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Ron
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First Name: Ron
Location: Puget Sound, Washington
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Conshelf SE

Sat Feb 10, 2018 3:44 pm

I've been hunting for an original Conshelf SE for quite a while. The US Navy gave it the highest rating on its deep air flow test (198 feet), and it even beat the Conshelf XIV and 22. Anyway, I finally found one for like 30 bucks. I didn't realize that literally EVERY port on this regulator is 1/2". Like...if you run it as a standard setup with the primary and alternate second stages, plus a low pressure inflator that all of those hoses are 1/2" as well. Apparently, the original SE was the only one like that because I've had an SE2 and SE3 before and the only 1/2" port on those is the one for the primary second stage.

Once I get it up and running, I'll let everyone know how it fares. I plan on doing it with all 1/2" hoses, just like it came. I'm going to run a 26" primary hose, 36" secondary hose, 27" low pressure inflator hose, and an SPG so that I can use it as a backup regulator when I'm teaching. If you guys come across one in your travels, you should give it a shot. It admittedly looks like it fell out of a Miami Vice episode, but it is a pretty interesting reg set and there isn't a whole lot out there like it. Bryan has parts and hoses for it so it is an easy fix as well.
The impossible missions are the only ones which succeed. -JYC

SnarkIII
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First Name: Skip
Location: Lawrence MA

Re: Conshelf SE

Sun Feb 11, 2018 5:54 pm

I have a couple of USD Pro Diver regs with the "flying saucer" first stage. These use 1/2 inch low pressure ports but the HP remains at 7/16. I use adapters for the octopus and BC inflator.

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Ron
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First Name: Ron
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Re: Conshelf SE

Mon Feb 12, 2018 12:54 pm

I should have been more clear on that. All the low pressure ports are 1/2". The HP one is 7/16" on my conshelf SE as well. 1/2" hoses aren't particularly difficult to find, so I figured it would be cool to run the regset as it came.
The impossible missions are the only ones which succeed. -JYC

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Bryan
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Re: Conshelf SE

Mon Feb 12, 2018 9:06 pm

Ron wrote:I should have been more clear on that. All the low pressure ports are 1/2". The HP one is 7/16" on my conshelf SE as well. 1/2" hoses aren't particularly difficult to find, so I figured it would be cool to run the regset as it came.
I have the step down / up adaptors and 1/2" hoses

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Doing it right should include some common sense, not just blindly following specs and instructions. .Gary D, AWAP on SB

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USdiver
Master Diver
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Location: Cincinnati, Ohio

Re: Conshelf SE

Thu May 10, 2018 5:56 pm

Ron,

I have used a Conshelf SE as my primary "go to" regulator since I purchased it new in 1985/86. I friggin' love the damn thing. I recommend that you get a Mares Abyss Miflex hose in 1/2" diameter for the primary second stage, they work great and are relatively inexpensive. I use reduction couplings on the other LPs to use standard hoses for my LP inflator and octo. Enjoy your SE, they really are great regulators.

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George
Too DAAM Many double hoses, It's not a hobby, it's an addiction.

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