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  1. Drive Gas Options for the Booster Our SCUBA gas boosters are normally driven with the BC inflator hose off the first stage of a diving regulator using a SCUBA tank for the source of a clean and low moisture drive gas. That allows the booster to be highly portable, operating in locations where no electrical outlet is ...
  2. Differences Between DGX and Thermo Brand Valves Thermo™ SCUBA valves are manufactured in Taiwan and are distributed in the US by XS Scuba. The Thermo Pro DIN/K valve has been independently tested as meeting the CGA V9-2009 Compressed Gas Association Standard for Compressed Gas Cylinder Valves. The Thermo valves have a polished heavy chrome ...
  3. Low-Pressure Breathing Gas Fittings on SCUBA Regulators and Hoses For quick reference about the low-pressure breathing gas fittings† seen on modern SCUBA regulators and hoses: First stage bodies have standard low-pressure outlet ports with UNF 3/8"-24 Female threads Some first stage bodies also have one non-standard outlet port with UNF 1/2"-20 ...
  4. Garmin Descent G Series vs Mk Series Differences The G and Mk series are identical when it comes to dive related firmware features as well as most non-dive features. However, the G series does not include a model which supports wireless tank pressure monitoring via their transmitter. The G series also does not include the Wi-Fi ...
  5. Dive Rite XT Regulator Differences Dive Gear Express offers packages of the Dive Rite XT1 balanced diaphragm first stage paired with your choice of either the Dive Rite XT2 or XT4 second stages. The main differences between the two different Dive Rite second stages are size, materials and cold water performance. The XT2 and XT4 ...
  6. Regulators and Required-stop Accelerated Decompression Open-circuit technical divers often switch to breathing pure oxygen or a very rich advanced Nitrox mix such as 50%, to substantially reduce their required-stop times as compared to decompressing using just their bottom mix, called accelerated decompression. The depth where the gas switch ...
  7. Why Choose Apeks? Apeks was founded in 1974 by Ken Ainscough and Eric Partington, the two friends decided to combine their knowledge of diving and precision engineering with the APEKS company name also being a combination of their initials. Acquired by Aqualung in 1997, decades later that spirit of craftsmanship ...
  8. Apeks XTX Series Second Stage Differences Apeks has offered several model second stages in their XTX series regulators: XTX20, XTX40, XTX50, XTX100, and XTX200 versions in Primary (black), Octo (yellow) and Nitrox (green) livery. Since 2013† the current Apeks XTX series second stages are all essentially identical except for ...
  9. Apeks XTX Series First Stage Differences Apeks has offered several different first stage models in their XTX series regulators: DS4, TEK3, DST, FSR and FST with a variety of port configurations. Since 2013† the current Apeks XTX series first stages are very similar except for port configurations and cosmetics. All the XTX first ...
  10. Characteristics of Line on Dive Reels and Finger Spools Traditionally, the line on dive reels is a braided thermoplastic fiber made from polyamide (aka Nylon and PA) or more recently polyester terephthalate (aka Dacron and PET) ; each have their pros and cons. Both are strong, but nylon has significantly more elasticity while polyester has very ...
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