Industrial Process Equipment Engineered, Fabricated, and Precision-Machined
Custom industrial process equipment from 10 kg prototypes to 25-tonne assemblies, manufactured to exact specifications. From transformer components to filtration systems, we control the entire process: engineering → welding → machining → testing → delivery.

Complete Process Equipment Solutions from One Partner
At Steiger, we specialize in custom industrial process equipment that demands both structural integrity and dimensional precision. Our integrated approach combines certified welding, precision machining, and rigorous testing to deliver complete solutions for transformer manufacturers, filtration systems, and specialized industrial equipment.
Whether you need transformer housings and conservators, industrial coolant clarifiers, bagging machine components, or custom-engineered process equipment, we deliver complete solutions from raw material to final inspection, tested and ready for installation.
Certified Manufacturing for Critical Industrial Applications
Our manufacturing operations are certified to European and international standards, ensuring systematic quality management and documented procedures for every project. This means we can handle electrical industry components, heavy industrial equipment, and critical process systems with full traceability and accountability.
Certifications: EN 1090-2 EXC4 (Execution Class 4), EN 15085-2 (Railway Applications — Welding), ISO 3834-2 (Comprehensive Welding Quality), ISO 9001:2015 (Quality Management), ISO 14001:2015 (Environmental Management), ISO 45001:2023 (Occupational Health & Safety)
Personnel & Qualifications: 10 TÜV-certified welders, 2 International/European Welding Engineers (IWE/EWE), 2 International Welding Practitioners (IWP), 1 International Welding Technologist (IWT), 20+ documented welding procedure qualification records (WPQRs), Material certifications with full traceability to mill test certificates (MTCs)

Custom-Engineered Solutions for Industrial Processes

Transformer Components
- Applications: Transformer housings, transformer conservators, transformer tank parts
- Materials: Carbon steel, stainless steel
- Typical weight range: 15+ tonnes
- Key capabilities: Precision welding, post-weld machining, pressure testing, surface treatment
- Advantages: Full traceability, certified welding procedures, dimensional verification

Industrial Filtration & Clarification Systems
- Applications: Industrial coolant clarifiers, industrial filters, process filtration equipment
- Services: Fabrication, assembly, test running, and commissioning
- Materials: Stainless steel, carbon steel, specialized alloys
- Key capabilities: Leak testing, surface finishing, functional testing
- Advantages: Complete system integration, on-site installation support

Heavy Industrial Equipment
- Applications: Bagging machine components, processing equipment frames, custom machinery assemblies
- Weight range: 100 kg to 25 tonnes
- Typical applications: Food processing, chemical processing, material handling
- Key capabilities: Complex welding, precision machining, assembly
- Advantages: Single-source responsibility, integrated quality control

Custom Process Equipment
- Applications: Hoppers, conveyors, pressure vessels, specialized industrial machinery
- Scope: From concept to commissioning
- Materials: All weldable steels and alloys
- Key capabilities: Design for manufacturing, prototype development, series production
- Advantages: Engineering support, flexible production, fast turnaround

Material capabilities:
- Carbon steel (S235 to S690)
- Stainless steel (304, 316, duplex)
- Low-alloy steels
- Aluminum (5000, 6000 series)
- Thickness range: 1 mm to 100 mm+

Capacity:
- Component size: Up to 12 metres length
- Component weight: Up to 25 tonnes
- Production area: Over 7,000 m² with 9 bridge cranes (35-tonne capacity)
- Machining envelope: Up to 12,000 x 4,000 x 1,500 mm
From Raw Material to Tested Equipment — Every Step Verified
Material Procurement & Traceability
- Mill certificates (EN 10204 3.1 or 3.2)
- Material verification and documentation
- Certified material suppliers
Cutting & Forming
- CNC plasma cutting (12,000 x 4,000 mm, up to 40 mm)
- CNC oxy-fuel cutting (up to 120 mm thickness)
- NC press brake (400 ton, 5,000 mm)
- Sheet rolling and forming
Welding & Assembly
- Gas Metal Arc Welding (GMAW/MIG-MAG)
- Gas Tungsten Arc Welding (GTAW/TIG)
- Submerged Arc Welding (SAW)
- Shielded Metal Arc Welding (SMAW/MMA)
- Certified welders and documented procedures
Precision Machining
- 5-axis CNC gantry milling (12,000 x 4,000 x 1,500 mm)
- 3+2-axis CNC horizontal milling (12,000 x 1,250 x 3,500 mm)
- Multiple 3-axis and 5-axis vertical machining centres
- Turning, drilling, boring, and tapping
Quality Verification & Testing
- Visual Examination (VT) — Level II In-House
- Liquid Penetrant Testing (PT) — Level II In-House
- Ultrasonic Testing (UT) — External Partners
- Radiographic Testing (X-ray) — External Partners
- Dimensional Verification: Leica Absolute Tracker AT403 (0.8 m to 320 m measurement volume)
- Portable measuring arm Hexagon Romer (2.5 m working diameter)
- Leak testing and pressure testing (as required)
- Functional testing and commissioning
Surface Treatment
- Shot grit blasting (14 m x 5.5 m x 5 m cabin, ISO 8501-1)
- Industrial airless spray painting (heated paint shop, 540 m²)
- Coating thickness and adhesion testing
What this means: “We don’t just fabricate components—we deliver tested, verified equipment ready for installation. Every process equipment assembly is inspected, measured, and functionally tested before it leaves our facility. If commissioning is required, our engineers support installation and startup.”
From Transformer Components to Complete Filtration Systems
Electrical Industry
Transformer housings (15+ tonnes)
Transformer conservators
Transformer tank parts
Electrical equipment enclosures
Example: Ganz Transformers Hungary — transformer housings over 15 tonnes, welded and machined to specification
Industrial Processing
Industrial coolant clarifiers
Industrial filtration equipment
Bagging machine components
Process equipment frames
Example: Industrial filtration system — fabrication, assembly, and test running for European client
Heavy Industrial Equipment
Hoppers for material handling (40+ tonnes)
Custom processing equipment
Material handling systems
Conveyor structures
Example: Naval discharge hoppers — 40+ tonne welded assemblies for port equipment
Custom Machinery
Specialized process equipment
Manufacturing tool structures
Testing equipment frames
Assembly fixtures
Example: Custom bagging machine components — welded, machined, and assembled
How We Execute
Process Equipment Projects
Step 1: Technical Review and Quotation
Upload your drawings (PDF, DWG, STEP) or specifications
Our engineers review for feasibility and manufacturability
We identify potential challenges and optimization opportunities
Detailed quote within 3–5 business days
Step 2: Design for Manufacturing (DFM)
Manufacturing sequence planning
Fixture and tooling design (if required)
Material specification and procurement
Quality control plan development
Step 3: Material Procurement
Certified material suppliers
Mill certificates and traceability
Material verification and documentation
Step 4: Fabrication and Welding
Cutting, forming, and preparation
Certified welders assigned
In-process inspection (VT, PT)
Dimensional verification at key stages
Step 5: Machining (If Required)
Transfer to CNC machining centres
Precision machining to specification
Tight tolerance capability (0.05 mm achievable)
Step 6: Surface Treatment
Blasting to specified standard
Industrial painting or coating
Coating thickness verification
Step 7: Testing & Verification
Dimensional verification (laser tracker and CMM)
NDT (UT, X-ray if specified)
Leak testing (pressure vessels and tanks)
Functional testing (filtration systems and clarifiers)
Documentation package
Step 8: Delivery & Installation Support
Secure packaging for transport
On-site installation available
Technical support during commissioning
Training and documentation
What Makes Our Process Equipment Manufacturing Different
Integration Eliminates Risk
When welding, machining, and testing happen under one roof, there is no finger-pointing. We take full responsibility for quality and performance from raw material to final testing. If modifications are needed, we handle them—no coordination delays, no change orders between suppliers.
Engineering Support from Concept to Commissioning
Our two International Welding Engineers and experienced manufacturing engineers don’t just execute drawings—they help optimize designs for manufacturability, cost, and performance. We provide design feedback, material recommendations, and process improvements.
Family-Owned Reliability
Since 1994, every component carries our name. We’re not a job shop focused on volume—we’re a manufacturing partner that treats your project as if it were our own. Direct communication with decision-makers, flexible problem-solving, and long-term relationship focus.
“Professional, Experienced, Trustworthy”
– MALCHEM ROMANIA

Frequently Asked Questions
Yes—this is one of our core strengths. We control both processes in-house, eliminating coordination risk. Typical workflow: cutting → welding → machining → surface treatment → testing.
Up to 12 metres in length and 25 tonnes in weight. Our 7,000+ m² facility has 9 bridge cranes with 35-tonne capacity and a 5.8 m hook height.
Yes. We can perform test running and commissioning for filtration systems, clarifiers, and other process equipment. Our team can support on-site installation and startup.
Yes. We achieve 0.05 mm linearity over 10 metres on welded and machined structures, verified with Leica laser tracker. This precision is critical for transformer components and precision process equipment.
Yes, full material traceability with mill test certificates (MTCs) (EN 10204 3.1 or 3.2 as required).
Lead time varies depending on complexity, material availability, and testing requirements. Please contact us to discuss your specific project timeline and requirements.
Yes, for final assembly, installation, and commissioning. We have completed installations in the Netherlands, Germany, and throughout Romania.
Both. Our engineering team can work from performance specifications to develop manufacturing drawings, or we can execute from your detailed designs. We provide design for manufacturing feedback in both cases.
Yes. We manufacture prototypes, one-off pieces, and small series production. Our flexible manufacturing approach allows us to handle both development projects and production runs.
Ready to Discuss Your Process Equipment Project?
Whether you need transformer components, filtration systems, or custom process equipment, our engineers are ready to review your requirements. Upload your drawings or specifications for a detailed technical quote.