2021-5-12 · Long Weld Neck Flange has an extended neck that is welded to the flange. The extended neck guides the pipe into the flange and has additional surface for fitting and grip. This type of flanges provide an added reinforcement to the connection. The Stainless Steel Long Weld Neck Flange is made up of 304 and 316 grades of austenitic stainless steels.
get priceWeld Neck Flanges in hard-to-nd metals. Long Weld Neck Flanges have a hub that extends from the Flanges at the surface, which helps in accommodating the pipe more easily. Alloy Steel Long Weld Neck Flange fall under the group of specialty flanges, reinforcement in …
get price2018-3-28 · Long Welding Neck Flanges Catalogue. LONGWELDINGNECKFLANGES FLANGE / 36 CLASS 150 FLANGES CLASS 300 FLANGES Nominal Pipe Size Outside Diam. O.D of Raised Face Hub Diameter of Bevel Diameter of Bore Thickness of Flange Min Length Throuth Hub DRILLING Diameter of Bolt Circle Number of Holes Diameter
get priceThe weld-neck flange is used extensively for pipes everywhere, but when pipes are transporting high-pressure or high-temperature (or highly-fluctuating temperature) fluids, long weld neck flanges are better choices, especially in the oil and gas industry.
get price2020-7-27 · A Long Weld Neck Flange is an integral self-reinforcing Flange connection primarily for ASME Pressure Vessel applications.The Long Weld Neck (LWN) Flange was designed to be used in place of a Weld Neck Flange and piece of pipe for a bolt up connection to the vessel. This design reduced the stress on the neck and transferred it to the base where it connected to the vessel.
get price22 · Long welding neck flange, lwn flanges are similar to a standard Welding Neck flanges, but the …
get price2016-8-5 · But the long weld neck flange, has a straight short pipe as the neck of a long weld neck flange. Uses: LWN flanges are largely used in the petroleum and chemical industries but can also be used in residential and commercial buildings where …
get price2016-3-20 · Long Weld Neck Flanges in Stainless Steel, Duplex Steel, Monel 400, Monel K500, Alloy 20, Alloy Steel and Carbon Steel. ASTM A182 F304, F304L, F316, F316L, F321, F410 etc. Kidney flanges and various flange adapters threaded or with twin ferrule compression tube fitting / adapters / weld fittings / extenders / converters available in Stainless ...
get priceThe Long Weld Neck Flange Manufacturers, Bolilai design and produce one of the best weld neck flanges in the country.Bolilai is known as the best Weld Neck Flanges Manufacturers in China.These special flanges are a one-piece production of metal. …
get priceLong Weld Neck Standard Connection Flanges - Texas Flange. Home. What We Do. Cad / 3D Flange Drawings. Flange Dims / Weights. ANSI B16.5 FORGED FLANGES. ANSI B16.5 ½" – 24" FORGED FLANGE WEIGHT CHART. ANSI B16.47 SERIES A FLANGES. ANSI B16.47 SERIES B FLANGES.
get price2020-4-18 · Long Weld Neck Flanges are a specialty flange which are extensively used in higher temperatures in oil and gas industry. They are also used in petroleum and chemical industries as they can operate under fluctuating temperature ranges. Tesco Steel & Engineering manufacture a wide range of high quality Long Weld Neck Flanges in India.
get priceForged Long Welding Neck Flange UNS S32750 OD 3" Class 300 ASME B16.5 : US $1.00-$100.00 / Piece. Stainless steel grooved and raised face LWN flange : US $1.00-$8.00 / Piece. High Quality D65/80/100 Long Weld Neck Flange : US $0.90-$2.90 / …
get price2021-7-28 · ASME B16.5 long weld neck flange dimensions range from NPS 4 to NPS 24 specifications. The lwn flange standard includes pressure classes, DIN numbers BS numbers and the flange faces. long weld neck flange manufacturers produce flanges in various materials but the carbon steel long weld neck flange is the common product.
get price2016-8-5 · But the long weld neck flange, has a straight short pipe as the neck of a long weld neck flange. Uses: LWN flanges are largely used in the petroleum and chemical …
get priceLong weld neck flanges feature a long tapered hub that goes gradually over to the wall thickness from a pipe. This gives strong reinforcement for high pressure, high temperature and sub-zero applications. The tapered hub is created by a gradual increase in thickness …
get price2021-10-3 · Long Weld Neck Flange. As the name suggests, Longneck flange has a long neck than a regular weld neck flange. Other than the neck, all the dimensions are the …
get price2018-10-13 · Authoritative ANSI B16.5 / ASME B16.47 Long Weld Neck Flange Manufacturers in India. As one of the leaders amongst Manufacturers, Stockist, and Exporters of Raised Face Long Weld Neck Flange, ASME B16.5 / ANSI B16.47 Long …
get priceWelding Neck Flange. A welding neck flange (also called a ''weld neck flange'') is well recognised for its long-tapered hub, which provides mechanical strength (useful to resist ''dishing'' and ''bowing'').Welding neck flanges are high integrity flanges and are available in all sizes, all common face types (flat, raised, RTJ), and all classes.Due to the strength of the hub and the ...
get priceThe Long Weld Neck Flanges are developed using quality material with perfect finish. We hold stocks of a wide range of quality Long Weld Neck Flanges in order to meet all requirements of our customers. We offer Long Weld Neck Flanges at very affordable rates. Details. Sizes : …
get price2016-6-8 · Weld Neck Flanges - ANSI B16.5 Notes - Dimension B corresponds to the pipe inside diameter. Values quoted assume 40S/Standard wall thickness. - Weights are based on manufacturer''s data and are approximate. - Flat face flanges may be provided at full thickness, C, or with raised face removed (the latter is nonstandard).
get price2014-12-5 · FLANGE: LONG WELDING NECK 150 Lbs Nominal Pipe Size mm Outside Diam. Diam. of Bore Thick- ness Min. Length thru Hub Diam. Hub at Level O.D. of Raised Face Number of Holes Diam of Holes Bolt Circle Diam. Approx Weight D J B H A G I K Kg 1/2" mm 89 12,7 14.3 228.6 30.2 35.1 4 15.9 79.4 3/4" mm 99 ...
get price2021-10-14 · Long Weld neck flange dimensions are covered in ASME B16.5 – which covers Pipe Flanges and Flanged Fittings for size NPS ½" to 24" for above NPS 26" to 60" it should be as per ASME B16.47. During dimensional inspection of flange, you should check for. Outer & Inner Diameter of body;
get price2020-1-14 · 8.Manufacturing Process of Long Weld Neck Flange. LANGFANGDINGYANG FLANGE PIPE FITTING CO.,LTD have Skilled staff to maintain the quality of products throughout the manufacturing process from selection of raw material to processing, marking, packaging, storage, and transportation.Our LWN Flanges are inspected before being packed and dispatched & all our …
get priceLong weld neck flanges come in a variety of lengths with the most common being 9 inches, 12 inches, and 16 inches. Lengths are based on the parts needed for each application, so no universal standard length exists for these industrial long neck flanges. Long weld neck flanges have a beveled flange so that it fits with the pipe for added strength.
get price2021-10-30 · Long Welding Neck flange. Long Neck Welding (abbreviated LWN) flanges are similar to a standard Welding Neck flange, but the "Neck" is considerably longer. This type is often used as a nozzle for a barrel or column. In addition, there are the type …
get price2021-10-3 · Long Weld neck flange dimensions are covered in ASME B16.5 – which covers Pipe Flanges and Flanged Fittings for size NPS ½" to 24" for above NPS 26" to 60" it should be as per ASME B16.47.. During the dimensional inspection of a flange, …
get priceLong weld necks are a type of flange that has an extended neck on one side and are commonly used for use in multi-story buildings, refineries, and power generation industries. Long weld necks are most commonly manufactured based on industry specifications established by ANSI B16.5, ASME B16.47, MSS-SP44, API, and AWWA-C207. Call Now 713-688-7721.
get priceLong welding neck flange, lwn flanges are similar to a standard Welding Neck flanges, but the "Neck" is considerably longer than other flanges. LWN flange is often used as a nozzle for a barrel or column. In addition, there are the type LWN Heavy Barrel (HB) and the Equal LWN Barrel (E); they have a different shape and a thicker "Wall".
get price2021-10-26 · Precision Flange & Machine manufactures their Long Weldnecks in accordance with ASME B16.5 Flange Tolerances unless specified otherwise. ASME Section II materials of construction, Fine Grain Practice, Low Temperature materials available. Long Weld Neck and Heavy Barrel dimensions. Square Ends are standard, special end preparations available.
get price