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Technical Articles

Engineering articles on industrial valve and expansion joint selection, applications, installation and maintenance.

A strainer is one of the cheapest fittings in a line; the equipment it protects is usually the most expensive.

The most reliable way to isolate a line for maintenance is not closing a valve but physically blanking it. A spectacle flange does...

In a flexible element it is the shape of the convolution, not the material, that absorbs movement. Omega, U and V profiles behave...

Body material follows the fluid; connection type follows the pipework. The two are independent decisions, and galvanic corrosion,...

Choosing a valve on board is two separate decisions: which standard sets its dimensions, and which material it is made from. Neith...

A steam trap is a small fitting, but it directly determines the efficiency of a steam system. A failed trap either leaks live stea...

The same Class number appears in two different ASME flange standards, and where they overlap the dimensions differ. “A Class 150 f...

The international shore connection is not a valve but a compatibility part. Its only job is to guarantee that the fire main can be...

Limit rods are not an accessory to be removed for easier installation; they are the load-carrying part of the joint, taking the pr...

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