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Pipe Fittings General |
Buttweld (BW) Fittings
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Butt Weld Fittings general The ends of all buttweld fittings are bevelled, exceeding wall thickness 4 mm for austenitic stainless steel, or 5 mm for ferritic stainless steel. This bevelled ends are needed to be able to make a "Butt Weld". .. |
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BW - Elbow The function of a elbow is to change direction or flow in a piping system. By default, there are 5 opportunities, the 45°, 90° and 180° elbows .. |
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BW - Tee The primary purpose of a Tee is to make a 90° branch from the main run of pipe. Standard there are 2 possibilities, on behalf of .. |
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BW - Reducer-Cap-Stubend-Swage nipple Reducers change from pipe diameter in one direction, Caps be applied, to shut down the end of a pipe, Stubends always will be used with a Lap Joint flange,Swage nipples used in small diameter pipe systems .. |
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Generic Marking Standards and Requirements The ASME B31.3 Code requires random examination of materials and components to ensure conformance to listed specifications and standards, and also requires these materials to be free from defects. Component standards and specifications have various marking requirements .. |
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Some Materials for BW fittings
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ASTM Grades ASTM standards define the specific manufacturing process of the material and determine the exact chemical composition of pipes, fittings and .. |
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ASTM A234 ASTM A234 covers wrought carbon steel and alloy steel fittings of seamless and welded construction covered by the latest .. |
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ASTM A403 ASTM A403 is a globally recognized standard for austenitic stainless steel pipe fittings, including elbows, tees, reducers .. |
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Production BW Fittings
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Tee.. Extrusion method The hot-extrusion process consists of enclosing a piece of metal, heated to forging temperature, in a chamber called a container having a die at one .. |
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Elbow.. Mandrel method One of the most common manufacturing methods for manufacturing Elbows from pipes. After heating the raw material, it is .. |
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Cap.. Deep Drawing method Deep drawing is the manufacturing process of forming sheet metal stock, called blanks, into geometrical or irregular shapes that are more than .. |
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Induction Bending Induction Bending is a controlled means of bending pipes through the application of local heating using high frequency induced electrical power .. |
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Threaded (THD) Fittings
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Threaded Fittings Threaded joints probably represent the oldest method of joining piping systems. Like Socket Weld fittings, threaded fittings are mainly used for small pipe diameters (Small Bore Piping) .. |
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Socked Weld (SW) Fittings
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Socket Weld Fittings A Socket Weld is a pipe attachment detail in which a pipe is inserted into a recessed area of a valve, fitting or flange .. |
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Swage Nipple
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Swage Nipple Swage nipples, such as buttweld reducers, evenly reduce the diameter of a pipeline and are ideal for applications requiring smooth, continuous flow. .. |
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O'let Branch Connections
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O'let Branch Connection fittings (also known as O'lets) are fittings which provide an outlet from a larger pipe to a smaller one (or one of the same size) .. |
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Weldolet® Weldolets (collective name - O'lets) are typically used in high-pressure and high-temperature applications where a strong and reliable connection is required .. |
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Reinforcement Pad vs Weldolet Both have their pros and cons, and the choice depends on a customer's requirements, but both can form a strong connection .. |
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Welding O-Let Fittings Based on the number of occurrences it is clear that a significant misunderstanding exists on how much welding is required for a complete installation of an integrally reinforced branch outlet fitting (O-Lets) .. |
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