page_title: Diving cylinder
section_title: Adaptors
hierarchical_section_title: Diving cylinder / Parts / The cylinder valve / Adaptors
caption_attribution_description: English: DIN insert for diving cylinder valve, The insert is screwed into a DIN valve which has been designed for the option so that a yoke fitting can be attached.
context_page_description: A diving cylinder, scuba tank or diving tank is a gas cylinder used to store and transport the high pressure breathing gas required by a scuba set. It may also be used for surface-supplied diving or as decompression gas or an emergency gas supply for surface supplied diving or scuba. Cylinders provide gas to the diver through the demand valve of a diving regulator or the breathing loop of a diving rebreather.
  Diving cylinders are usually manufactured from aluminium or steel alloys, and are normally fitted with one of two common types of cylinder valve for filling and connection to the regulator. Other accessories such as manifolds, cylinder bands, protective nets and boots and carrying handles may be provided. Various configurations of harness may be used to carry the cylinder or cylinders while diving, depending on the application. Cylinders used for scuba typically have an internal volume of between 3 and 18 litres and a maximum working pressure rating from 184 to 300 bars.
context_section_description: Adaptors are available to allow connection of DIN regulators to yoke cylinder valves (A-clamp or yoke adaptor), and to connect yoke regulators to DIN cylinder valves. There are two categories of adaptors: plug adaptors and block adaptors. Plug adaptors are rated for 232/240 bar, and can only be used with valves which are designed to accept them. These can be recognised by a dimple recess opposite to the outlet opening, used to locate the screw of an A-clamp. Block adaptors are generally rated for 200 bar, and can be used with almost any 200 bar DIN valve.
caption: DIN plug adaptor for compatible cylinder valves
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