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Hello. The only valves I used are the CGA850. Am lost in space for the names of other styles and their true 'industry' names. I believe this is called XS ? And the following is the XS mod ? What is the name of the one that the regulator threads-in; no adapter ? Of european use ? Where to...

Greetings. Always remember/identify/used to the size of "O" rings in the tank valves just by looking at them. Now got to play with a valve branded 'Ocean Dynamics' and noticed smaller thinner (yellow) rings. Is there two sizes for CGA850 ? :oops: Removed, compared with my spares, and yes...

Hi. Someone sent me this recent picture; there is some reference on the web. Real ? What lobster species is it ? (Puerto Rican fishermen in Gran Canaria)

Good day. Supposed to be a Dacor, any model / name / year that you may know ? Thanks.

Hi all. Anyone knows the brand, model, whatever information in order to find a picture on the web ? It was a speargun with a 'horse size' veterinarian hypodermic needle tip, and a CO2 cartridge. Inflated the fish on piercing impact and ballooned to surface to be picked up, no fight... No line...

Hello. Regulators have a fixed capability manufacturers have to comply with, or they decide the litres per minute/cubic feet per minute they can supply at 150 psi ? I believe the regulated pressure delivery is standard, right ?🤔

Regards. Pardon for asking the same again; but would like to clarify once for all, as I had no confirmation last time. It is about the oil shown in the level window. Obviously, it is intuitively filled to the 'full' marking line as any other lubricated machine. ----> What oil level shows...

Hello, good day ! You bought a new 80 cuft. aluminium tank in March-2004. You used it a dozen dives that season and got its parking spot in your closet. You had it out-of-the-closet, hydro tested in Oct-2007. It got an approval stamp 10-07 and a decal for good visual. After that, went again...

Hi. Is this just a label, or truly for oxygen use ?

Extracted from a military compressor manual. Number 4 is new for me. If someone can educate me, please do. If deserves to be posted somewhere else, please move.

Hi. Which way it is built; how does the friction is dealt with ? What components are in there that use no lubrication ? Any internal pictures ? I believe Rix and Bauer make oil-less types... a mystery to me how can they work with no lubrication. Light please ? :confused:

Greetings. Once there was a plain utility compressor Husky HL5402 Crossed paths with a and the motor divorced its long time partner And married instead, a Cornelius compressor 130R2103 To become a happy couple :

Hi. When filled to 'Full' line in the sight; what level is supposed to show when compressor is running ? Is there a Cornelius owner in the forum that can assist me with knowledge and experience ? (Image borrowed from the web)

Hi. My 130R2100 compressor is calibrated to turn off at 1600psi. Want to set it for 3000psi To adjust at which pressure the compressor switches off; do I alter the rod supporting the switch height or some piston travel adjustment ? The support rod is at the bottom right end; The piston is at...

Greetings. My couple of aluminium 80's want to be preetier. Now as plain brushed finish, no clearcoat. In doubt if should be a super duper coat against dings, or a simple whatever off-the-shelf that can be scraped-off later with not too much effort. If clear coat only, would need a bath in...

Hi all My daughter will take over my baby compressor, and would like very precise wording in the use instructions. It will be well explained but would like to print a reminder onto the unit. Correct, suggest, edit for foolproof safe operation. Thank you...

Hi all. These filling hoses are for other application, but work at the same high pressure and feature a miniature quick disconnect fitting. Are these quick disconnect fittings really rated for 4000+ psi ? Have never seen them that small at hardware stores... They are the same as the...

Hi. Found this issue on the web. Please delete thread if already somewhere or accept if convenient to post. ----> http://aquaticcommons.org/15283/1/The_Journal_of_Diving_History_63_2010.pdf

Came across this image; could better reside here. This is a bit better, as the image above is mostly useless without knowing the force to be applied to the belt : ----> https://www.bandousa.com/media/uploads/0/1206_Bando-V-Belt-Tension-Gauge-Instructions-2017-10-09.pdf

Good day. Read somewhere 'Mobil 1' fully synthetic oil being used for air breathing compressors. Also, "medicinal mineral oil" , "food grade mineral oil" and the known commercial types Mil 6085, Chemlubes, ... But the Mobil1 ? Comments ?