Installation & maintenance articles

Technical articles on Installation & maintenance: valve and expansion joint selection, application and installation notes.

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

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

A spring check valve can be fitted horizontally or vertically; a swing type cannot. The difference lies in whether the closing for...

When the same valve comes in two body forms, it is not a cosmetic choice. The angle pattern removes an elbow and a weld where the...

Even with an identical bellows, the end connection changes installation time, future removability and the number of leak points on...

In an ordinary globe valve, sealing depends on the packing around the stem. The bellows type removes that dependency — but it is n...

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