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Old 14th July 2009, 15:17   #1
NewRebiKai
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threads on MAV and O2-injection

Hello everybody,

I want to change the fittings on my CK #112 from swagelok to milflex hoses.

Now I have to know which kind of thrreads are in the old style MAV??

Also I don´t know, which thread is in the KISS head for the O2 injection.

Thanks for your response

Kai
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Old 15th July 2009, 13:24   #2
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Re: threads on MAV and O2-injection

Hi.

The treads are 7/16-20 male and female. I have solved the problem by changing to swagelocks push on connections instead.

Here is some pics:





Swagelok push-on 7/16-20 female, 7/16-20 male to 1/8 NPT male.

Part.nr

SS-PB4-TA4
SS-400-NFSET
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Old 15th July 2009, 16:34   #3
Philippe GERIN
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Re: threads on MAV and O2-injection

Kai,
The head port/fitting threading is 1/8"npt. It's the same on the stainless MAV. To change to Miflex hoses, you need to get the new plastic MAV with the scuba fittings.
Best
Philippe
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Old 15th July 2009, 16:59   #4
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Re: threads on MAV and O2-injection

I have the Mk2 flat sided MAV on CK101 and tried to find out if there were any adapters to take UNF hoses but drew a blank.

I think the MAV has 1/16"NPT threads although someone said they were 1/8". I am not even sure if there is enough space between the holes to take UNF hoses. I should check since I now have both.

The Jetsam kit includes a new adapter for the head (I think it's M&J Omniswivel) to take a UNF Scuba hose.
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Old 15th July 2009, 17:11   #5
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Re: threads on MAV and O2-injection

The Head is a 1/8 NPT
The Ports on the MAV are also 1/8 NPT
You can get the 3/8-24 to 1/8-NPT elbow from jetsam and you’ll need two 9/16-18 to 1/8-NPT adapters for your MAV you can find these at golemgear.com
From Jetsam “ELBOW 90 Degree on scr head $50.00 CDN”
The adapters from golemgear are $12.50 USD each
http://golemgear.com/p-455-18-npt-male-to-916-18-male-adapter.aspx
you might want a LP swivel for the reg because the SS hoses use an elbow which will be removed.
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Old 15th July 2009, 19:17   #6
NewRebiKai
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Re: threads on MAV and O2-injection

Thanks, now I can start
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