NS 2545 / NS 2546 / NS 2547 Blind Flange Supplier | Werner Flanges
Werner Flanges Inc. is a trusted manufacturer and exporter of NS 2545, NS 2546, and NS 2547 blind flanges in multiple grades for industrial piping systems.
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Werner Flanges Inc. offers a comprehensive range of NS 2545, NS 2546, and NS 2547 blind flanges, manufactured in compliance with Norwegian standards for use in pressure piping systems. These flanges are essential for sealing pipe ends in systems that require temporary or permanent closures, ensuring safe and secure flow control. Designed for strength and integrity, our NS series blind flanges are available in a variety of pressure classes and face types to meet stringent industrial requirements.
Our blind flanges are widely used across the offshore, marine, chemical, and petrochemical sectors where Norwegian specifications are required. Werner Flanges Inc. maintains a large inventory to meet urgent project needs, and we offer global shipping with full documentation and quality assurance. Backed by decades of technical expertise, we are a trusted partner for engineers, procurement managers, and EPC contractors seeking dependable NS 2545, NS 2546, and NS 2547 blind flanges.
NS 2545 / NS 2546 / NS 2547 Blind Flange Technical Specifications
| Specification | Details |
|---|---|
| Standard | NS 2545, NS 2546, NS 2547 (Compatible with ANSI, DIN, BS, EN1092, JIS, GOST Standards) |
| Flange Types | Weld Neck (WN), Slip-On (SO), Blind (BL), Socket Weld (SW), Threaded (TH), Lap Joint (LJ), Spectacle, Reducing |
| Pressure Ratings | 150, 300, 600, 900, 1500, 2500 LBS / PN 6, 10, 16, 25, 40 |
| Size Range | ½” (15NB) to 48” (1200NB) |
| Facing Types | Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Tongue & Groove, Male-Female |
| Manufacturing Process | Forged / Machined |
| Testing & Certification | EN 10204 3.1 / 3.2, Hydrostatic Test, PMI, Third-Party Inspection |
Material Specifications for NS 2545 / NS 2546 / NS 2547 Blind Flange
| Type of Materials | Common Specifications / Customization Available on Request |
|---|---|
| Duplex Steel | ASTM/ASME A182 F51, F60, F61, UNS S31803, UNS S32205 |
| Super Duplex Steel | ASTM/ASME A182 F53, F55, UNS S32750, UNS S32760, F44 (6Mo) |
| Stainless Steel | ASTM/ASME A182 F304, F304L, F316, F316L, F310, F317L, F321, F347 |
| Carbon Steel | ASTM A105, A350 LF1, LF2, LF3, A266 Class 1/2, A694 F42 to F70, A765 Gr. II |
| Alloy Steel | ASTM/ASME A182 F1, F5, F9, F11, F12, F22 |
| Non-Ferrous Alloys | Titanium, Brass, Admiralty Brass, Copper Nickel, Nickel Alloys, Hastelloy |
| Titanium | ASTM/ASME B381 Gr.1, Gr.2, Gr.5, Gr.7, Gr.12, Gr.16 |
| Copper Nickel | ASTM B151 UNS C70600 (Cu-Ni 90/10), C71500 (Cu-Ni 70/30) |
| Brass, Al-Brass | ASTM B152 UNS C26000, C27200, C28000; ASTM B111 for Al-Brass |
| Nickel Alloys | ASTM B160, B161, B564 – UNS N02200, N02201, N04400, N08800, N08825, N06600, N06601, N06625, Monel K500 |
| Alloy 20 | ASTM B462 UNS N08020 |
| Hastelloy | ASTM B564 UNS N10276 (Hastelloy C276), N06022 (Hastelloy C22) |
| Cladded Materials | ASTM B898, B265, B424 or custom explosion/clad bonding using dissimilar metals |
| Titanium-Steel, Nickel-Steel, Titanium-Copper, Stainless Steel-Carbon Steel, Bimetallic/Trimetallic Combinations |
Types of NS 2545 / NS 2546 / NS 2547 Blind Flanges
- Raised Face (RF) Blind Flanges
- Flat Face (FF) Blind Flanges
- Ring Type Joint (RTJ) Blind Flanges
- Tapped Blind Flanges
- Custom Drilled Blind Flanges
- Hubbed Blind Flanges
- Spectacle Blind Flanges
- Forged Blind Flanges
Industries and Applications of NS 2545 / NS 2546 / NS 2547 Blind Flanges
| Industry | Application |
|---|---|
| Oil & Gas Industry | Used extensively in upstream, midstream, and downstream operations for high-pressure piping and processing systems requiring robust sealing solutions. |
| Petrochemical & Chemical Processing | Ideal for handling corrosive chemicals and high-temperature pipelines in refining and chemical manufacturing processes. |
| Power Generation | Installed in thermal, nuclear, and hydroelectric power plants for critical pressure applications and steam systems. |
| Water Treatment & Desalination | Used in high-pressure water distribution, desalination, and wastewater treatment pipelines ensuring durability and leak resistance. |
| Marine & Offshore Industry | Suitable for seawater piping systems, ballast systems, and pressure vessels in marine engineering and offshore platforms. |
| Pharmaceutical Industry | Ensures sanitary, high-pressure fluid handling in sterile environments and cleanroom process systems. |
| Food & Beverage Industry | Used in hygienic and high-pressure processing lines where corrosion resistance and strength are critical. |
| Mining & Mineral Processing | Supports slurry transport systems and ore processing pipelines in mining operations. |
Frequently Asked Questions (FAQs) about Types of NS 2545 / NS 2546 / NS 2547 Blind Flanges
Q1. What is the difference between NS 2545, NS 2546, and NS 2547 blind flanges?
These designations refer to Norwegian standard specifications for blind flanges. They differ mainly in pressure rating, design criteria, and dimensional tolerances.
Q2. What industries use NS-standard blind flanges?
They are commonly used in offshore oil and gas platforms, marine installations, chemical processing plants, and other high-performance piping systems.
Q3. Can Werner Flanges Inc. supply custom sizes or special alloys?
Yes, we can manufacture blind flanges in custom sizes and exotic materials based on your project specifications and application requirements.
Q4. Do these flanges comply with international testing standards?
Absolutely. All blind flanges from Werner Flanges Inc. undergo rigorous testing, including PMI, UT, RT, and hydro testing, as required.
Q5. What face types are available for NS 2545/46/47 blind flanges?
We offer raised face (RF), flat face (FF), and ring type joint (RTJ) face configurations.
Q6. Can you export these flanges internationally?
Yes, Werner Flanges Inc. exports NS 2545, NS 2546, and NS 2547 blind flanges to over 40 countries with full compliance to global documentation norms.
Q7. What documentation is provided with each delivery?
We provide MTCs (EN 10204 3.1/3.2), dimensional reports, test certificates, and third-party inspection documents as required by the client.
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