Granted, that’s not the only reason [Izzy Swan] gives for his DIY single-acting cylinder. For him it’s more about having the flexibility to make exactly what he needs in terms of size and shape.

Rod-style cylinders function in two ways: double-acting and single-acting. Both of these come in a variety of types, including repairable, disposable, compact, guided or bellows cylinders.

Save guides, add subjects and pick up where you left off with your BBC account. A single acting cylinder (SAC) is a type of pneumatic actuator that produces force and movement in one direction only.

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The cylinders can be single acting with springextendedrod, double acting, or double acting with a built-in fail-safe extended rod.