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2. Surface-supplied diving equipment - Wikipedia

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

   Delivery pressure for 12 metres (39 ft) is about 20 to 35 pounds per square inch (1.4 to 2.4 bar) using a hookah regulator. Depths of 40 metres (130 ft) require up to 9 bars (130 psi). The pressure relief valve will blow off excess air delivered at low demand, to protect the system from overpressure loads, while delivering sufficient air for ...

3. 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 ...

4. Clearance Divers Life Support Equipment - Wikipedia

   en.wikipedia.org/wiki/Clearance_Divers_Life...

   The CDLSE (Clearance Divers' Life Support Equipment) is made by Divex in Aberdeen, Scotland. [1] It is an electronic closed circuit rebreather designed to be silent and non- magnetic . It allows diving to 60 metres (200 ft) using air as diluent , or up to 120 metres (390 ft) using heliox and trimix .

5. Diving equipment - Wikipedia

   en.wikipedia.org/wiki/Diving_equipment

   National and international standards have been published for the manufacture and testing of diving equipment. Underwater breathing apparatus. EN 14143-2003 Respiratory equipment - Self-contained re-breathing diving apparatus; BS EN 1802:2002 Transportable gas cylinders. Periodic inspection and testing of seamless aluminium alloy gas cylinders

6. Dräger (company) - Wikipedia

   en.wikipedia.org/wiki/Dräger_(company)

   Dräger is a German company based in Lübeck [2] which makes breathing and protection equipment, gas detection and analysis systems, and noninvasive patient monitoring technologies. [3] Customers include hospitals, fire departments and diving companies.

7. Category:Underwater breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/Category:Underwater...

   Underwater breathing apparatus is equipment or systems which allow the user to breathe underwater. There is a sub-category for components. ... This page was last ...