Fine copper capillary tubes with protected ends and compact coils on a clean white studio background, branded industrial product illustration.

Capillary Copper Tubes: A Guide to Function, Dimensions and Consistent Performance

A capillary copper tube is easy to describe visually: a small copper tube with a narrow internal passage. Its engineering identity is less obvious. The same-looking tube might be specified as a refrigerant restriction, a fluid passage, or a component in a custom assembly. The application determines which dimensions and tests matter. For refrigeration, the […]

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