- Flat bottom box for testing lap joints of 3/8” plate on flat surfaces
- Operates using compressed air
- Outside Dimension: 30”L x 7”W x 1 5/8”H
- Viewing Area: 26 7/8” L x 4” W
FLEXIBLE VACUUM BOX

30″ Flex
Characteristics:
- Model: 30FB FLEX
- Flexbox for testing welds on a radius
- The surface must be curved. The 30FB Flex will not function properly on a flat surface
- Operates using compressed air
- Outside Dimension: 30”L x 7”W x 1 5/8”H
- Viewing Area: 26 7/8” L x 4” W