GOST 33259 PN 4.0 MPa WNRF Flanges Manufacturer & Exporter

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GOST 33259 PN 4.0 MPa WNRF Flanges

Manufacturer and Supplier of GOST 33259 PN 4.0 MPa Weld Neck Raised Face (WNRF) Flanges in various material grades. GOST 33259 WNRF Flanges Manufacturer in Mumbai, India. Carbon Steel GOST 33259 PN 4.0 MPa Weld Neck Raised Face Flanges, Stainless Steel GOST 33259 PN 4.0 MPa WNRF Flanges, Alloy Steel GOST 33259 WNRF Flanges, ASTM A182 Stainless Steel GOST 33259 PN 4.0 MPa Weld Neck Raised Face Flanges, Alloy 20 GOST 33259 WNRF Flanges, Copper Nickel GOST 33259 WNRF Flanges, PN 4.0 MPa GOST 33259 Weld Neck Raised Face Flanges Exporter in Mumbai, India.

Werner Flanges Inc. is a reputable manufacturer and supplier of GOST 33259 PN 4.0 MPa Weld Neck Raised Face (WNRF) Flanges, designed to operate well in high-pressure settings. These flanges are expertly made from high-quality materials such as carbon steel, stainless steel, alloy steel, and specialized alloys to provide optimal durability and corrosion resistance. Our flanges are ideal for demanding applications in the oil and gas, petrochemical, power generation, and maritime sectors. They fulfill strict quality standards and provide dependable sealing capabilities under harsh environments. At Werner Flanges Inc., we focus precision production and thorough testing to ensure that our products surpass our customers’ expectations.

Our GOST 33259 PN 4.0 MPa WNRF Flanges are available in a variety of sizes and material grades to meet a wide range of project specifications, making them an adaptable choice for a variety of industrial pipe systems. Werner Flanges Inc. provides prompt delivery and extensive support for flanges used in high-temperature or high-pressure applications. For professional guidance, product queries, or special orders, please contact our dedicated sales team at sales@wernerflanges.com. Werner Flanges Inc., your dependable flange solutions partner, provides unparalleled quality and service.

Werner Flanges Inc. is one of the leading manufacturers and suppliers of Duplex Steel GOST 33259 PN 4.0 MPa Weld Neck Raised Face (WNRF) Flanges, Industrial GOST 33259 PN 4.0 MPa WNRF Flanges, High Pressure GOST 33259 WNRF Flanges, Inconel 601 GOST 33259 PN 4.0 MPa WNRF Flanges, Hastelloy C276 GOST 33259 PN 4.0 MPa WNRF Flanges, Monel K500 GOST 33259 PN 4.0 MPa WNRF Flanges, Carbon Steel GOST 33259 PN 4.0 MPa WNRF Flanges, Stainless Steel 316 GOST 33259 WNRF Flanges, Titanium GOST 33259 PN 4.0 MPa WNRF Flanges, and more.

GOST 33259 PN 4.0 MPa WNRF Flanges Technical Specifications

Specification Details
Standard GOST 33259-2015
Pressure Rating PN 4.0 MPa (Approx. 580 PSI)
Flange Type Weld Neck Raised Face (WNRF) Flange
Facing Type Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
Size Range DN 10 to DN 2000 (Custom sizes available)
Temperature Range -20°C to +450°C (Depends on material)
Applications Oil & Gas, Petrochemical, Power Plants, Water Treatment, Marine & Industrial Sectors
Manufacturing Process Forged / Machined
Certification EN 10204 3.1 / 3.2, IBR, NACE MR0175 (if applicable)

Material Specifications for GOST 33259 PN 4.0 MPa WNRF Flanges

Type of Materials Common Specifications / Customization Available on Request
* Materials conform to ASTM/ASME standards and are compatible with GOST 33259 PN 4.0 MPa WNRF Flanges
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 GOST 33259 PN 4.0 MPa WNRF Flanges

Type Description
Blind WNRF Flanges (Type 05) Used to seal the ends of pipelines, valves, and pressure vessel openings, preventing flow in high-pressure systems.
Slip-On WNRF Flanges (Type 01) Designed to slip over the pipe with ease, suitable for moderate pressure applications with simpler installation.
Weld Neck WNRF Flanges (Type 11) Provide strong welded connections for high-stress, high-pressure environments ensuring durability and leak resistance.
Threaded WNRF Flanges (Type 13) Can be threaded onto pipes without welding, ideal for small diameter and lower pressure piping systems.
Lap Joint WNRF Flanges (Type 12) Used with stub ends to allow for frequent dismantling and maintenance in high-pressure pipelines.
Socket Weld WNRF Flanges (Type 14) Best suited for small bore pipes, offering strong socket weld connections with leak-proof joints.
Loose WNRF Flanges Paired with lap joint stub ends for quick assembly or disassembly in high-pressure pipeline systems.

Industries and Applications of GOST 33259 PN 4.0 MPa WNRF 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 Plants 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 Facilities Used in high-pressure water distribution, desalination, and wastewater treatment pipelines ensuring durability and leak resistance.
Shipbuilding & Marine 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.
Pulp & Paper Industry Supports high-pressure steam and chemical pipelines in pulp processing and paper manufacturing units.

Frequently Asked Questions (FAQs) about GOST 33259 PN 4.0 MPa WNRF Flanges

1. What is the pressure rating of GOST 33259 PN 4.0 MPa WNRF Flanges?
These flanges are rated for a pressure of 4.0 MPa (approximately 580 PSI), suitable for high-pressure industrial applications.
2. What materials are used for GOST 33259 PN 4.0 MPa WNRF Flanges?
They are manufactured using a variety of materials including carbon steel, stainless steel, alloy steel, Duplex steel, Inconel, Hastelloy, Monel, and titanium to meet different industrial requirements.
3. What types of GOST 33259 PN 4.0 MPa WNRF Flanges are available?
Common types include Weld Neck Raised Face (WNRF), Blind, Slip-On, Threaded, Lap Joint, Socket Weld, and Loose flanges.
4. Which industries typically use GOST 33259 PN 4.0 MPa WNRF Flanges?
These flanges are widely used in oil & gas, petrochemical, power generation, water treatment, marine, pharmaceutical, and food & beverage industries.
5. How do these flanges ensure leak-proof sealing?
The raised face (RF) design improves the gasket sealing surface area, providing a tight, secure, and leak-proof connection under high pressure and temperature conditions.
6. Can GOST 33259 PN 4.0 MPa WNRF Flanges be customized?
Yes, sizes, materials, pressure ratings, and face types can be customized to fit specific project or industry requirements.
7. What certifications do these flanges adhere to?
They comply with GOST 33259-2015, EN 10204 3.1/3.2, IBR, and NACE MR0175 certifications where applicable.
8. What is the typical temperature range for these flanges?
Depending on the material, GOST 33259 PN 4.0 MPa WNRF Flanges operate effectively between -20°C and +450°C.
9. What manufacturing processes are used to produce these flanges?
They are manufactured through forging and precision machining to ensure strength, durability, and dimensional accuracy.
10. How do I choose the correct flange type for my application?
Flange selection depends on factors such as operating pressure, temperature, fluid type, and maintenance needs. It is best to consult with experienced manufacturers like Werner Flanges Inc. for expert guidance.

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