Sealed quick connect/disconnect

helium987 · 15th December 2007, 11:41

Hello,

I'm looking for a quick connect/disconnect that both sides would be sealed when disconnected. Some of you have product suggestion ?

I'm planning to fit the male part at the end of a long hose connected on my Kiss BOV and the female part on a short hose on the bail-out 1st stage.
This would let me quickly switch bail-out gaz underwater.

In fact I already ue Hensen coupling LL2 quick connect but they are really big and one is leaking now, so time to replace it...

Thanks,

***diverklondike*** · 15th December 2007, 11:48

swagelok qc-6

diverreb · 15th December 2007, 13:31

Jakub at Golem Gear also carries a set made by M & J

SKU: OMNI_QD-CV-S
Shipping Weight: 0.3000
Price: $89.00

Richie

OceanOpportunity · 15th December 2007, 13:43

I'd suspect you are looking for a 'sealed' fitting to avoid water entry, and forcing water through the hoses once connected and pressurized?

If the hose only feeds your BOV, I wouldnt worry about water entry so much, as it'll be blown through the 2nd stage. If the Q/D line feeds your rig, especially the oxygen side where the water could run through an orifice or solenoid, then I'd be much more careful.

On my BOV I use CEJN 221 male. Offboard whips are CEJN 221 female. I also have CEJN 221 males feeding into my O2 and dil side for offboard gas. Each of these is in-line with a chek-valve, so minimal water can enter when pressurized after being connected underwater.

helium987 · 16th December 2007, 23:02

Quote: (Originally Posted by OceanOpportunity)

I'd suspect you are looking for a 'sealed' fitting to avoid water entry, and forcing water through the hoses once connected and pressurized?

That's what I was trying to avoid...

I'll have a look to these product. Another feature that I will compare is ease of use with big cold water gloves...

Thanks guys for your feedback.

jhaaja · 17th December 2007, 10:23

I have been using QC6 for roughly a year now. They work fine and the size is also good to be used with thick dry gloves (three finger type). It lets in a little water put that has not been a problem.

JH
Finland

lizardland · 17th December 2007, 11:28

I've used both Swagelok and M&J fittings, I like both but prefer the M&J, it's a bit neater though the QC6 assembly can be stripped down easier for cleaning.

OTOH the male end of the Swagelok fitting is quite handy for filling lift bags, you can push down on the fitting to release gas.

Stephane · 17th December 2007, 11:34

Quote:

OTOH the male end of the Swagelok fitting is quite handy for filling lift bags, you can push down on the fitting to release gas.

Yes, but if you look at how it must be assembled, the female part (body) must be located near the gas source.
page 3

jhaaja · 17th December 2007, 11:47

Quote: (Originally Posted by Stephane)

Yes, but if you look at how it must be assembled, the female part (body) must be located near the gas source.
page 3

In practise and with gas it does not seem to play any role. They work both ways.

JH

Stephane · 17th December 2007, 12:16

Maybe it has to do with the amount of water that comes into the connector when you couple it underwater.
The female part may open first so gas will flush most of the liquid then the stem opens. That's just a guess.

15th December 2007, 11:41	#1 (permalink)
helium987 New Member Current Rebreather/s: Classic Kiss Other Rebreather/s: Join Date: Sep 2006 Location: Quebec Canada Posts: 10	Sealed quick connect/disconnect Hello, I'm looking for a quick connect/disconnect that both sides would be sealed when disconnected. Some of you have product suggestion ? I'm planning to fit the male part at the end of a long hose connected on my Kiss BOV and the female part on a short hose on the bail-out 1st stage. This would let me quickly switch bail-out gaz underwater. In fact I already ue Hensen coupling LL2 quick connect but they are really big and one is leaking now, so time to replace it... Thanks, __________________ Dominique Danvoye www.azur.qc.ca
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15th December 2007, 11:48	#2 (permalink)
*diverklondike* Moderator Current Rebreather/s: Inspiration Classic Other CCR Other Rebreather/s: Inspiration Classic Other CCR Join Date: Oct 2005 Location: Delaware, USA Posts: 1,435	Re: Sealed quick connect/disconnect swagelok qc-6
(Online)

15th December 2007, 13:43	#4 (permalink)
OceanOpportunity for a world of water Current Rebreather/s: Other CCR Dolphin Home Build Other Rebreather/s: Not Bought Yet Inspiration Classic Other CCR Dolphin Home Build Join Date: Nov 2006 Location: Providence, RI USA Posts: 465	Re: Sealed quick connect/disconnect I'd suspect you are looking for a 'sealed' fitting to avoid water entry, and forcing water through the hoses once connected and pressurized? If the hose only feeds your BOV, I wouldnt worry about water entry so much, as it'll be blown through the 2nd stage. If the Q/D line feeds your rig, especially the oxygen side where the water could run through an orifice or solenoid, then I'd be much more careful. On my BOV I use CEJN 221 male. Offboard whips are CEJN 221 female. I also have CEJN 221 males feeding into my O2 and dil side for offboard gas. Each of these is in-line with a chek-valve, so minimal water can enter when pressurized after being connected underwater. __________________ Michael Lombardi Oceans of Opportunity www.oceanopportunity.com Gear Reviewer, The Summit Journal exploration & scientific diving resources www.explorationtechnologiesgroup.com
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16th December 2007, 23:02	#5 (permalink)
helium987 New Member Current Rebreather/s: Classic Kiss Other Rebreather/s: Join Date: Sep 2006 Location: Quebec Canada Posts: 10	Re: Sealed quick connect/disconnect Quote: (Originally Posted by OceanOpportunity) I'd suspect you are looking for a 'sealed' fitting to avoid water entry, and forcing water through the hoses once connected and pressurized? That's what I was trying to avoid... I'll have a look to these product. Another feature that I will compare is ease of use with big cold water gloves... Thanks guys for your feedback. __________________ Dominique Danvoye www.azur.qc.ca Last edited by helium987 : 16th December 2007 at 23:07.
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17th December 2007, 10:23	#6 (permalink)
jhaaja Custom Title Allowed! Current Rebreather/s: Inspiration Classic Other Rebreather/s: Join Date: Mar 2005 Location: Finland Posts: 867	Re: Sealed quick connect/disconnect I have been using QC6 for roughly a year now. They work fine and the size is also good to be used with thick dry gloves (three finger type). It lets in a little water put that has not been a problem. JH Finland
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17th December 2007, 11:28	#7 (permalink)
lizardland Yak Current Rebreather/s: Classic Kiss Ray Home Build Other Rebreather/s: Ray Home Build Join Date: Mar 2005 Location: North... Posts: 1,137	Re: Sealed quick connect/disconnect I've used both Swagelok and M&J fittings, I like both but prefer the M&J, it's a bit neater though the QC6 assembly can be stripped down easier for cleaning. OTOH the male end of the Swagelok fitting is quite handy for filling lift bags, you can push down on the fitting to release gas. __________________ Can you imagine drifting along in the sea with your mouth open and a load of f***ing plankton going in? You'd like it, would you? www.westons-cider.co.uk Azerbaijani Association of Technical Divers Publicity Officer and Goat Wrangler
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17th December 2007, 11:34	#8 (permalink)
Stephane Hey! Ho! Let's go! Current Rebreather/s: rEvo Other Rebreather/s: rEvo Join Date: Nov 2005 Location: Nantes - France Posts: 708	Re: Sealed quick connect/disconnect Quote: OTOH the male end of the Swagelok fitting is quite handy for filling lift bags, you can push down on the fitting to release gas. Yes, but if you look at how it must be assembled, the female part (body) must be located near the gas source. page 3 __________________ Stéphane Hammer-rEvo powered!
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17th December 2007, 11:47	#9 (permalink)
jhaaja Custom Title Allowed! Current Rebreather/s: Inspiration Classic Other Rebreather/s: Join Date: Mar 2005 Location: Finland Posts: 867	Re: Sealed quick connect/disconnect Quote: (Originally Posted by Stephane) Yes, but if you look at how it must be assembled, the female part (body) must be located near the gas source. page 3 In practise and with gas it does not seem to play any role. They work both ways. JH
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17th December 2007, 12:16	#10 (permalink)
Stephane Hey! Ho! Let's go! Current Rebreather/s: rEvo Other Rebreather/s: rEvo Join Date: Nov 2005 Location: Nantes - France Posts: 708	Re: Sealed quick connect/disconnect Maybe it has to do with the amount of water that comes into the connector when you couple it underwater. The female part may open first so gas will flush most of the liquid then the stem opens. That's just a guess. __________________ Stéphane Hammer-rEvo powered!
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