GOST 33259 PN 2.5 MPa WNRF Flanges
Manufacturer and Supplier of GOST 33259 PN 2.5 MPa Weld Neck Raised Face (WNRF) Flanges in various material grades. GOST 33259 WNRF Flanges Manufacturer in Mumbai, India. Carbon Steel GOST 33259 PN 2.5 MPa Weld Neck Raised Face Flanges, Stainless Steel GOST 33259 PN 2.5 MPa WNRF Flanges, Alloy Steel GOST 33259 WNRF Flanges, ASTM A182 Stainless Steel GOST 33259 PN 2.5 MPa Weld Neck Raised Face Flanges, Alloy 20 GOST 33259 WNRF Flanges, Copper Nickel GOST 33259 WNRF Flanges, PN 2.5 MPa GOST 33259 Weld Neck Raised Face Flanges Exporter in Mumbai, India.
GOST 33259 PN 2.5 MPa Weld Neck Raised Face (WNRF) Flanges are designed to suit the high-pressure piping requirements of a wide range of industries. These flanges, designed in accordance with the GOST 33259-2015 standard, provide remarkable strength and endurance, with a pressure rating of 2.5 MPa (about 362 PSI). The weld neck design guarantees a seamless transition from flange to pipe, reducing stress while ensuring leak-proof, secure connections in important applications. Werner Flanges Inc. specializes in producing these flanges from premium materials such as carbon steel, stainless steel, alloy steel, and custom alloys to meet your unique operating needs.
Werner Flanges Inc. recognizes the significance of dependability and precision in industrial pipes. Our GOST 33259 PN 2.5 MPa WNRF flanges go through stringent quality inspections and are available in a variety of diameters and facing styles, including Raised Face (RF), Flat Face (FF), and Ring Type Joint (RTJ). These flanges are ideal for industries such as oil and gas, petrochemical, power generation, and marine. They provide outstanding performance even under difficult situations. For professional advice and special orders, email us immediately at sales@wernerflanges.com to enjoy industry-leading service and product quality.
Werner Flanges Inc. is one of the leading manufacturers and suppliers of Duplex Steel GOST 33259 PN 2.5 MPa Weld Neck Raised Face (WNRF) Flanges, Industrial GOST 33259 PN 2.5 MPa WNRF Flanges, High Pressure GOST 33259 WNRF Flanges, Inconel 601 GOST 33259 PN 2.5 MPa WNRF Flanges, Hastelloy C276 GOST 33259 PN 2.5 MPa WNRF Flanges, Monel K500 GOST 33259 PN 2.5 MPa WNRF Flanges, Carbon Steel GOST 33259 PN 2.5 MPa WNRF Flanges, Stainless Steel 316 GOST 33259 WNRF Flanges, Titanium GOST 33259 PN 2.5 MPa WNRF Flanges, and more.
GOST 33259 PN 2.5 MPa WNRF Flanges Technical Specifications
| Specification | Details |
|---|---|
| Standard | GOST 33259-2015 |
| Pressure Rating | PN 2.5 MPa (Approx. 362 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 2.5 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 2.5 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 2.5 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 2.5 MPa WNRF Flanges:
| Industry | Application |
|---|---|
| Oil & Gas Industry | Used extensively in upstream, midstream, and downstream processes for high-pressure pipeline systems and equipment. |
| Petrochemical Plants | Suitable for high-temperature and corrosive chemical pipelines in refining and chemical production units. |
| Power Generation | Installed in thermal, nuclear, and hydroelectric power plants for critical high-pressure steam and fluid applications. |
| Water Treatment Facilities | Used in high-pressure pipelines for water purification, desalination, and wastewater management systems. |
| Shipbuilding & Marine Industry | Applied in seawater piping systems, ballast systems, and high-pressure marine vessel applications. |
| Pharmaceutical Industry | Ensures hygienic, high-pressure piping systems in cleanroom environments and sterile fluid handling. |
| Food & Beverage Industry | Used in hygienic, corrosion-resistant piping for high-pressure processing and manufacturing lines. |
| Pulp & Paper Industry | Supports high-pressure steam, chemical delivery, and processing lines in pulp and paper manufacturing. |
Frequently Asked Questions (FAQs) about GOST 33259 PN 2.5 MPa WNRF Flanges
- 1. What is the pressure rating of GOST 33259 PN 2.5 MPa WNRF Flanges?
- These flanges are rated for a pressure of 2.5 MPa (approximately 362 PSI), making them suitable for high-pressure industrial applications.
- 2. What materials are used for GOST 33259 PN 2.5 MPa WNRF Flanges?
- They are commonly made from carbon steel, stainless steel, alloy steel, and specialty alloys such as Inconel, Hastelloy, and Duplex steel to withstand various operating conditions.
- 3. What types of GOST 33259 PN 2.5 MPa WNRF Flanges are available?
- Typical types include Weld Neck Raised Face (WNRF), Slip-On, Blind, Threaded, Lap Joint, and Socket Weld flanges.
- 4. In which industries are these flanges primarily used?
- They are widely used in oil & gas, petrochemical, power generation, water treatment, marine, pharmaceutical, food & beverage, and pulp & paper industries.
- 5. How do GOST 33259 PN 2.5 MPa WNRF Flanges ensure reliable sealing?
- The raised face design enhances gasket contact area, ensuring tight, leak-proof connections even under high pressure and temperature.
- 6. Can these flanges be customized?
- Yes, customization in terms of size, material, pressure rating, and face type is available to meet specific project requirements.
- 7. What certifications do these flanges comply with?
- They typically comply with GOST 33259-2015, EN 10204 3.1/3.2, IBR, and NACE MR0175 standards when applicable.
- 8. How to select the right flange type for my application?
- Selection depends on factors such as pressure, temperature, fluid type, and installation needs. Consulting with experienced flange manufacturers or suppliers is recommended for optimal choice.
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