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The company focuses on core products such as flanges and pipe fittings, covering 12 major categories including elbows, three-way joints, reducers, flange discs, pipe caps, etc., with over 2,000 different varieties.
A Butt Weld Eccentric Reducer is a pipe fitting used to connect pipes of different diameters in a straight pipeline, with the two ends having offset center lines (one side remains flat, while the other tapers). This design prevents air or gas pockets from forming inside the pipeline. Key Features Connection Type: Beveled ends for butt welding, forming a permanent, high-strength, leak-proof joint suitable for high-pressure and high-temperature systems.Structure: Tapered body with offset center axes, creating a level top or bottom surface to avoid fluid trapping.Function: Reduces pipe diameter while eliminating air entrapment, making it ideal for liquid pipelines.Standards: Manufactured to ASME B16.9, MSS SP‑43 and other international standards.Materials: Carbon steel, stainless steel (304, 316L), alloy steel, and other corrosion-resistant alloys. Applications Butt weld eccentric reducers are widely used in: Pump suction lines (to prevent cavitation)Liquid pipelines in oil & gas, petrochemical, and chemical plantsWater treatment, HVAC, and industrial process pipingSystems where gas accumulation must be avoided
**Butt Weld Reducing Tee**A butt weld reducing tee is a crucial component in piping systems, particularly in industries such as oil and gas, water treatment, and chemical processing. This type of fitting serves to connect three sections of pipe, allowing for a change in pipe diameter while maintaining the integrity of the flow. Understanding the design, application, and advantages of butt weld reducing tees is essential for engineers, project managers, and technicians involved in pipeline construction and maintenance.**Design and Construction**The butt weld reducing tee features a T-shaped configuration with three openings: one for the main pipe and two for the branch pipes. The main pipe typically has a larger diameter than the branch pipes, which is where the term "reducing" comes into play. This design allows for a smooth transition from a larger to a smaller pipe, minimizing turbulence and pressure loss in the system.Constructed from various materials such as stainless steel, carbon steel, and alloys, the choice of material often depends on the application and environmental conditions. For example, stainless steel is preferred in corrosive environments, while carbon steel is commonly used in general applications. The welding process used to create the tee involves butt welding, which provides a strong, leak-proof joint that is essential for maintaining the integrity of high-pressure systems.**Applications**Butt weld reducing tees are widely used across various industries. In oil and gas, they are utilized in pipelines that transport crude oil, natural gas, and refined products. The ability to connect different pipe sizes seamlessly is vital in ensuring efficient flow and minimizing the risk of leaks.In water treatment facilities, reducing tees are employed to manage the distribution of water through different pipe sizes. They facilitate the connection of larger main lines to smaller service lines, ensuring that water can be distributed effectively to various parts of the facility.Chemical processing plants also rely on butt weld reducing tees to handle various chemicals safely. The durability and reliability of these fittings are crucial in preventing leaks that could lead to hazardous situations. Furthermore, the smooth transition between different pipe sizes helps maintain the necessary flow rates and pressures required for chemical reactions.**Advantages**One of the primary advantages of butt weld reducing tees is their ability to provide a robust and permanent connection between pipes. The butt welding process creates a joint that is as strong as the pipe itself, ensuring that the system can withstand high pressures and temperatures without the risk of failure.Another significant advantage is the reduction of turbulence and pressure loss. The smooth internal surface of the tee allows for a more efficient flow of fluids, which is essential in high-performance systems. This efficiency can lead to energy savings and improved overall system performance.Additionally, butt weld reducing tees are versatile and can be manufactured in various sizes and materials to meet specific project requirements. This flexibility allows engineers to design piping systems that are tailored to the unique needs of each application, whether it involves high-pressure gas lines or low-pressure water distribution.**Installation and Maintenance**The installation of butt weld reducing tees requires skilled labor and proper equipment. Welders must be trained in the techniques necessary to create strong, leak-proof joints. Proper preparation of the pipe ends and careful execution of the welding process are critical to ensuring a successful installation.Once installed, the maintenance of butt weld reducing tees is generally minimal. However, regular inspections are recommended to identify any signs of wear or corrosion, particularly in harsh environments. Proper maintenance practices can extend the life of the fitting and prevent costly repairs or replacements down the line.**Conclusion**In summary, butt weld reducing tees are essential components in various piping systems, offering a reliable and efficient means of connecting pipes of different diameters. Their robust design, combined with the advantages of butt welding, makes them a preferred choice in industries that require high-performance and durable piping solutions. Understanding their applications, benefits, and maintenance requirements is crucial for professionals involved in the design and management of piping systems. As industries continue to evolve and demand more efficient solutions, the role of butt weld reducing tees will undoubtedly remain significant in ensuring the integrity and efficiency of fluid transport systems.
A Butt Weld 90° Elbow is a standard pipe fitting used to change the direction of flow in a piping system by 90 degrees while connecting two sections of pipe via direct butt welding. Core Definition & Connection Butt Weld (BW): The fitting’s ends are precision-beveled to match the pipe’s wall thickness, enabling full penetration welding directly to the pipe ends.This creates a permanent, leak-proof, high-strength joint that acts as an integral part of the pipeline.Primarily used for same-size pipes (equal-diameter elbows); reducing (concentric/eccentric) versions are also available for connecting different pipe sizes. Key Types (Radius) Long Radius (LR): Centerline radius = 1.5 × Nominal Pipe Diameter (1.5D).Smoother flow, lower pressure drop, less turbulence.Most common for general industrial use.Short Radius (SR): Centerline radius = 1.0 × Nominal Pipe Diameter (1.0D).Compact, for tight spaces.Higher pressure loss. Common Materials Carbon Steel: ASTM A234 WPB (most widely used).Stainless Steel: ASTM A403 WP304, WP316L (corrosive environments).Alloy Steel: For high-temperature/pressure (e.g., power plants). Standards & Dimensions Standards: ASME B16.9, MSS SP-43, API, JIS, EN.Sizes: 1/2" to 80" (DN15 to DN2000).Wall Thickness: SCH 40 (STD), SCH 80 (XS), SCH 160, XXS. Typical Applications Oil & gas, petrochemical, refineriesPower generation (thermal, nuclear)Chemical processingBoiler and utility pipingShipbuilding, offshore platformsHigh-pressure/high-temperature pipelines Advantages Strong, rigid, leak-proof (no gaskets/threads).Full bore flow (minimal obstruction).High integrity for pressure/vacuum/corrosion.Smooth interior (reduces friction & buildup).Long service life under severe conditions. the butt weld 90° elbow is the primary, reliable fitting for sharp directional changes in heavy-duty piping systems worldwide.
A Tube Sheet Flange (often referred to simply as a Tubesheet) is a critical, specialized component primarily used in shell-and-tube heat exchangers, boilers, and pressure vessels. It is a thick, circular, forged steel plate integrated with a flange rim, serving the dual purpose of structurally supporting a bundle of tubes and acting as a pressure-containing seal to isolate two different fluids.Core Design & FunctionsTube Support & AlignmentIt is precision-drilled with hundreds or thousands of accurately spaced, sized holes to securely hold heat-exchanger tubes.Tubes are fixed into the holes via welding, roller expansion, or hydraulic expansion to ensure rigidity and prevent leaks.It acts as the main structural "skeleton" for the entire tube bundle, resisting vibration, thermal stress, and internal pressure.Fluid Isolation & SealingThe outer flange face connects and seals to the vessel/shell, creating an impermeable barrier.It strictly separates the tube-side fluid (flowing inside the tubes) from the shell-side fluid (flowing around the tubes in the vessel), preventing cross-contamination.Pressure BoundaryAs part of the pressure vessel, it must withstand high internal pressures (up to Class 2500/PN420) and extreme temperatures.Key FeaturesConstruction: Typically manufactured from a single forged plate for high strength.Precision: Extremely tight tolerances for hole diameter, pitch, perpendicularity, and surface finish.Flange Face: Available with standard flange facings such as Raised Face (RF), Ring Type Joint (RTJ), or Flat Face (FF) for connection.Sizes: Ranges from small diameters to very large sizes (4–5 meters common in power and chemical plants).Standards: Designed and manufactured per ASME Section VIII, ASME B16.5, B16.47, and GB 150/151.Common MaterialsCarbon Steel: A105, A350 LF2, Q345R (for general, non-corrosive service).Stainless Steel: 304/304L, 316/316L (for corrosive environments).High-Alloy & Special Metals: Titanium, Hastelloy, Inconel, Duplex Steel (for highly corrosive, high-temperature, or high-pressure services).Typical ApplicationsShell-and-Tube Heat Exchangers (oil refineries, chemical plants)Boilers & Steam Generators (power stations)Condensers & Evaporators (HVAC, refrigeration, desalination)Pressure Vessels (petrochemical, nuclear industries)AdvantagesDual Functionality: Combines structural support and pressure sealing in one component.Extreme Durability: Handles high pressure, temperature, and thermal cycling.Superior Sealing: Ensures zero leakage between process fluids.Customizable: Fabricated in any size, material, or hole pattern to meet project specifications.
Threaded Flange (TH) is a flange connected to the pipe by thread, without welding, which is convenient for disassembly and maintenance. It has the advantages of simple structure, quick installation, no damage to the pipe during installation, and is suitable for low-pressure, small-diameter pipeline systems and scenarios that require frequent disassembly. As a convenient and practical flange type, it is widely used in various light industrial and civilian pipeline systems, perfectly meeting the needs of international trade and small-scale project applications.Core AdvantagesNo Welding Required: Connected by thread, avoiding welding operations, reducing construction difficulty and preventing pipe damage caused by welding.Easy Disassembly & Maintenance: Can be quickly disassembled and assembled, convenient for pipeline maintenance, inspection and replacement of components.Simple Structure & Quick Installation: Small volume, light weight, simple structure, quick installation, improving construction efficiency.Suitable for Small Diameter: Especially suitable for small-diameter pipeline systems (DN15 ~ DN100), with good applicability.Global Standard Compliance: Strictly manufactured in accordance with international and national standards, fully adapting to global market requirements.Key SpecificationsStandards: International Standard (ISO 7005), American Standard (ASME B16.5), German Standard (DIN 2501), European Standard (EN 1092-1), Japanese Standard (JIS B2220), Chinese Standard (GB/T 9114, HG/T 20592, HG/T 20615)Materials: Carbon steel (A105, 20#, Q235B), stainless steel (304, 316L), alloy steel (16Mn) — customizable according to medium and working conditions.Pressure Ratings: Class 150, 300; PN10, PN16, PN25Nominal Diameter: DN15 ~ DN100 (NPS 1/2" ~ 4")Thread Type: NPT (American Standard), BSP (British Standard), G (Metric Thread)Sealing Surface Types: FF (Flat Face), RF (Raised Face)Working Temperature: -20℃ ~ 300℃ (customizable for special requirements)ApplicationsWidely applied in water supply and drainage, HVAC, gas pipeline, chemical engineering (low pressure), pharmaceutical, food and beverage, small-scale industrial equipment and other industries. It is an ideal flange connection solution for low-pressure, small-diameter pipeline systems and scenarios requiring frequent disassembly, and is exported to countries and regions around the world, favored by global customers for its convenience.As a professional manufacturer based in Cangzhou Pipeline Equipment Manufacturing Base, Hebei, China, we provide customized services for Threaded Flanges according to customer drawings, specifications, materials and standards, and offer one-stop supply and after-sales support to meet the personalized needs of global projects.Threaded Flange (TH) is a flange connected to the pipe by thread, without welding, which is convenient for disassembly and maintenance. It has the advantages of simple structure, quick installation, no damage to the pipe during installation, and is suitable for low-pressure, small-diameter pipeline systems and scenarios that require frequent disassembly. As a convenient and practical flange type, it is widely used in various light industrial and civilian pipeline systems, perfectly meeting the needs of international trade and small-scale project applications.Core AdvantagesNo Welding Required: Connected by thread, avoiding welding operations, reducing construction difficulty and preventing pipe damage caused by welding.Easy Disassembly & Maintenance: Can be quickly disassembled and assembled, convenient for pipeline maintenance, inspection and replacement of components.Simple Structure & Quick Installation: Small volume, light weight, simple structure, quick installation, improving construction efficiency.Suitable for Small Diameter: Especially suitable for small-diameter pipeline systems (DN15 ~ DN100), with good applicability.Global Standard Compliance: Strictly manufactured in accordance with international and national standards, fully adapting to global market requirements.Key SpecificationsStandards: International Standard (ISO 7005), American Standard (ASME B16.5), German Standard (DIN 2501), European Standard (EN 1092-1), Japanese Standard (JIS B2220), Chinese Standard (GB/T 9114, HG/T 20592, HG/T 20615)Materials: Carbon steel (A105, 20#, Q235B), stainless steel (304, 316L), alloy steel (16Mn) — customizable according to medium and working conditions.Pressure Ratings: Class 150, 300; PN10, PN16, PN25Nominal Diameter: DN15 ~ DN100 (NPS 1/2" ~ 4")Thread Type: NPT (American Standard), BSP (British Standard), G (Metric Thread)Sealing Surface Types: FF (Flat Face), RF (Raised Face)Working Temperature: -20℃ ~ 300℃ (customizable for special requirements)ApplicationThreaded Flange (TH) is a flange connected to the pipe by thread, without welding, which is convenient for disassembly and maintenance. It has the advantages of simple structure, quick installation, no damage to the pipe during installat
English IntroductionSocket Weld Flange (SW) is a flange with a socket structure, which inserts the pipe into the flange socket and fixes it by fillet welding. It has the advantages of compact structure, small volume, reliable sealing and strong pressure resistance, and is suitable for small-diameter, high-pressure pipeline systems. As a high-performance flange type for small-diameter pipelines, it is widely used in high-pressure, high-precision industrial pipeline systems, perfectly meeting the needs of international trade and high-end small-diameter project applications.Core AdvantagesCompact Structure: Small volume, light weight, suitable for narrow installation spaces and small-diameter pipeline systems.Reliable Sealing & High Pressure Resistance: The socket structure and fillet welding ensure good sealing performance and strong pressure resistance, suitable for high-pressure working conditions.Smooth Internal Flow: The pipe is inserted into the socket, with smooth internal transition, reducing fluid resistance and avoiding medium accumulation.Easy Installation: The socket design is convenient for pipe alignment and welding, improving construction efficiency and welding quality.Global Standard Compliance: Strictly manufactured in accordance with international and national standards, fully adapting to global market requirements.Key SpecificationsStandards: International Standard (ISO 7005), American Standard (ASME B16.5), German Standard (DIN 2501), European Standard (EN 1092-1), Japanese Standard (JIS B2220), Chinese Standard (GB/T 9117, HG/T 20592, HG/T 20615)Materials: Carbon steel (A105, 20#), stainless steel (304, 316L), alloy steel (16Mn, 15CrMo, F11) — customizable according to medium and working conditions.Pressure Ratings: Class 300, 600, 900, 1500, 2500; PN25, PN40, PN63, PN100Nominal Diameter: DN15 ~ DN100 (NPS 1/2" ~ 4")Sealing Surface Types: RF (Raised Face), FF (Flat Face), RTJ (Ring Type Joint)Working Temperature: -40℃ ~ 550℃ (customizable for high-temperature special requirements)ApplicationsWidely applied in petroleum, petrochemical, natural gas, power generation, chemical engineering, nuclear energy and other high-end industries. It is an ideal flange connection solution for small-diameter, high-pressure, high-precision pipeline systems, especially suitable for pipeline systems with high requirements for fluid flow and sealing, and is exported to countries and regions around the world, winning wide recognition from global customers.As a professional manufacturer based in Cangzhou Pipeline Equipment Manufacturing Base, Hebei, China, we provide customized services for Socket Weld Flanges according to customer drawings, specifications, materials and standards, and offer one-stop supply and after-sales support to meet the personalized needs of global projects.
Lap Joint Flange (LJ), also known as Loose Flange, is a flange composed of a flange ring and a Stub End (lap joint short section). The flange ring is loosely sleeved on the Stub End, which is welded to the pipe, and the flange ring is connected by bolting. It has the advantages of convenient disassembly, low cost, and no damage to the pipe during disassembly, and is suitable for large-diameter, low and medium pressure pipeline systems and scenarios that require frequent disassembly. As a flexible flange type, it is widely used in various industrial pipeline systems, perfectly meeting the needs of international trade and large-diameter project applications.Core AdvantagesConvenient Disassembly: The flange ring is loosely sleeved on the Stub End, which can be quickly disassembled without damaging the pipe and Stub End, facilitating maintenance and replacement.Cost-Effective: The flange ring has a simple structure and low manufacturing cost, especially suitable for large-diameter pipeline systems, reducing overall project costs.Good Adaptability: Suitable for large-diameter, low and medium pressure pipeline systems, compatible with various media, and can adapt to slight pipeline displacement.No Pipe Damage: Disassembly only involves the flange ring, avoiding damage to the pipe and welding joints, extending the service life of the pipeline.Global Standard Compliance: Strictly manufactured in accordance with international and national standards, fully adapting to global market requirements.Key SpecificationsStandards: International Standard (ISO 7005), American Standard (ASME B16.5), German Standard (DIN 2501), European Standard (EN 1092-1), Japanese Standard (JIS B2220), Chinese Standard (GB/T 9118, HG/T 20592, HG/T 20615)Materials: Flange Ring: Carbon steel (A105, Q235B), Stainless steel (304, 316L); Stub End: Carbon steel (20#, 16Mn), Stainless steel (304, 316L) — customizable according to medium and working conditions.Pressure Ratings: Class 150, 300, 600; PN10, PN16, PN25, PN40Nominal Diameter: DN50 ~ DN2000 (NPS 2" ~ 80")Sealing Surface Types: RF (Raised Face), FF (Flat Face)Working Temperature: -20℃ ~ 450℃ (customizable for special requirements)ApplicationsWidely applied in petroleum, petrochemical, natural gas, water supply and drainage, HVAC, chemical engineering, marine and other industries. It is an ideal flange connection solution for large-diameter, low and medium pressure pipeline systems and scenarios requiring frequent disassembly, such as pipeline maintenance, inspection and medium replacement, and is exported to countries and regions around the world, winning unanimous recognition from global customers.As a professional manufacturer based in Cangzhou Pipeline Equipment Manufacturing Base, Hebei, China, we provide customized services for Lap Joint Flanges (including flange rings and Stub Ends) according to customer drawings, specifications, materials and standards, and offer one-stop supply and after-sales support to meet the personalized needs of global projects.
Blind Flange (BL) is a flange with a solid disc structure, used to seal the end of the pipeline, prevent the leakage of medium and protect the internal structure of the pipeline. It is connected to the pipeline by bolting, with a simple structure, reliable sealing and strong pressure resistance, and is widely used in all types of pipeline systems that need to be sealed temporarily or permanently. As an essential sealing component in pipeline systems, it perfectly meets the needs of international trade and various project applications.Core AdvantagesReliable Sealing: Solid disc structure, combined with high-precision sealing surface and gasket, ensures reliable sealing, preventing medium leakage.Strong Pressure Resistance: Thick disc design, strong bearing capacity, suitable for low, medium and high pressure pipeline systems.Simple Structure & Easy Installation: No complex processing, easy to bolt and install, convenient for disassembly and maintenance when needed.Wide Application: Suitable for all types of pipeline systems, can be used for temporary sealing (maintenance, inspection) or permanent sealing of pipeline ends.Global Standard Compliance: Strictly manufactured in accordance with international and national standards, fully adapting to global market requirements.Key SpecificationsStandards: International Standard (ISO 7005), American Standard (ASME B16.5), German Standard (DIN 2501), European Standard (EN 1092-1), Japanese Standard (JIS B2220), Chinese Standard (GB/T 9113, HG/T 20592, HG/T 20615)Materials: Carbon steel (A105, 20#, Q235B), stainless steel (304, 316L), alloy steel (16Mn, F11, F22) — customizable according to medium and working conditions.Pressure Ratings: Class 150, 300, 600, 900, 1500, 2500; PN10, PN16, PN25, PN40, PN63, PN100Nominal Diameter: DN15 ~ DN2000 (NPS 1/2" ~ 80")Sealing Surface Types: RF (Raised Face), FF (Flat Face), RTJ (Ring Type Joint), MFM (Male-Female Face)Working Temperature: -40℃ ~ 600℃ (customizable for high-temperature special requirements)ApplicationsWidely applied in petroleum, petrochemical, natural gas, power generation, chemical engineering, water supply and drainage, HVAC and other industries. It is an essential sealing component for pipeline systems, used for sealing pipeline ends, equipment interfaces, and temporary sealing during pipeline maintenance and inspection, and is exported to countries and regions around the world, winning unanimous recognition from global customers.As a professional manufacturer based in Cangzhou Pipeline Equipment Manufacturing Base, Hebei, China, we provide customized services for Blind Flanges according to customer drawings, specifications, materials and standards, and offer one-stop supply and after-sales support to meet the personalized needs of global projects.
Slip On Flange (SO) is a widely used flange type with a sleeve structure, which is sleeved on the pipe and fixed by fillet welding. It has the advantages of simple structure, easy alignment, low cost and convenient installation, and is suitable for medium and low pressure pipeline systems. As a versatile flange type, it is widely used in various industrial and civil pipeline systems, perfectly meeting the needs of international trade and general project applications.Core AdvantagesEasy Installation & Alignment: The sleeve structure allows the flange to be easily sleeved on the pipe, convenient for alignment and welding, improving construction efficiency.Cost-Effective: Simple manufacturing process, lower cost than Weld Neck Flanges, suitable for medium and low pressure scenarios with large demand.Good Sealing Performance: Adopts precision machining of the sealing surface, combined with gaskets, to ensure reliable sealing under medium and low pressure conditions.Wide Compatibility: Suitable for medium and low pressure, normal-temperature and medium-temperature pipeline systems, compatible with various media such as water, gas, oil and general chemicals.Global Standard Compliance: Strictly manufactured in accordance with international and national standards, fully adapting to global market requirements.Key SpecificationsStandards: International Standard (ISO 7005), American Standard (ASME B16.5), German Standard (DIN 2501), European Standard (EN 1092-1), Japanese Standard (JIS B2220), Chinese Standard (GB/T 9116, HG/T 20592, HG/T 20615)Materials: Carbon steel (A105, 20#, Q235B), stainless steel (304, 316L), alloy steel (16Mn, 15CrMo) — customizable according to medium and working conditions.Pressure Ratings: Class 150, 300, 600; PN10, PN16, PN25, PN40Nominal Diameter: DN15 ~ DN2000 (NPS 1/2" ~ 80")Sealing Surface Types: RF (Raised Face), FF (Flat Face), MFM (Male-Female Face)Working Temperature: -40℃ ~ 450℃ (customizable for special requirements)ApplicationsWidely applied in petroleum, petrochemical (low and medium pressure), natural gas (low pressure), water supply and drainage, HVAC, chemical engineering, food and beverage and other industries. It is an ideal flange connection solution for medium and low pressure, normal-temperature and medium-temperature pipeline systems, and is exported to countries and regions around the world, winning wide recognition from global customers.As a professional manufacturer based in Cangzhou Pipeline Equipment Manufacturing Base, Hebei, China, we provide customized services for Slip On Flanges according to customer drawings, specifications, materials and standards, and offer one-stop supply and after-sales support to meet the personalized needs of global projects.
Weld Neck Flange (WN) is a high-pressure flange with a long neck and smooth transition between the flange and the pipe, widely used in high-pressure, high-temperature and high-vibration pipeline systems. It is connected to the pipe by butt welding, which can effectively reduce stress concentration, improve the bearing capacity of the flange, and ensure the tightness and stability of the pipeline connection. As a core flange type in the global industrial field, it perfectly meets the requirements of international trade and high-end project applications.Core AdvantagesExcellent Pressure & Temperature Resistance: The long neck design and butt welding structure make it suitable for high-pressure (up to Class 2500/PN100) and high-temperature working conditions, with strong load-bearing capacity.Low Stress Concentration: The smooth transition between the neck and the pipe avoids local stress accumulation, reducing the risk of leakage and damage in harsh environments.Good Sealing Performance: Adopts precision machining technology, with high flatness of the sealing surface, ensuring reliable sealing even under high pressure and frequent vibration.Wide Compatibility: Suitable for various pipeline media, including corrosive, flammable and explosive fluids, widely used in high-end industrial fields.Global Standard Compliance: Strictly manufactured in accordance with international and national standards, fully adapting to global market requirements.Key SpecificationsStandards: International Standard (ISO 7005), American Standard (ASME B16.5, API 605), German Standard (DIN 2501), European Standard (EN 1092-1), Japanese Standard (JIS B2220), Chinese Standard (GB/T 9115, HG/T 20592, HG/T 20615)Materials: Carbon steel (A105, 20#, Q235B), alloy steel (16Mn, F11, F22, 15CrMo), stainless steel (304, 316L, 321, 2205), special alloys (Monel, Hastelloy, Titanium) — customizable according to medium and working conditions.Pressure Ratings: Class 150, 300, 600, 900, 1500, 2500; PN10, PN16, PN25, PN40, PN63, PN100Nominal Diameter: DN15 ~ DN2000 (NPS 1/2" ~ 80")Sealing Surface Types: RF (Raised Face), RTJ (Ring Type Joint), FF (Flat Face), MFM (Male-Female Face)Working Temperature: -40℃ ~ 600℃ (customizable for high-temperature special requirements)ApplicationsWidely applied in petroleum, petrochemical, natural gas, power generation, nuclear energy, chemical engineering and other high-end industries. It is an ideal flange connection solution for high-pressure, high-temperature, high-vibration and corrosive pipeline systems, and is exported to countries and regions around the world, winning unanimous recognition from global customers.As a professional manufacturer based in Cangzhou Pipeline Equipment Manufacturing Base, Hebei, China, we provide customized services for Weld Neck Flanges according to customer drawings, specifications, materials and standards, and offer one-stop supply and after-sales support to meet the personalized needs of global projects.
Plate Flange (PL) is a common flat-type flange with a simple structure, light weight and low cost, widely used in low-pressure pipeline systems. It is connected to the pipe by welding or bolting, with a flat sealing surface, which is easy to process and install. As a cost-effective flange type, it is widely used in general industrial pipelines and civilian pipeline systems, perfectly meeting the needs of international trade and general project applications.Core AdvantagesSimple Structure & Low Cost: Simple manufacturing process, light weight, low production cost, suitable for large-scale promotion and application in low-pressure scenarios.Easy Installation & Maintenance: Flat sealing surface, easy to align and install, simple maintenance, low later operation cost.Wide Application Range: Suitable for low-pressure, normal-temperature pipeline systems, compatible with various non-corrosive media, and widely used in general industrial and civilian fields.Standardized Production: Strictly in line with global standards, uniform specifications, easy to replace and match with other pipeline components.Customizable: Can be customized according to customer requirements in terms of size, material and sealing surface type.Key SpecificationsStandards: International Standard (ISO 7005), American Standard (ASME B16.5), German Standard (DIN 2501), European Standard (EN 1092-1), Japanese Standard (JIS B2220), Chinese Standard (GB/T 9119, HG/T 20592, HG/T 20615)Materials: Carbon steel (A105, 20#, Q235B), stainless steel (304, 316L), alloy steel (16Mn) — customizable according to medium and working conditions.Pressure Ratings: Class 150, 300; PN10, PN16, PN25Nominal Diameter: DN15 ~ DN2000 (NPS 1/2" ~ 80")Sealing Surface Types: FF (Flat Face), RF (Raised Face)Working Temperature: -20℃ ~ 300℃ (customizable for special requirements)ApplicationsWidely applied in water supply and drainage, HVAC, chemical engineering (low-pressure), food and beverage, pharmaceutical, civil construction and other industries. It is an ideal flange connection solution for low-pressure, normal-temperature and non-corrosive pipeline systems, and is exported to countries and regions around the world, favored by global customers for its cost-effectiveness.As a professional manufacturer based in Cangzhou Pipeline Equipment Manufacturing Base, Hebei, China, we provide customized services for Plate Flanges according to customer drawings, specifications, materials and standards, and offer one-stop supply and after-sales support to meet the personalized needs of global projects.
Orifice Plate (OP) is a key differential pressure flow element widely used in pipeline systems to measure the flow rate of liquid, gas and steam. It is usually installed together with Orifice Flanges (OF) to form a complete flow metering unit.Materials Available materials include carbon steel (A105, 20#, Q235B), alloy steel (16Mn, F11, F22, 15CrMo), stainless steel (304, 316L, 321, 2205) and special alloys (Monel, Hastelloy, titanium), suitable for various medium, temperature and pressure working conditions.
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Main products: WN, SO, PL, BL flanges, elbows, tees, reducers, caps. Materials: carbon steel, stainless steel, alloy steel. Standards: ASME, ANSI, EN, JIS, DIN. Export to global pipeline projects. Contact Us