NS 2525 / 2526 / 2527 / 2529 Plain Flanges Supplier

Norwegian NS 2525 / NS 2526 / NS 2527 / NS 2529 Plain Flanges

Werner Flanges Inc. offers a comprehensive range of NS 2525, NS 2526, NS 2527, and NS 2529 plain flanges designed in accordance with Norwegian industry standards. These flanges are commonly used to connect piping systems, especially where smooth, flat-face sealing is required. Manufactured using premium-grade materials, our NS standard plain flanges are ideal for low to medium pressure applications, ensuring optimal sealing performance and structural stability across diverse industries.

ASME-B16-47-class-400-series-b-Welding-Neck-Flanges-4

These plain flanges are widely used in offshore platforms, chemical plants, oil and gas pipelines, water treatment, and power generation projects. Werner Flanges Inc. keeps a large inventory of NS standard flanges ready for immediate dispatch, with pressure ratings and size ranges to meet project-specific requirements. Our logistics and export support ensure smooth supply for international customers and EPC contractors.

With decades of industry experience, Werner Flanges Inc. is a globally recognized manufacturer and supplier of high-performance piping components. Our NS 2525 / 2526 / 2527 / 2529 plain flanges are produced to meet strict quality assurance protocols, conforming to international standards such as ASTM, EN, and ISO. Whether you need small-batch production or bulk procurement, we provide reliable solutions tailored to your needs.

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Norwegian NS 2525 / NS 2526 / NS 2527 / NS 2529 Plain Flanges Technical Specifications

Specification	Details
Standard	NS 2525, NS 2526, NS 2527, NS 2529
Flange Types	Plain Flange (Flat Face)
Pressure Ratings	PN 10, PN 16, PN 25, PN 40
Size Range	DN 10 to DN 1200
Facing Types	Flat Face (FF)
Manufacturing Process	Forged / Machined
Testing & Certification	PMI, Ultrasonic, Hydrostatic, Third-Party Inspection

Norwegian NS 2525 / NS 2526 / NS 2527 / NS 2529 Plain Flanges

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
Cladded Materials	Titanium-Steel, Nickel-Steel, Titanium-Copper, Stainless Steel-Carbon Steel, Bimetallic/Trimetallic Combinations

Norwegian NS 2525 / NS 2526 / NS 2527 / NS 2529 Plain Flanges

NS Plain Flanges
Norwegian Standard Flat Face Flanges
NS 2525 Welding Flanges
NS 2526 Blind Flanges (Plain)
NS 2527 Plate Flanges
NS 2529 Pipe Flanges
NS FF Flanges

Norwegian NS 2525 / NS 2526 / NS 2527 / NS 2529 Plain 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 Norwegian NS 2525 / NS 2526 / NS 2527 / NS 2529 Plain Flanges:

1. What are NS 2525 / 2526 / 2527 / 2529 flanges used for?

These plain flanges are used in low to medium pressure piping systems where a flat face connection is needed, commonly in water, oil, and gas applications.

2. What materials are available for these NS plain flanges?

Werner Flanges Inc. supplies these flanges in carbon steel, stainless steel, alloy steel, and duplex steel depending on the application.

3. Are these flanges compatible with international pipe standards?

Yes, our NS flanges can be matched with ANSI, DIN, and ISO pipe systems with proper dimensional alignment.

4. Do you offer custom machining or special finishes?

Yes. We provide customized machining, surface treatment, and coating options as per client drawings or technical requirements.

5. What pressure ratings are available in NS 2525–2529 flanges?

We offer pressure classes ranging from PN 10 to PN 40 depending on the flange type and application.

6. Can I get third-party inspection (TPI) certification?

Absolutely. Werner Flanges Inc. arranges third-party inspections from agencies like SGS, TUV, BV upon request.

7. Do you export NS flanges outside Norway?

Yes, we are a global exporter and regularly supply NS standard flanges to customers across Europe, Asia, and the Middle East.