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Blog & Guides

Comparison guides and application notes for UK building services engineers specifying expansion bellows and plant-room equipment.

Metal vs Stainless Steel vs Rubber Expansion Bellows

UK specifier's guide to picking between rubber, metal and stainless steel bellows by temperature, pressure, movement, vibration and life.

Selection guide covering pressure, temperature, vibration and chemical compatibility for pipework expansion joints.

How EPDM single and twin sphere bellows absorb vibration, noise and movement on UK plant-room circuits.

Hydraulic separation explained — sizing, flow rules and where low loss headers earn their keep.

Plate-and-frame heat exchanger working principles, sizing factors and selection notes.