UA-69298255-1 Blog Little P.Eng. for Engineers Training

September 18, 2017

Most threaded joints in ASME B31.3 piping systems are made with taper threads in accordance with ASME B 1.20.1. Figure 5.1 shows a taper thread. These threaded joints are generally acceptable for Normal Fluid Service and Category D Fluid Service. Paragraph 314.1(a) sta...

September 14, 2017

Flanges are discussed in previous post (ASME B31.3 Limitations on Flanges). Additional requirements for flanged joints are provided in para. 312 of ASME B31.3. These discuss conditions where flanges with different strengths are bolted together. This can involve two fla...

September 12, 2017

Welded joints are covered by para. 311 and are required to follow the ASME B31.3 rules for fabrication and examination. In addition, the following specific rules are also provided.

Weld backing rings are generally permitted to be left in. However, if the resulting crevi...

September 7, 2017

Requirements for bolting are provided in para. 309. Listed bolting is acceptable. The only relevant component standards are ASME Bl.l, Unified Inch Screw Threads (UNand UNR Thread Form). ASME B 18.2.1, Square and Hex Bolts and Screws (inch series), and ASME B 18.2.2, S...

August 23, 2017

Whether you are looking for "ASME B31.3 Course", "ASME Courses" or "ASME Courses Calgary"; Little P.Eng. for Engineers Training is offering the most affordable courses across Calgary, AB. We are fully dedicated to train student engineers,...

August 8, 2017

If a component is not in accordance with a listed standard and/or the design rules provided in para. 304 are not applicable, para. 304.7.2 is applicable. This paragraph requires that some calculations be done in accordance with the design criteria provided by the Code...

August 4, 2017

Closures are covered in para. 304.4.1. Listed components, such as ASME B16.9 pipe caps, can be used for closures. The other two options provided in ASME B31.3 are to design the closure in accordance with ASME BPVC Section VIII, Division 1, or to qualify it as an unlist...

August 3, 2017

Bends were required to have, after bending, a wall thickness at least equal to the minimum required wall thickness for straight pipe in para. 304.2.1. However, this was changed in the 2000 Addendum. The Lorenz equation (ca. 1910) was included; it provides a means of ca...

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