From concept to production

Welding and cutting automation equipment

Controlled motionConsistent welds

Industrial equipment and welding automation

Turning rolls, positioners and welding systems, designed and manufactured for better workpiece control and a repeatable welding process.

Large industrial vessel on turning rolls in a manufacturing hall
Welding automation equipment for heavy vessels

Slide 01 / 02: Welding automation

  • Assured Quality

    Built to industrial standards

  • On-time Delivery

    Precise project planning

  • Warranty & Service

    Responsive technical support

Track record

Trusted by leading industries

A dependable engineering partner for major industrial manufacturers

Industrial ClientsMajor industries
200+
Successful ProjectsNationwide
350+
Ton Handling CapacityIn one line
1000+
Years of ExperienceSince 2004
20+

Selected customers

Why Rahavard Sazeh Arak

Built for industrial excellence

RSA engineers and manufactures welding automation, rotating equipment and process machinery for demanding industrial production lines.

Complete Portfolio

A broad range spanning process mixers and agitators through heavy-duty rotating equipment.

Specialist Team

Experienced engineers who help specify the right equipment and stay involved through every project stage.

Reliability

Equipment engineered for durable, continuous operation in demanding environments.

Engineering Precision

Tight-tolerance design for repeatable results through every rotation and production cycle.

Safety by Design

Safety requirements inform the design and selection of every component.

Efficient Delivery

An optimized production process protects both delivery schedules and manufacturing quality.

Our Products

Engineered solutions

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Self-Aligning Welding Rotator
Featured productSERIES 01

Self-Aligning Welding Rotator

A self-aligning rotator supports and turns vessels, pipes, and other cylindrical workpieces. Its roller assemblies adjust mechanically to different diameters within the machine’s specified range, reducing changeover time.

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Self-Aligning Welding Rotator product image
Technical viewRSA / 01
Self-Aligning Welding Rotator
Manual-Adjustment Welding Rotator
Featured productSERIES 02

Manual-Adjustment Welding Rotator

A welding rotator with manually adjustable roller spacing for supporting and turning cylindrical vessels, pipes, and similar workpieces. A drive unit and an idler unit provide controlled rotation within the model’s rated load and diameter range.

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Manual-Adjustment Welding Rotator product image
Technical viewRSA / 02
Manual-Adjustment Welding Rotator
Fit-Up Welding Rotator
Featured productSERIES 03

Fit-Up Welding Rotator

A fit-up rotator supports, aligns, brings together, and rotates heavy cylindrical vessel sections during assembly and welding. RSA offers project-specific systems in 40, 70, 100, 150, and 250-tonne models.

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Fit-Up Welding Rotator product image
Technical viewRSA / 03
Fit-Up Welding Rotator
Column and Boom Welding Manipulator
Featured productSERIES 04

Column and Boom Welding Manipulator

A column and boom welding manipulator positions and moves the welding torch precisely for large workpieces, tanks and steel structures. Controlled reach and travel improve weld consistency and reduce manual handling.

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Column and Boom Welding Manipulator product image
Technical viewRSA / 04
Column and Boom Welding Manipulator
Welding Positioner
Featured productSERIES 05

Welding Positioner

A welding positioner rotates and tilts workpieces into an accessible welding position. Controlled movement helps operators produce more consistent welds while reducing handling time.

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Welding Positioner product image
Technical viewRSA / 05
Welding Positioner
How We Work

Our process

1

Consultation

We review operating requirements and technical constraints with your engineering team.

2

Design & Engineering

We develop a project-specific solution with complete technical documentation.

3

Manufacturing

Equipment is manufactured in Arak under rigorous quality control.

4

Delivery & Support

Installation, commissioning, operator training and responsive after-sales support.

Start Your Project

Ready to build something substantial?

Talk to our engineering team for a project-specific consultation and quotation.