A diving cylinder or diving gas cylinder is a gas cylinder used to store and transport high pressure gas used in diving operations. This may be breathing...

Scuba diving is a mode of underwater diving whereby divers use breathing equipment that is completely independent of a surface breathing gas supply, and...

inflatable goods Low impact diving – Scuba diving that has minimal environmental effect Scuba skills – The skills required to dive safely using a self-contained...

A diving air compressor is a breathing air compressor that can provide breathing air directly to a surface-supplied diver, or fill diving cylinders with...

Sidemount diving is the practice of diving with two or more cylinders secured at the sides of the body in line with the torso and without cylinders on the...

A diving regulator or underwater diving regulator is a pressure regulator that controls the pressure of breathing gas for underwater diving. The most...

13341, Transportable gas cylinders—Fitting of valves to gas cylinders. The valves on industrial, medical and diving cylinders usually have threads or connection...

was a rebreather and is different from the open-circuit diving regulator and diving cylinder assemblies also commonly referred to as scuba. Open-circuit-demand...

Surface-supplied diving is a mode of underwater diving using equipment supplied with breathing gas through a diver's umbilical from the surface, either...

Gas blending for scuba diving (or gas mixing) is the filling of diving cylinders with non-air breathing gases such as nitrox, trimix and heliox. Use of...

In solo diving, a buddy bottle is a bailout cylinder carried as a substitute for an emergency gas supply from a diving buddy. A bailout cylinder for recreational...

weights to counteract the buoyancy of other diving equipment, such as diving suits and aluminium diving cylinders, and buoyancy of the diver. The scuba diver...

reducing nitrogen narcosis or allowing safer deep diving. The techniques used to fill diving cylinders with gases other than air are called gas blending...

manufacture, capacity and weight are stamped on the cylinder. Most countries require diving cylinders to be checked on a regular basis. This usually consists...

Diving support equipment is the equipment used to facilitate a diving operation. It is either not taken into the water during the dive, such as the gas...

Britain's Cave Diving Group (CDG) which is the oldest remaining diving organization in the world. They made the dive in 1936, using an oxygen cylinder and a respirator...

Diving equipment, or underwater diving equipment, is equipment used by underwater divers to make diving activities possible, easier, safer and/or more...

deep diving, trimix or heliox gases are typically used; these gases contain helium to reduce the amount of narcotic gases in the mixture. Diving with...

Spacecraft with life-support systems Diving chamber – Hyperbaric pressure vessel for human occupation used in diving operations Hyperbaric chamber – Hyperbaric...

Night diving is underwater diving done during the hours of darkness. It frequently refers specifically to recreational diving which takes place in darkness...

Cave-diving is underwater diving in water-filled caves. It may be done as an extreme sport, a way of exploring flooded caves for scientific investigation...

Diving equipment, or underwater diving equipment, is equipment used by underwater divers to make diving activities possible, easier, safer and/or more...

yoke clamp, or a DIN screw fitting to connect it to the valve of the diving cylinder. There are also European standards for scuba regulator connectors for...

underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in other contexts. Underwater diving can be...

Sea, four divers were in a diving chamber system on the rig's deck that was connected by a trunk (a short passage) to a diving bell. The divers were Edwin...

with a dive buddy or from a bailout cylinder for open circuit diving, and by bailout to open circuit for rebreather diving. Most recreational diving officially...

timeline of underwater diving technology is a chronological list of notable events in the history of the development of underwater diving equipment. With the...

confused with industrial gases, where a yellow shoulder means chlorine. Diving cylinder – Container to supply high pressure breathing gas for divers Gas blending –...

Standard diving dress, also known as hard-hat or copper hat equipment, deep sea diving suit or heavy gear, is a type of diving suit that was formerly...

used for accelerated decompression in technical diving, in high pressure cylinders some types of diving rebreather: oxygen rebreathers and fully closed...