ASME/ANSI B16.47 flanges

Weld Neck Flanges

our manufacturers ASME B16.47 Weld Neck Flanges are available in various forms and sizes. Series A specifies flange dimensions for general use flanges, covering Class 150, Class 300, Class 400, Class 600, and Class 900. Series B specifies flange dimensions for compact flanges that, in most cases, have smaller bolt circle diameters than Series A flanges. The two series of flanges are, in general, not interchangeable.

Blind Flanges

Blind flange ASME B16.47 series including series A flanges and series B flanges, Browse ASME B16.47 Series A Blind Flanges in the page including Item #, Nominal Pipe Size, Outside Diameter (O), Minimum Thickness.

ASME Standard Flanges

Yanhao develops and manufactures ASME flanges according to different specifications such as ASME B16.5 flanges with a 1/2″- 24″ conditional pass; large diameter flanges (26″- 60″) are manufactured to ASME B16.47 requirements. We offer the ASME standard flanges in various designs and dimensions: slip-on flange, welding neck flange, lap joint flange, blind flange, threaded flange, socket-weld flange as well as atypical shapes depending on the drawing documentation in carbon, alloy, and stainless steels. The extensive range of materials and dimensions guarantees the use of ASME pipe flanges at both high and low temperatures, as well as at high pressures.

What is ASME Flange?

What is ASME? Founded in 1880 as the American Society of Mechanical Engineers, ASME is now a professional organization with 120,000 members in 151 countries, focusing on technology, education, training, and research in the engineering sciences and technological community. ASME sets internationally recognized codes and standards that increase security. ASME (Boiler and Pressure Vessel) Pipe Code regulates the requirements for steam and heating boilers, pipes, pressure vessels, fittings, and nuclear components for the American and Canadian markets. The code ranges from the regulation of manufacturer certification, quality assurance, design, material selection, manufacturing, testing, testing, acceptance to certification. Around 120 countries worldwide have now joined this set of rules. When it comes to selling flange and other pipe products on international markets, companies cannot avoid this set of rules.

What is ASME Flange standard? ASME Flange standard refers to a series of specifications for the production of flange products based on ASME Boiler and Pressure Vessel Code and ASME Pipe Codes, by specifying the flange size, surface conditions of the flange joint faces, sealing surface shape, pressure/temperature relationships, marking and the technical delivery conditions of materials, which ensure the quality and safety of flanges and other pipeline products. ASME standard focuses on flange measurement, working pressure, and tolerance, which means the high performance of global engineering components and is widely recognized by many countries around the world.

ASME standard flanges are referred to as the flanges are governed by ASME standards, which classify the different flanges according to the relationships between obtaining a curve in its material by the effect of exposure to given pressure and temperature. Based on this standard, the ASME flange classes are 75, 150, 300, 600, 900, 1500, 2500. Flanges according to ASME B16.5 or ASME B16.47 standards are normally made from forging with machined faces.

ASME Flanges Standard & Specifications

ASME Standard Flange Nominal Dimensions & Size ASME B16.47 Class 150-600 Series A – 26″to 60″ ASME B16.47 Class 75-900 Series B – 26″to 60″ ASME B16.5 Class 150-2500 – 1/2″to 24″	ASME Flange Materials & Grade Carbon Steel: ASTM A105, ASTM A350 LF1/2, ASTM A181 Alloy Steel: ASTM A182F1 /F2 /F5 /F7 /F9 /F11 /F12 /F22 Stainless Steel: ASTM A182F6 /F304 /F304L /F316 /F316L/ F321/F347/F348
ASME Flange Face Types Flat Face (FF) Raised Face (RF) Ring Joint (RTJ) Tongue and groove (T&G) And Male and Female type	ASME Pipe Flange Types ASME Slip-On Flange ASME Weld Neck Flange ASME Blind Flange ASME Lap Joint Flange ASME Threaded Flange ASME Socket-Weld Flange
ASME Standard Types ASME B16.5 or ASME B16.47

ASME Pipe Flanges Application Industries

ASME standard pipe flanges widely used in many industries for waterworks and municipal pipe systems, heating systems and heat exchangers, plumbing and mechanical systems, fire protection services, and other valves, vessels, and industrial pumps around the world:

Chemical, Oil & Glass assemblies
Petrochemicals
Pulp and paper
Mining industry
Plants and the nuclear power industry
Construction
Water Treatment
Food processing and manufacturing
And other industrial productions

Customized ASME Standard Flange producing including designing, boring, drilling (smooth or with thread), blasting, coating, and marking for all requirements according to customer specifications. Welcome to send your draws, inquiry, and sample to us for an instant quote!

ASME is a standard of the American Society of Mechanical Engineers, one is a national general standard, and the other is a mechanical engineering standard; of course, many standards in the ANSI standard refer to the ASME standard.

Flange is a device that connects pipes or instruments, and plays the role of connection and fixation. Common flanges are made of round steel, and the shapes are divided into flat plates, blind plates, high necks, and flat welds. Production methods are divided into forging and casting. The material is mostly carbon steel or stainless steel.

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