Norwegian Standard Flanges

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NS 2545, NS 2546, NS 2547, NS 2526 Flange (Norwegian Standard)

Norwegian Standard Flanges are essential components used in piping systems across various industries in Norway, particularly in the oil, gas, and petrochemical sectors. These flanges are designed to meet rigorous Norsk and NORSOK standards, ensuring high performance, durability, and safety in demanding environments. The most commonly used flanges include weld neck, slip-on, blind, and threaded types, with specifications tailored to meet different pressure and temperature requirements. Norwegian Standard flanges are crucial in ensuring the secure connection of pipes, valves, and other equipment, particularly in high-pressure and offshore applications. Arrow Piping Solutions provides flanges that meet these stringent standards, offering superior material quality, precision manufacturing, and reliable performance for a wide range of industrial applications.

Arrow Piping Solutions is a trusted manufacturer and supplier specializing in high-quality Flanges, and pipe components that meet international standards. With years of expertise, we provide a diverse range of products, including Norwegian Standard flanges, designed to meet the unique demands of industries. Our commitment to quality ensures that all our products undergo rigorous testing and quality control processes, guaranteeing superior performance and durability. At Arrow Piping Solutions, we pride ourselves on offering exceptional customer service, timely delivery, and cost-effective solutions tailored to meet the specific needs of our clients. Whether you require standard or customized components, we are your reliable partner for high-performance industrial solutions.

Long Weld Neck Flange

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Norwegian pipe flanges Specifications

SIZE RANGE

15mm (1/2" NPS ) up to 600mm ( 24" NPS ), For 2500# in sizes from NPS 1/2 to NPS 12

STANDARDS / DIMENSION

ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN

PRESSURE CLASS

150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64.

FLANGE FACE TYPE

FF—Flat Face, RF—Raised Face, FM—Female Face, M—Male Face, T—Tongue Face, G—Groove Face, RJ—Ring Joint.

CARBON STEEL

ASTM A105/A105N (SA105N), LTCS A350 LF2, A694

DUPLEX & SUPER DUPLEX

ASTM A182 / ASME SA182 - S31803, S32205, 2205, S32750, S32760, S32950, 2507.

STAINLESS STEEL

ASTM A182 F304, 304L, 304H, 316, 316L, 316H, 317, 317L, 321, 321H, 310, 310S, 347, 904L, etc.

ALLOY STEEL

ASTM A182 / SA182 - F1 / F5 / F9 / F11 / F12 / F22 / F91

MTC

EN 10204 3.2 and EN 10204 3.1, Test Certificates certifying NACE MR0175, NACE MR0103

Norwegian Flanges - Dimensions


Weld Neck Flange Diagram

Blind NS2545 PN10 Flange - Dimensions

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Blind NS2546 PN16 Flange - Dimensions

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Blind NS2547 PN40 Flange - Dimensions

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Norwegian pipe flanges Standards

Norwegian pipe flange standards are critical for ensuring the safety, performance, and reliability of piping systems in various industries such as oil and gas, power generation, and petrochemicals. These standards, while often aligning with international guidelines, have specific requirements tailored to Norwegian industrial practices.

1. NS 2545 - Flanges for Oil and Gas Applications:

Specifies dimensions, materials, and pressure ratings for flanges used in oil and gas pipelines, ensuring safety and reliability.

2. NS 2546 - Flanges for Pressure Piping Systems

Outlines requirements for various flange types, including weld neck and slip-on, for pressure systems, focusing on high performance and resistance to high temperatures and corrosion.

3. NS 2547 - Flanges for Offshore Installations

Defines flange standards for offshore applications, ensuring durability and resistance to harsh marine conditions.

WHY Arrow Piping Solutions For NORSOK flange standard !

Arrow Piping Solutions stands out as a top choice for NORSOK flange standards due to the following reasons:

Expertise in NORSOK Standards

Arrow Piping Solutions ensures full compliance with NORSOK standards, guaranteeing flanges that meet the rigorous requirements for the oil and gas industry, particularly for offshore applications.

Durability and Performance

With advanced manufacturing processes and strict quality control, Arrow Piping Solutions' NORSOK flanges are designed to withstand high pressure, temperature, and corrosive conditions in offshore and industrial settings.

Fast Delivery

With a robust supply chain, we ensure timely delivery of NORSOK flanges, reducing downtime and improving operational efficiency for our clients.

Reliability

Our NORSOK-compliant flanges are trusted by industry leaders for their longevity, safety, and performance, making Arrow Piping Solutions a reliable partner for your flange needs.

What are the main standards for Norwegian flanges?

NS 2545: Flanges for oil and gas applications.

NS 2546: Flanges for pressure piping systems.

NS 2547: Flanges for specific industrial applications.

What industries use Norwegian Standard flanges?

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NS flanges are mainly used in industries such as oil and gas, offshore installations, petrochemical plants, power generation, and water treatment systems, where reliability, strength, and resistance to extreme temperatures and pressures are essential.

What types of flanges are available under the Norwegian Standards?

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Weld neck flanges

Slip-on flanges

Blind flanges

Threaded flanges

AVAILABLE TYPES OF FLANGES

TONGUE AND GROOVE FLANGES

MALE AND FEMALE FLANGES

WELD NECK FLANGES

BLIND FLANGES

Orifice Flange

Socket Weld Flange / SWRF Flange