Is there a >3,000 psi compressed air piping system?

[Father]

Something like this but capable of running the pressure needed to fill scuba tanks?

My club has a tank house with ~400 tanks. A system where the tanks could be filled on the storage racks would be ideal.

I know one option would be just having a long hose, maybe on a retractable reel, with a manifold attached to run 4 fill whips is one option.

Just wondering if something has ever been done where a room is piped/plumbed with QD outlets where a whip manifold could be hooked up to different areas rather than dragging a longer hose around.

I assume it could be done using something like these since they're rated to 3,000 psi? It looks like they're made for metal lines though. Or maybe something like this?

I assume the plumbing would have to be heavy duty hose which could get expensive unless metal plumbing could be used? If so what kind would be used?

 

[runsongas]

plumbing a few hookups around the room and then a moveable cart with a manifold and fill whips is probably the easiest option.

 

[Wookie]

Something like this but capable of running the pressure needed to fill scuba tanks?

My club has a tank house with ~400 tanks. A system where the tanks could be filled on the storage racks would be ideal.

I know one option would be just having a long hose, maybe on a retractable reel, with a manifold attached to run 4 fill whips is one option.

Just wondering if something has ever been done where a room is piped/plumbed with QD outlets where a whip manifold could be hooked up to different areas rather than dragging a longer hose around.

I assume it could be done using something like these since they're rated to 3,000 psi? It looks like they're made for metal lines though. Or maybe something like this?

View attachment 648203

View attachment 648204

I assume the plumbing would have to be heavy duty hose which could get expensive unless metal plumbing could be used? If so what kind would be used?

1/4” stainless tube is the industry standard. Make sure the wall is at least .035 for safety. Buy lots of swagelok fittings unless you have a flaring machine available to you.

 

[Father]

Any suggestions for sourcing the hardware for something like this?

 

[Tracy]

Mcmaster car sells the jic fitting, jic nuts and sleeves. They also sell the parker ST quick connects. You can get the flaring tool from Ridgid, you need a 37degree JIC flaring tool.
The 1/4 stainless tubing will need sourced wherever you are. You can get the shut off valves from any scuba supplier or from swagelok.

 

[Father]

Mcmaster car sells the jic fitting, jic nuts and sleeves. They also sell the parker ST quick connects. You can get the flaring tool from Ridgid, you need a 37degree JIC flaring tool.
The 1/4 stainless tubing will need sourced wherever you are. You can get the shut off valves from any scuba supplier or from swagelok.

Are there any safety concerns with using quick disconnects with that much pressure?
I know popping a QD attachment on my pancake compressor is one thing... but that's at 110 psi. Would 30x that pressure be dangerous or do you just need to shut off the line and bleed/purge it first?

 

[tbone1004]

Are there any safety concerns with using quick disconnects with that much pressure?
I know popping a QD attachment on my pancake compressor is one thing... but that's at 110 psi. Would 30x that pressure be dangerous or do you just need to shut off the line and bleed/purge it first?

use the ones rated for pressure washers or the actual high pressure gas ones from Parker or Swagelok. Do NOT use standard air compressor QD's. Swagelok QF4's are the more common ones from companies like Bauer, Parkers tend to be cheaper and just as effective.

 

[Wookie]

Are there any safety concerns with using quick disconnects with that much pressure?
I know popping a QD attachment on my pancake compressor is one thing... but that's at 110 psi. Would 30x that pressure be dangerous or do you just need to shut off the line and bleed/purge it first?

You don’t connect or disconnect under pressure.

 

[Wookie]

Mcmaster car sells the jic fitting, jic nuts and sleeves. They also sell the parker ST quick connects. You can get the flaring tool from Ridgid, you need a 37degree JIC flaring tool.
The 1/4 stainless tubing will need sourced wherever you are. You can get the shut off valves from any scuba supplier or from swagelok.

I have never been successful flaring .035 wall with a hand flaring tool. I use a $6500 machine that flares #4 to #32 .035 wall. Does someone make a hand flares that will do that?

 

[Wookie]

Mcmaster car sells the jic fitting, jic nuts and sleeves. They also sell the parker ST quick connects. You can get the flaring tool from Ridgid, you need a 37degree JIC flaring tool.
The 1/4 stainless tubing will need sourced wherever you are. You can get the shut off valves from any scuba supplier or from swagelok.

He is on Kwajalein. Nothing but great diving is sourced there.