Industrial Machinery & Equipment - Others

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Lap joint flanges are available in many sizes and classes; they are also suitable for elevated temperatures and pressures. Generally, a lap joint flange can be used for the same applications as a welding neck flange. Lap joint flanges are a type of flange popular in both piping and duct system design. Lap Joint flanges are sometimes referred to by other names, including: Stub end flange Loose flange Backing flange Vanstone and Backing Ring A lap joint flange (LJF) is an assembly of two elements involving a stub end and a lap joint ring flange (also called a ‘lap joint flange’). To be technically correct, the stub end is not part of a lap joint flange. However, a lap joint flange is always used in conjunction with a stub end, so both parts are often collectively referred to as a ‘lap joint flange’. The lap joint flange has no sealing face; only the stub end has the sealing face. Lap joint flanges are available in many sizes and classes; they are also suitable for elevated temperatures and pressures. Generally, a lap joint flange can be used for the same applications as a welding neck flange. The advantages of the lap joint flange design are: Well-suited for corrosive applications. Requires only a single full penetration butt weld. Only the stub end has contact with the process medium It can be easily adjusted to align with the mating flange (the flange can be rotated until the bolt holes align). It is available in almost all pipe diameters. Ideal for systems where frequent disassembly of the flange is required e.g., when cleaning or inspection is required. There are some limitations on the lap joint flange’s usage, mostly due to its bulkier multiple-component design. Lap joint flanges are not suitable for small-sized piping. ASME Standards Dimensions and tolerances for lap joint flange stub ends are outlined in the ASME B16.9 standard. Note, this differs from the usual ASME B16.5 standard because a stub end is classified as a pipe fitting, not a flange.

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Blind Flange A blind flange is a solid steel piece with no bore (interior diameter) and can used for isolating a pipe, valve, or pressure vessel. The ASME B16.5 standard details the dimensions and tolerance requirements for blind flanges. Key features: Ensures a leak-proof, secure seal Compatible with slip-on or weld neck flanges Can be customized with NPT threads or central bore holes Available with raised face (RF), flat face (FF), or ring joint (RTJ) connections. Suitable for high-pressure and temperature applications Common uses: Oil and gas industry: Isolating pipe sections for maintenance or expansion Water treatment plants: Closing inactive lines Chemical and pharmaceutical industries: Providing safe, hygienic seals Pressure testing: Sealing pipes during integrity checks Modular industrial systems: Allowing future pipe modifications Blind flanges are essential for durable, reliable, and flexible sealing in industrial piping system

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Plate flanges have a gasket surface that’s in the same area as the bolting circle face. They are commonly used in applications where the mating flange or flanged fitting is made from a casting. At Rayoung, we offer carbon steel and stainless steel plate flanges in a variety of sizes, thicknesses, and standards, ensuring that we meet your project needs. What Are Plate Flanges? Plate flanges start as flat sheets of steel. They are usually cut from carbon steel or stainless steel plates. After cutting, workers machine them to exact sizes. This includes drilling the bolt holes and the center opening. Unlike forged flanges, these do not undergo high-pressure shaping. They simply begin as a flat piece of metal. Since they aren’t forged, these flanges are cheaper to make. The production process is much simpler. Most people weld them directly onto the pipe. This is why they are often called “welded plate flanges.” These flanges are perfect for low-pressure jobs. You don’t need heavy-duty strength for these systems. They typically handle pressures up to 300 psi. You will commonly see them in water lines, gas pipelines, and general factory setups. Size range: 1/2″-24″, 24″-60″, customized dimension Pressure: America Series: Class 150, Class 300, Class 600, Class 900 , Class 1500, Class 2500. Europe Series: PN6, PN10, PN16, PN25, PN40, PN63, PN100, PN160, PN250, PN320, PN400. Flange Facing Types America Series: Flat face(FF),Raised face(RF),Tongue(T),Groove(G),Female(F),Male(M) , ,Ring type joints face(RJ/RTJ) Europe Series: Type A(Flat Face),Type B(Raised Face),Type C(Tongue),Type D(Groove),Type E(Spigot),Type F(Recess),Type G(O-Ring Spigot),Type H(O-Ring Groove) Material Carbon steel: ASTM A105,ASTM A105N,GB 20,C22.8. Alloy steel: ASTM/ASME A182 F1-F12-F11-F22- F5-F9- F91 Stainless steel: ASTM/ASME A182 F304-304L-304H-304LN-304N ASTM/ASME A182 F316-316L-316H-316LN-316N-316Ti ASTM/ASME A182 F321-321H, F347-347H Low-temperature steel: ASTM/ASME A350 LF2. High performance steel: ASTM/ASME A694 F42 , F52, F56, F60, F65, F70

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Standards: ASME B16.5, ANSI B16.47, EN1092-1, JIS B2220, DIN 2576. Pressure Classes: Class 150, 300, 600, 900, 1500, 2500; PN6 to PN160. Materials: Carbon Steel (A105, A350 LF2), Stainless Steel (F304/304L, F316/316L), Alloy Steel. Quality Guarantee for Large Projects: We understand the requirements of terminal users in the Oil, Gas, and Power industries. Every Slip-On flange undergoes 100% visual and dimensional inspection. Types of Slip-On Flanges and Their Applications SO flanges are available in two main types, each designed to cater to specific requirements and applications within piping systems: Standard Slip-On Flanges: Standard or raised-face SO flanges have a raised face on the sealing surface. They are highly suitable for low-pressure applications where the bolt- tightening force can compress the gasket adequately to prevent leakage. Lap Joint Slip-On Flanges Lap joint SO flanges have a flat face with a separate backing flange. They are commonly used in systems requiring frequent dismantling, thermal expansion, or contraction applications. Cost-Effectiveness: Genera , lly, slip-on flanges are more cost-effective than other types of flanges, such as weld neck flanges, due to their simpler design and installation process. Material: They can be made from various materials, including carbon steel, stainless steel, and other alloys, depending on the application requirements. Limitations: While slip-on flanges are versatile, they may not be suitable for high-pressure applications due to the potential for leakage at the weld joint. Slip On Flange vs Weld Neck Flange The strength for internal pressure of the Slip-On Flange is two-thirds of Weld Neck Flange. Durability life is 1/3 of the WN flange. 2 fillet welds are required for the SO flange, one inside and one outside of the flange. A space shall be reserved between the end of the pipe and the end of the flange during welding work, to avoid damage to the flange face. The slip-on flange has to connect with a pipe first, then connect to a fitting. (Combination of flange+elbow, or flange+tee not available, since the fittings are not in a straight end, it can not slide completely into the flange bore. ) Slip-on flanges are usually cheaper than Weld-Neck flanges (welding neck flange), which is why many customers prefer to choose them. It is one of the commonly used flanges for low-pressure, medium-temperature piping systems. On the other hand, since the flange bore is larger than the pipe diameter, it usually requires more welding work than the other flanges. So the durability is not as long as the welding neck flange; all of these factors should be considered before choosing the right flange.

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Product Description: 100446275 446.275 Contact pin Original Code: 100446275 446.275 Machine Type: AgieCharmilles CUT 20, AgieCharmilles CUT 20 P, AgieCharmilles CUT 30, AgieCharmilles CUT 30 P, AgieCharmilles CUT P 350, AgieCharmilles CUT P 350 Pro, AgieCharmilles CUT P 550, AgieCharmilles CUT P 550 Pro, Charmilles FI 1020, Charmilles FI 1020.1, Charmilles FI 1020SI, Charmilles FI 2020, Charmilles FI 2020.1, Charmilles FI 2020SI, Charmilles FI 2030SI, Charmilles FI 2030SI-TW, Charmilles FI 230 F, Charmilles FI 240, Charmilles FI 240 CC, Charmilles FI 240 CCS, Charmilles FI 240 SL, Charmilles FI 240 SLP, Charmilles FI 290, Charmilles FI 290 P, Charmilles FI 300, Charmilles FI 310, Charmilles FI 330 F, Charmilles FI 390, Charmilles FI 4020, Charmilles FI 4020.1, Charmilles FI 4020SI, Charmilles FI 4030SI, Charmilles FI 4030SI-TW, Charmilles FI 440, Charmilles FI 440 CC, Charmilles FI 440 CCS, Charmilles FI 440 SL, Charmilles FI 440 SLP, Charmilles FI 500, Charmilles FI 510, Charmilles FI 6020, Charmilles FI 6020.1, Charmilles FI 6020SI, Charmilles FI 6030SI, Charmilles FI 6030SI-TW, Charmilles FI 640 CC, Charmilles FI 640 CCS, Charmilles FI 690

There are 45° short radius elbows and 45° long radius elbows. Long radius elbows(LR elbow) provide smaller flow resistance and pressure loss, and are suitable for general piping systems; Short radius elbows (SR elbow) are suitable for limited space or situations that require faster changes in flow direction. Ideal for industries that require robust, leakproof connections, such as oil, gas, and wastewater management. Buttweld is used to connect the ends of pipes and fittings by a butt welding process. Also known as welded pipe fittings. It has ended in beveled or plain, dimensions normally from 3/4” to 24”. Manufactured according to ASME B16.9. In various materials like carbon steel , alloy steel, and stainless steel. The butt weld elbow is designed to change the direction of the fluid in the piping system. It has a long radius (LR) and a short radius (SR) elbow types and has different degrees of coverage to 45 degrees, 90 degrees, and 180 degrees. Buttweld elbow is a steel elbow formed by hot pressing or forging. Its connection form is to weld the elbow and steel pipe directly. Butt-welded elbows are mainly used for elbows with higher pressure and temperature than other connection types (socket welded elbow or threaded pipe elbow).

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Standard: ASME B16.9, ANSI B16.28,GOST 17375, GOST 30253 ,etc Material & Grades： Carbon Steel: ASTM A234, ASME SA234 WPB, WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70. Stainless Steel: ASTM A403 WP316/316L, ASTM A403 SA / A774 WP-S, WP-W, WP-WX 304/304L, ASTM A182 F316L, 304L, DIN 1.4301, DIN1.4306, DIN 1.4401, DIN 1.4404 Standard Specification For Buttweld 45 Deg Pipe Elbow: Dimensions : ASME/ANSI B16.9, ASME B16.28, ANSI B16.28,GOST 17375, GOST 30253 ,etc Size : Seamless Elbow ( 1/2″～24″), ERW / Welded / Fabricated Elbow (1/2″～ 48″) Type: Seamless / ERW / Welded / Fabricated Thickness: Schedule 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS and etc. Form: Elbow, 45 Deg Elbow, Long Radius Elbow, Short Radius Elbow, LR Elbow, SR Elbow. Other Services: Hot Dip Galvanizing, Sand Blasting, Coating – FBE/3LPE/PTFE

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180 Degree Buttweld Elbow, also called buttweld 180-degree Return Bends. Material: ASTM A234, ASME A234 WPB, WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70 Types: 180 Deg Elbow, Long Radius Elbow, Short Radius Elbow, LR Elbow, SR Elbow. Whether for industrial or commercial use, the 180° Elbow offers strong structural integrity and easy installation. Choose a trusted 180° Elbow to ensure safety and performance in demanding applications. There are 180° short radius elbows and 180° long radius elbows. Long radius elbows provide smaller flow resistance and pressure loss, and are suitable for general piping systems. Short radius elbows are suitable for limited space or situations that require faster changes in flow direction. They are commonly used in situations where there is a need for a significant change in direction, causing the fluid to flow in the opposite direction. It is connected to the pipe by welding. It has high strength and sealing performance, and can withstand high pressure and temperature. Made of materials such as stainless steel, duplex steel, or special alloy steel, it has corrosion resistance and can resist corrosion from oxidizing agents, acids, alkalis, salt solutions, and other corrosive media.

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The absence of any weld seams in seamless steel pipe elbows enhances their structural integrity and resistance to leaks, making them ideal for high- pressure and high-temperature applications within the Seamless Steel Drawing Pipes industry. Rayoung is one of the leading manufacturers of buttweld steel Seamless pipe elbows. Standard and customized degrees are acceptable. Since most of the pipe fittings are used for welding, in order to improve the welding quality, the ends are beveled, leaving a certain angle and a certain side. This requirement is also relatively strict, such as how thick the side is, how much the angle is and the deviation. The scope is specified. The surface quality and mechanical properties are basically the same as the pipe. For the convenience of welding, the steel grade of the pipe fittings and the pipes to be connected is the same. Rayound is one of the leading manufacturers of buttweld Seamless steel pipe elbow. Standard and customized degrees are acceptable. 36-years experience in manufacturing and supplying carbon steel seamless and welded pipe fittings and forged flanges. We’re ISO, CE and GOST-R-certified; we’re 100% legit. More than 100 happy customers worldwide. We have made products for companies in Russia, Thailand, UAE, Oman, Nigeria, etc. We’re expanding fast. We currently have 5+ production lines and 100,000 square feet of factory space ready to serve you. Qualified products. Experienced QC team and strict QC process to ensure your export quality. We’re fast and responsive. Connect with us on our site and we’ll get back to you within 2 hours.

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Material: Carbon Steel ASME / ASTM SA / A234 WPB, DIN 1.0405 Dimension: ASME /ANSI B16.9, ANSI B16.28, JIS B2312, JIS B2313 Form: Long radius Bend, Hot bend, With R=3D, 5D, 6D, 8D, 10D & Customized Bend Range: 2″NB TO 18″ NB ANSI B 16.9 IN Types: SEAMLESS / WELDED/ FABRICATED Key Features: Function: Efficiently changes the direction of fluid flow in pipelines. Dominant Use: The most widely used fitting in piping systems. Primary Materials: Manufactured from high-quality carbon steel grades such as ASTM A234 WPB and A106B. Specifications Available Grades: ASTM A234 WPB, WPC; ASTM A106B; ASTM A860 WPHY 42, 46, 52, 60, 65, 70. Size Range: DN20 to DN1200. Common Angles: 45°, 90°, and 180°. Applications: Steam & Thermal Piping Oil Refineries & Gas Plants Boiler & Power Piping Chemical Processing Water Treatment & Fabrication

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ASME/ANSI B16.9 buttweld Elbow Outside Diameter: Seamless Elbow ( 1/2″～24″) , ERW / Welded /Fabricated Elbow (1/2″～48″) Thickness: SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80,SCH120, SCH140, SCH160, XXS Bending Radius: R=1D– 10D, 15D, 20D Angle: 180° Elbows, 90° Elbows,60° elbows and 45° Elbow, Long Radius Elbow, 180°Long Radius Returns, Short Radius Elbow and Returns Materials: Carbon steel, Stainless Steel, Alloy Steel, etc

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What is a Cast Iron/Steel Flange? Casting is one of the oldest metalworking methods. It involves heating the metal until it is molten and then pouring it into a pre-shaped mold. Once cooled, the metal solidifies into the shape of the flange. Key Characteristics of Casting: High Production Efficiency: Casting allows for high-volume production of complex shapes that would be difficult or impossible to forge. Low production cost: Due to lower energy requirements and less labor-intensive processing, cast flanges generally come at a lower price point. Precision and Complexity: Modern casting (such as investment casting) can achieve very accurate dimensions, reducing the need for extensive CNC machining. Inherent Risks: The cooling process in casting can lead to “casting defects” such as porosity (air bubbles), shrinkage cracks, and non-metallic inclusions. These internal flaws are often invisible to the naked eye but can fail under high pressure. What is a Forged Steel Flange? Forging is a mechanical process where the steel is heated to a plastic state and then hammered or pressed into shape using localized compressive forces. This “working” of the metal physically changes its internal structure. industrial forged steel flanges Key Characteristics of Forging: Structural Integrity: Forging refines the grain flow of the steel, aligning it with the shape of the flange. This results in superior mechanical properties, including higher tensile and shear strength. Density: The high pressure of the forging process eliminates internal voids and gas pockets, creating a dense, compact molecular structure. Durability: Forged flanges exhibit better resistance to fatigue and impact, making them the standard for critical infrastructure. Costs are higher than those of cast flanges: The forging process requires massive machinery and multiple heating cycles, which reflects in a higher unit cost compared to casting.

Minimum Order: 100