Manufacturer · Industrial leak testing solutions

Vacuum Leak Testing

Vacuum frames and equipment for industrial leak testing

RUNDT manufactures vacuum frames and leak testing solutions for welded joints, tanks, pipelines and industrial structures. The range includes standard vacuum frames, custom-made designs and vacuum bubble testing equipment for industrial B2B procurement.

Manufacturing 10+ years
RUNDT brand since 2022
Portfolio 100+ models
RUNDT vacuum frame

Vacuum Frame Types

The RUNDT range covers flat, lap-joint, corner, round, square, pipe, triangular and 3D vacuum frames for industrial leak testing. Current pricing, availability and delivery terms are provided in response to a quotation request.

Custom-made RUNDT
Flat vacuum frame RUNDT 620x80, main view

Flat vacuum frame

Suitable for straight sections and standard welded joints.

Sizes

620×80340×73

Applications

Straight weldsTank sections
Price on request View details
Custom-made RUNDT
RUNDT vacuum frame for lap joints, basic view

Vacuum frame for lap joints

Designed for lap joints and areas with overlapping surfaces.

Sizes

600×60 H6620×80 H6

Applications

Lap jointsSheet structures
Price on request View details
Custom-made RUNDT
RUNDT corner vacuum frame for internal corner, main view

Internal corner vacuum frame

Used on internal corners where accurate frame geometry is required.

Sizes

530×75380×80

Applications

Internal cornersBox structures
Price on request View details
Custom-made RUNDT
RUNDT corner vacuum frame for external corner, main view

External corner vacuum frame

Applied on external corners and protruding structural elements.

Sizes

530×75×75

Applications

External cornersStiffeners
Price on request View details
Custom-made RUNDT
Round vacuum frame RUNDT D240, main view

Round vacuum frame

Used on circular and near-circular inspection areas.

Sizes

D 240

Applications

Round zonesNozzles
Price on request View details
Custom-made RUNDT
Square vacuum frame RUNDT 230x230, main view

Square vacuum frame

Suitable for square and near-square inspection zones.

Sizes

230×230

Applications

Square zonesAccess panels
Price on request View details
Custom-made RUNDT
Tube vacuum frame RUNDT, main view

Pipe vacuum frame

Designed for pipelines and curved surfaces.

Sizes

Diameter and length

Applications

PipelinesCurved surfaces
Price on request View details
Custom-made RUNDT
Triangular vacuum frame RUNDT, main view

Triangular vacuum frame

Used where triangular frame geometry is required.

Sizes

195×195×195

Applications

Triangular zonesCustom geometry
Price on request View details
Custom-made RUNDT
Vacuum frame RUNDT 3D pyramid, main view

3D pyramid vacuum frame

Designed for volumetric and spatial inspection areas.

Sizes

100×100×100

Applications

3D sectionsSpatial joints
Price on request View details

Documentation and Compliance

RUNDT products are supported by a public documentation package for vacuum frames, including the certificate, technical specifications and product catalogue.

Certificate

Certificate of Conformity

Confirms compliance of RUNDT vacuum frames with the applicable technical documentation.

ReferenceROSS RU.32001.04IBF1.OSP28.67506
StatusValid until 23.12.2027
Vacuum frames Open PDF
Technical spec.

Technical Specifications

Title page of the technical specification package for serial production of RUNDT vacuum frames.

ReferenceTU 26.51.52-001-72541747-2024
StatusPublic file
Vacuum frames Open PDF
Catalogue

Vacuum Frame Catalogue

Overview PDF with the main RUNDT vacuum frame types, shapes and standard configurations.

ReferenceProduct Catalog
StatusPublic file
Vacuum frames Open PDF

Industrial Applications

RUNDT vacuum frames and leak testing solutions are used for welded joints, tanks, pipelines and project-specific structures in shipbuilding, aerospace, oil and gas infrastructure, cryogenic systems and the nuclear industry.

Engineering Article

Leak testing of tube-to-tubesheet welds

An illustrated engineering case study of a double-sided vacuum fixture for a closely spaced heat exchanger tube bundle, with source drawings, method limitations and standards context.

Read the article

Manufacturing Snapshot

RUNDT manufacturing

TECH NK LLC has been manufacturing vacuum frames and leak testing solutions for more than 10 years. Since 2022 the products have been supplied under the RUNDT brand for industrial B2B procurement and engineering projects.

The production program includes standard vacuum frames, custom-made geometries and leak testing equipment for controlled industrial applications.

  • More than 10 years of manufacturing experience
  • RUNDT brand launched in 2022
  • 100+ models in the product line
  • Standard items and custom-made production

Request a Quote

Send the weld geometry, inspection area dimensions, technical requirements or RFQ details. Standard vacuum frames are usually available, while custom-made frames and leak testing units are selected to project requirements.

For quotations, technical selection, documentation requests and B2B supply discussions, contact RUNDT / TECH NK LLC by email or phone.