7 min read
Expansion Joint Selection: First Read the Movement Correctly
An expansion joint absorbs the movement in the line. If the type of movement is read wrongly, even a correctly manufactured produc...
Energy articles
Technical articles on Energy: valve and expansion joint selection, application and installation notes.
Articles
5 min read
Pneumatic or Electric Actuator? Decision Criteria and Torque Margin
The first thing deciding actuator type is whether the plant has compressed air. Then come speed, fail position, environment and co...
6 min read
Static Balancing Valves: Measuring Flow and Locking the Setting
In an unbalanced system the branch near the pump takes too much flow and the far branch too little. A static balancing valve makes...
5 min read
Float or Thermodynamic? Choosing the Steam Trap Type
A float trap discharges continuously and reacts fast to load swings; a thermodynamic trap cycles but is simple and robust. The cho...
6 min read
Bellows Squirm and Externally Pressurised Joints: Reversing the Pressure
A long, slender bellows pushed by internal pressure buckles sideways off its axis. The externally pressurised design removes that...
6 min read
Steam Trap Selection and Common Mistakes
A steam trap is a small fitting, but it directly determines the efficiency of a steam system. A failed trap either leaks live stea...
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