Breathing Apparatus Cylinders require a Hydro Test to be carried out every 5 years. The standard practice is to send these onshore for testing while hiring replacements. Sabre Safety now, for the first time, offer this service offshore as part of their Fire Service visits. This brings an end to the costs associated with transport, rental and handling of your cylinders. All cylinders tested in accordance with relevant BS Standards, by IDEST approved engineers.