Blind Flange
Blind Flange Manufacturer & Supplier Tunisia, Algeria, Libiya & Morocco
Emirerri Steel Tunisia is a recognized manufacturer and exporter of blind flanges , providing reliable solutions for sealing pipe ends in North Africa, including Morocco, Algeria, Tunisia, Libya and Egypt.
Blind flanges , also called Solid Flange , are used to completely seal off a line of piping, a valve, or a piece of equipment. They are essential for maintenance operations, pressure testing, and system isolation.
Manufactured according to EN 1092-1 and AFNOR standards , our solid flanges guarantee excellent resistance to pressure, corrosion and demanding industrial environments.
Product Specification
| Points | Description |
|---|---|
| Product type | Full flange (Type 05 according to EN 1092-1) |
| Standard | EN 1092-1 / AFNOR |
| Pressure classes | PN 6, PN 10, PN 16, PN 25, PN 40 |
| Size range | DN10 to DN2000 |
| Types of faces | Flat face (FF), Raised face (RF) |
| Materials | Carbon steel, stainless steel, alloy steel, duplex steel |
| Manufacturing process | Forging / CNC Machining |
| Surface finish | Oiled, sandblasted, galvanized, passivated |
| Inspection | Dimensional, visual, NDT testing |
| Certification | EN 10204 3.1 / 3.2 |
EN & AFNOR Grade Chart
Carbon Steel
| Grade EN | AFNOR grade | Description |
|---|---|---|
| P235GH | E24-2 | Standard pressure |
| P265GH | E28-2 | High temperature |
| P355GH | E36-2 | High resistance |
Stainless steel
| Grade EN | AFNOR grade | Equivalent |
|---|---|---|
| 1.4301 | Z5CN18-10 | 304 |
| 1.4404 | Z3CND17-12 | 316L |
| 1.4571 | Z6CND17-12 | 316Ti |
Duplex & Allies
| Grade EN | AFNOR grade | Description |
|---|---|---|
| 1.4462 | Z2CND22-05 | Duplex |
| 1.7335 | 13CrMo4-5 | High temperature |
Dimensions of Solid Flanges (EN 1092-1)
Blind flanges are designed without a bore and are completely solid to ensure a tight seal.
Dimensional Parameters
- DN – Nominal diameter
- D – Outer diameter
- K – Drilling circle
- C – Thickness
- N – Number of holes
Example Dimensions
| DN | D (mm) | K (mm) | C (mm) | Bolts |
|---|---|---|---|---|
| 15 | 95 | 65 | 12 | M12 |
| 25 | 115 | 85 | 14 | M12 |
| 50 | 165 | 125 | 16 | M16 |
| 80 | 200 | 160 | 18 | M16 |
| 100 | 220 | 180 | 20 | M16 |
| 150 | 285 | 240 | 22 | M20 |
| 200 | 340 | 295 | 24 | M20 |
Characteristics of Blind Flange
- Complete and airtight closure of the pipes
- High pressure resistance
- Ideal for hydrostatic testing
- Easy to install and remove
- Durability and long lifespan
- Wide selection of materials and dimensions
Applications in North Africa
Emirerri Steel’s solid flanges are used in:
- Morocco : water networks, chemical industries
- Algeria : oil & gas, petrochemicals
- Tunisia : Water treatment, infrastructure
- Libya : Energy installations
- Egypt : chemical industry and construction
They are essential for systems requiring temporary or permanent insulation.
Manufacturing & Quality Control
At Emirerri Steel Tunisia:
- Certified raw materials
- High-precision forging
- Advanced CNC Machining
- Complete dimensional inspection
- Non-destructive testing (NDT)
- EN compliant certification
Why Choose Emirerri Steel Tunisia?
- Reliable manufacturer in North Africa
- Compliance with EN & AFNOR standards
- Competitive prices
- Fast delivery
- Large stock available
- Expert technical support
Packaging & Delivery
- Sturdy wooden crates
- Corrosion protection
- Standardized marking
- Delivery to Casablanca, Algiers, Tunis, Tripoli and Alexandria
Conclusion
Emirerri Steel Tunisia’s blind flanges offer an effective solution for sealing piping systems. Thanks to their robustness, compliance with standards, and versatility, they are indispensable in many industries across North Africa.