Japanese Flange Application Standard (JIS)

Japanese Flange Application Standard (JIS)

Nominal diameter: DN10~DN1000mm Pressure level: 8 levels of IOK, 16K, 20K, 30K, 40K, 63K Flange sealing surface: 5 types: smooth surface, large convex surface, small convex surface, concave and convex surface, tongue and groove surface Flange type: flat welding (SO), socket welding (SW), butt welding (WN), threaded connection (TH), loose sleeve and flange cover (BL), etc. Example 1: JIS 21/2 10K f...

German Flange Application Standard (DIN)

German Flange Application Standard (DIN)

Pipe: large outer diameter series pipe flange: European flange Pressure rating: PN 0.1, 0.25, 0.6, 1.0, 1.6, 2.5, 4.0, 6.4, 10.0, 16.0, 25.0, 32.0, 40.0 13 levels Nominal diameter: DN6-4000mm Flange sealing surface: 7 types of flat surface (FF), convex surface (M), concave and convex surface (MF), tongue and groove surface (TG), rubber ring connection surface (RJ), lens surface and diaphragm weldi...

American Flange Application Standard System (ANSI FLANGE)

American Flange Application Standard System (ANSI FLANGE)

The American National Standard ANSI B16.5 “Steel Pipe Flanges and Flange Fittings” is a relatively complete, mature, and internationally popular and universal advanced standard. The pressure piping application standard system composed of this standard and other related ANSI, API, ASTM, and MSS is formed on the basis of a large number of experimental studies and has undergone decades of...

Basic knowledge of flanges

Basic knowledge of flanges

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. Because flanges are used to connect pipes or equipment, th...

What is the difference between ANSI standards and ASME standards flange?

What is the difference between ANSI standards and ASME standards flange?

Both ANSI and ASME are important organizations for the industrial heating industry. The ANSI and ASME terms are most common in metal industries. Each of them plays an integral role in setting the norms and standards that govern the industry. ASME is a standard of the American Society of Mechanical Engineers, one is a national general standard, the ANSI is a mechanical engineering standard;...

What is the difference between ASME B16.47 Series A, Series B flanges?

What is the difference between ASME B16.47 Series A, Series B flanges?

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What is the difference between ANSI B16.5 and ASME B16.5?

What is the difference between ANSI B16.5 and ASME B16.5?

Are ANSI B16.5 and ASME B16.5 the same? Is there a difference? Flange House: The two standards of ANSI B16.5 and ASME B16.5 are the same, but one is the national standard and the other is the Institute of Engineers standard. ANSI is the American National Standard, and ASME is the American Institute of Engineers standard. The national standard adopts the Institute of Engineers standard, so it is th...

Several common forms of flange sealing surface

Several common forms of flange sealing surface

The commonly used sealing surface forms of medium and low pressure flanges are flat, concave-convex surface and tongue and groove surface. 1. Flat flange The sealing surface of this kind of flange is a smooth plane, and sometimes there are two concentric circular grooves (commonly known as water lines) with a triangular interface on the sealing surface. As shown in Figure 3-1(a). Sealing surface ...

Flange type introduction

Flange type introduction

There are many types of flanges, which is a bit confusing. Today we will introduce the types of flanges so that everyone can know more about the types of flanges. Classified by material: 20# A105 Q235A 12CrMoV16MnR 15CrMo 18-8 321304 304L 316 316L etc. According to the sealing surface form: Flat surface (FF), raised surface (RF), convex surface (M), concave surface (F), Concave-convex surface (MF)...

What types of flanges are there?

What types of flanges are there?

How many types of flanges are there? How are they classified? What are the manifestations of flanges? Types of flanges1. According to the classification of national standard flanges: integral flanges, threaded flanges, butt welding flanges, flat welding flanges with necks, socket welding flanges with necks, butt welding ring loose flanges with necks, plate flat flanges Welding flanges, butt-weld...

What is a flange?

What is a flange?

It is mentioned that many friends in Flange may not know very well, and we don’t see too many in our daily lives. I am also very curious about this name. Even I have mistaken this name for what kind of food or delicacy. name. In fact, the name flange is a transliteration of flange. It was first proposed by an Englishman named Elchart in 1809, and also proposed the method of casting flange at the s...

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