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2. Diving air compressor - Wikipedia

   en.wikipedia.org/wiki/Diving_air_compressor

   Filling a cylinder from the panel Low pressure breathing air compressor intended for use with airline diving equipment. High pressure diving compressors are generally three- or four-stage-reciprocating air compressors that are lubricated with a high-grade mineral or synthetic compressor oil free of toxic additives (a few use ceramic-lined cylinders with O-rings, not piston rings, requiring no ...

3. Surface-supplied diving equipment - Wikipedia

   en.wikipedia.org/wiki/Surface-supplied_diving...

   Surface-supplied diving equipment (SSDE) is the equipment required for surface-supplied diving. The essential aspect of surface-supplied diving is that breathing gas is supplied from the surface, either from a specialised diving compressor , high-pressure gas storage cylinders, or both.

4. List of diving equipment manufacturers - Wikipedia

   en.wikipedia.org/wiki/List_of_diving_equipment...

   Advanced Diving Equipment Company – American manufacturer of surface supplied diving helmets – Swindell free-flow open circuit air helmets. [1]Aeris (dive gear) – American brand of scuba equipment Originally a brand of American Underwater Products, founded in 1998, and merged into a sister-brand, Oceanic, in 2014.

5. Diver's pump - Wikipedia

   en.wikipedia.org/wiki/Diver's_pump

   A diver's pump is a manually operated low pressure air compressor used to provide divers in standard diving dress with air while they are underwater. [ 1 ] [ 2 ] Rotary

6. Underwater breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/Underwater_breathing_apparatus

   Underwater breathing apparatus can be classified as open circuit, semi-closed circuit, (including gas extenders) or closed circuit (including reclaim systems), based on whether any of the exhaled gas is recycled, and as self-contained or remotely supplied (usually surface-supplied, but also possibly from a lock-out submersible or an underwater habitat), depending on where the source of the ...

7. Gas blending for scuba diving - Wikipedia

   en.wikipedia.org/wiki/Gas_blending_for_scuba_diving

   Internally, the blending equipment and diving cylinders must be oxygen clean; all fuels and particles which could be sources of ignition must be removed. [6] [7] [8] The materials chosen for use in the valves, joints and compressors must be oxygen compatible: they must not burn or degrade readily in high oxygen environments. [8]