Good " CHEAP " whip !!!

[CuzzA]

Not without a compressor or another tank that has a high enough pressure to transfer gas to the receiving tank.

The transfer whip can be useful to top off pony tanks or equalize two tanks. For example you and your buddy want to do another dive and all you have left is one tank that has 1,000 psi and another is full at 3,000 psi. You can then equalize the tanks so both have 2,000 psi and now you can both squeeze in a short or shallow dive.

 

[JohnN]

I purchased a pair of these. If you're patient you can get them for < $15

New HPA High Pressure Air Scuba Din Fill Station Adapter -300bar/4500psi

and I dive HP120's, so filling a AL19 pony isn't too much of a stretch

 

[CuzzA]

I purchased a pair of these. If you're patient you can get them for < $15

New HPA High Pressure Air Scuba Din Fill Station Adapter -300bar/4500psi

and I dive HP120's, so filling a AL19 pony isn't too much of a stretch

Oh man, I can't do shipping from China anymore. Too many nightmares and return shipping is often more than the cost of whatever you're buying. But I applaud your patience. I can't do it. Lol.

 

[2airishuman]

I built one for $30. There are DIN to 1/4" npt adapters on ebay and Amazon for $10, and then all it takes is a custom hydraulic hose.

Transfill whip / tank equalizer $30

I find it practical enough for the infrequent situations where I need to transfill a cylinder.

 

[CuzzA]

So, the manufacturer/seller responded saying he sent me the wrong hose kit. We shall see... The joys of online shopping.

I'm still curious if loctite is acceptable for this application. Anyone know? Transferring anything under pressure usually produces heat; heat that could release something (fumes maybe from) from the loctite.

 

[2airishuman]

I've used loctite extensively in automotive, hydraulic, and ag applications.

Like epoxy, it is a potential sensitizer in its uncured form and can cause skin and respiratory reactions in people who are prone to allergies, or in daily industrial exposures. And like any thermoset plastic, curing is an ongoing process, the material is never 100% cured. 99.999% yes. So, the theoretical risk is there.

Loss of holding strength occurs at over 212 degrees for most formulations (the high strength ones have to be heated to about 350 to facilitate disassembly) so other than increased outgassing you're not going to see the material breaking down unless it gets waaaay hotter than the air delivery system should ever be.

So, all that said, for myself, I'm not any more worried about the loctite than I am about the composition of the hoses, the lead content of the plating, BPA in the regulator mouthpiece, etc.

 

[CuzzA]

Thanks for the input. Although not a lot of info out there regarding how safe loctite is on scuba equipment I was able to find a few threads from a decade ago that stated it is safe depending on the application. One thread even discussed people using them on dip tubes. I'm not going to be overly concerned with it due to this only being a whip that will likely see limited use.

 

[uncfnp]

Thanks for the input. Although not a lot of info out there regarding how safe loctite is on scuba equipment I was able to find a few threads from a decade ago that stated it is safe depending on the application. One thread even discussed people using them on dip tubes. I'm not going to be overly concerned with it due to this only being a whip that will likely see limited use.

James. I have seen loctite (don't remember if red or blue, I think both) used on first stages and inflators.

Edit: not saying it should be used just that I have seen it done so should be safe enough for your whip