Réducteurs acier
Steel Reducer Manufacturer and Supplier in Tunisia, Algeria, Morocco and Libya
Emirerri Steel is a reliable manufacturer and supplier of steel reducers serving industrial, commercial, construction, oil and gas, water treatment, and infrastructure projects throughout Tunisia , Algeria , Morocco , and Libya . We provide high-quality steel reducer fitting solutions designed to connect pipes of varying diameters while maintaining consistent flow, strength, and long-term performance in demanding piping systems.
A steel reducer is an essential pipe fitting used to reduce or increase the size of pipes within a pipeline. It helps control flow direction, pressure, velocity, and system efficiency by connecting larger and smaller pipe sections. Emirerri Steel provides a wide range of concentric steel reducers, eccentric steel reducers, galvanized steel reducers, welded steel reducers, and custom steel reducer fittings to meet project requirements.
With strong sourcing capabilities and a quality-driven approach, Emirerri Steel supports contractors, distributors, manufacturers, EPC companies and industrial buyers looking for reliable steel reducers in North Africa.
Key Features
Our steel reducers are designed for strength, precision and efficient pipeline performance.
- Construction of tough materials: manufactured from quality carbon steel or mild steel to support industrial, structural and piping applications.
- Precise dimensional finish: Designed for correct assembly between pipes of different diameters.
- Smooth Flow Transition: Helps reduce turbulence, pressure loss, and flow disturbances in piping systems.
- Corrosion protection options: Available with a galvanized steel reducer for better protection against rust, moisture and outdoor exposure.
- Multiple connection types: Supplied with welded, threaded, beveled, plain or customized ends.
- Excellent weldability: Suitable for manufacturing, on-site welding and mechanical installation.
- Durable surface finish: Available in black, galvanized, painted, coated or custom finish.
- Custom size availability: Supplied according to project drawings, pipe size, thickness and technical specifications.
- Regional sourcing support: available for buyers in Tunisia, Algeria, Morocco and Libya.
Types of steel reducer
Emirerri Steel supplies various types of steel reducing products to meet the diverse requirements of pipelines and industry.
AFNOR grades available for steel reducers
| AFNOR shade | General use |
|---|---|
| E24-2 | General applications in metal construction, light piping, and standard fabrication |
| E24-3 | Mild steel applications requiring higher quality and consistent strength |
| E28-2 | Industrial manufacturing, fittings and structures requiring medium strength |
| E36-2 | Structural and industrial applications requiring higher strength |
| A42CP | Applications related to boilers, industrial equipment, pressure and technical sheet metal |
| A48CP | More demanding industrial applications, pressure equipment and high-strength systems |
Dimensions and sizes of concentric and eccentric reducers
Dimensions et tailles réducteurs concentriques et excentriques (Form 1 & Form 2)
Form 1
| Side D | Side D₁ | Length | ||||
|---|---|---|---|---|---|---|
| DN | D | T | DN₁ | D₁ | T₁ | L |
| 25 | 33,7 | 2,6 | 20 | 26,9 | 2,3 | 35 |
| 32 | 42,4 | 2,6 | 20 | 26,9 | 2,3 | 51 |
| 25 | 33,7 | 2,6 | 39 | |||
| 40 | 48,3 | 2,6 | 20 | 26,9 | 2,3 | 67 |
| 25 | 33,7 | 2,6 | 55 | |||
| 32 | 42,4 | 2,6 | 38 | |||
| 50 | 60,3 | 2,9 | 25 | 33,7 | 2,6 | 77 |
| 32 | 42,4 | 2,6 | 61 | |||
| 40 | 48,3 | 2,6 | 50 | |||
| 65 | 76,1 | 2,9 | 32 | 42,4 | 2,6 | 95 |
| 40 | 48,3 | 2,6 | 84 | |||
| 50 | 60,3 | 2,9 | 63 | |||
| 80 | 88,9 | 3,2 | 40 | 48,3 | 2,6 | 108 |
| 50 | 60,3 | 2,9 | 86 | |||
| 65 | 76,1 | 2,9 | 56 | |||
| 100 | 114,3 | 3,6 | 50 | 60,3 | 2,9 | 143 |
| 60 | 76,1 | 2,9 | 114 | |||
| 80 | 88,9 | 3,2 | 90 | |||
| 125 | 139,7 | 4,0 | 65 | 76,1 | 2,9 | 159 |
| 80 | 88,9 | 3,2 | 135 | |||
| 100 | 114,3 | 3,6 | 88 | |||
| 150 | 168,3 | 4,5 | 80 | 88,9 | 3,2 | 189 |
| 100 | 114,3 | 3,6 | 141 | |||
| 125 | 139,7 | 4,0 | 94 | |||
| 200 | 219,1 | 6,3 | 100 | 114,3 | 3,6 | 210 |
| 125 | 139,7 | 4,0 | 170 | |||
| 150 | 168,3 | 4,5 | 130 | |||
| 250 | 273,0 | 6,3 | 125 | 139,7 | 4,0 | 250 |
| 150 | 168,3 | 4,5 | 220 | |||
| 200 | 219,1 | 6,3 | 130 | |||
| 300 | 323,9 | 7,1 | 150 | 168,3 | 4,5 | 290 |
| 200 | 219,1 | 6,3 | 215 | |||
| 250 | 273,1 | 6,3 | 130 | |||
| 350 | 355,6 | 8,0 | 150 | 168,3 | 4,5 | 335 |
| 200 | 219,1 | 6,3 | 255 | |||
| 250 | 273,1 | 6,3 | 125 | |||
| 300 | 323,9 | 7,1 | 100 | |||
| 400 | 406,4 | 8,8 | 200 | 219,1 | 6,3 | 330 |
| 250 | 273,1 | 6,3 | 250 | |||
| 300 | 323,9 | 7,1 | 175 | |||
| 350 | 355,6 | 8 | 130 |
Form 2
| Side D | Side D₁ | Length | ||||
|---|---|---|---|---|---|---|
| DN | D | T | DN₁ | D₁ | T₁ | L |
| 20 | 26,9 | 2,3 | 15 | 21,3 | 2,0 | 38 |
| 25 | 33,7 | 2,6 | 15 | 21,3 | 2,0 | 51 |
| 20 | 26,9 | 2,3 | 51 | |||
| 32 | 42,4 | 2,6 | 15 | 21,3 | 2,0 | 51 |
| 20 | 26,9 | 2,3 | 51 | |||
| 25 | 33,7 | 2,6 | 51 | |||
| 40 | 48,3 | 2,6 | 20 | 26,9 | 2,3 | 64 |
| 25 | 33,7 | 2,6 | 64 | |||
| 32 | 42,4 | 2,6 | 64 | |||
| 50 | 60,3 | 2,9 | 25 | 33,7 | 2,6 | 76 |
| 32 | 42,4 | 2,6 | 76 | |||
| 40 | 48,3 | 2,6 | 76 | |||
| 65 | 76,1 | 2,9 | 32 | 42,4 | 2,6 | 89 |
| 40 | 48,3 | 2,6 | 89 | |||
| 50 | 60,3 | 2,9 | 89 | |||
| 80 | 88,9 | 3,2 | 40 | 48,3 | 2,6 | 89 |
| 50 | 60,3 | 2,9 | 89 | |||
| 65 | 76,1 | 2,9 | 89 | |||
| 100 | 114,3 | 3,6 | 50 | 60,3 | 2,9 | 102 |
| 65 | 76,1 | 2,9 | 102 | |||
| 80 | 88,9 | 3,2 | 102 | |||
| 125 | 139,7 | 4,0 | 65 | 76,1 | 2,9 | 127 |
| 80 | 88,9 | 3,2 | 127 | |||
| 100 | 114,3 | 3,6 | 127 | |||
| 150 | 168,3 | 4,5 | 80 | 88,9 | 3,2 | 140 |
| 100 | 114,3 | 3,6 | 140 | |||
| 125 | 139,7 | 4,0 | 140 | |||
| 200 | 219,1 | 6,3 | 100 | 114,3 | 3,6 | 152 |
| 125 | 139,7 | 4,0 | 152 | |||
| 150 | 168,3 | 4,5 | 152 | |||
| 250 | 273,0 | 6,3 | 125 | 139,7 | 4,0 | 178 |
| 150 | 168,3 | 4,5 | 178 | |||
| 200 | 219,1 | 6,3 | 178 | |||
| 300 | 323,9 | 7,1 | 150 | 168,3 | 4,5 | 203 |
| 200 | 219,1 | 6,3 | 203 | |||
| 250 | 273 | 6,3 | 203 | |||
| 350 | 355,6 | 8,0 | 200 | 219,1 | 6,3 | 330 |
| 250 | 273 | 6,3 | 330 | |||
| 300 | 323,9 | 7,1 | 330 | |||
| 400 | 406,4 | 8,8 | 250 | 273 | 6,3 | 356 |
| 300 | 323,9 | 7,1 | 356 | |||
| 350 | 355,6 | 8,0 | 356 |
Applications
Steel reducers are used in many sectors where it is necessary to connect pipes of different diameters. Their role is essential to ensure a stable transition, reduce turbulence, and maintain system efficiency.
- Oil and gas: used in pipelines, refineries, pumping stations, processing facilities and distribution networks.
- Water treatment and distribution: suitable for water pipes, pumping stations, irrigation systems, municipal networks and treatment plants.
- Chemical industry: used in fluid transport systems, chemicals, steam and industrial liquids.
- Construction: used in technical networks, mechanical systems, building installations, supports and infrastructure.
- Power plants: suitable for cooling systems, steam lines, industrial water lines and auxiliary piping.
- HVAC systems: used in heating, ventilation, air conditioning and water circulation networks.
- Metal fabrication: employees in workshops, factories, mechanical structures, industrial assemblies and custom equipment.
- Marine and coastal applications: galvanized reducers are suitable for humid environments and exposure to outdoor conditions.