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Old 3rd April 2007, 10:19   #1
iratnl
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Question Which are the lightest 2L Cylinders

I'm looking to get a pair of 2L Cylinders for my KISS Sport; primarily for travelling - so I'm looking for the lightest ones; which are lighter, Steel or Alloy. I've heard that the thicker walls of the Ally make them heavier than the steels - but whenever I've held a 2L Luxfer, it sure feels lighter than a 2L faber !
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Old 3rd April 2007, 10:25   #2
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Re: Which are the lightest 2L Cylinders

Quote: (Originally Posted by iratnl) View Original Post
I'm looking to get a pair of 2L Cylinders for my KISS Sport; primarily for travelling - so I'm looking for the lightest ones; which are lighter, Steel or Alloy. I've heard that the thicker walls of the Ally make them heavier than the steels - but whenever I've held a 2L Luxfer, it sure feels lighter than a 2L faber !
The lightest 2L cylinders suitable for O2 are SCI: carbon filament on Ali, 300 bar, O2 rated and given the cost of RBs accessories, are affordable. I have one in my hand. They have an 18mm thread.

Anyone know of any company that makes a 300 bar DIN SCUBA cylinder valve that has an 18mm thread? Getting 25mm valves turned down to 18mm and replated is a pain.

Alex
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Old 3rd April 2007, 10:28   #3
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Re: Which are the lightest 2L Cylinders

Have a look at Tecme's website, Martin has nice used ali/carbon 2l tanks, 2,2kg with the valve. I use them on my rEvo. ;)
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Old 3rd April 2007, 10:33   #4
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Re: Which are the lightest 2L Cylinders

Quote: (Originally Posted by AD_ward9) View Original Post
Anyone know of any company that makes a 300 bar DIN SCUBA cylinder valve that has an 18mm thread? Getting 25mm valves turned down to 18mm and replated is a pain.
Alex
AP Valves do a 232 bar version part no AP93M18
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Old 3rd April 2007, 10:51   #5
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Re: Which are the lightest 2L Cylinders

Quote: (Originally Posted by Stephane) View Original Post
Have a look at Tecme's website, Martin has nice used ali/carbon 2l tanks, 2,2kg with the valve. I use them on my rEvo. ;)
Thanks. I emailed for price and availability for the valves.

Cheers

Alex
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Old 3rd April 2007, 11:38   #6
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Re: Which are the lightest 2L Cylinders

Quote: (Originally Posted by AD_ward9) View Original Post
Thanks. I emailed for price and availability for the valves.

Cheers

Alex
Tank thread is small conical. The valve is O2 German standard but Martin can put standard G5/8 DIN instead.
Have a look:
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Old 3rd April 2007, 11:40   #7
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Re: Which are the lightest 2L Cylinders

SCI are the way to go as they are easily accessible, there are some nicer cylinders out there but military only i'm afraid...
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Old 5th April 2007, 15:53   #8
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Re: Which are the lightest 2L Cylinders

Quote: (Originally Posted by AD_ward9) View Original Post
The lightest 2L cylinders suitable for O2 are SCI: carbon filament on Ali, 300 bar, O2 rated and given the cost of RBs accessories, are affordable. I have one in my hand. They have an 18mm thread.

Anyone know of any company that makes a 300 bar DIN SCUBA cylinder valve that has an 18mm thread? Getting 25mm valves turned down to 18mm and replated is a pain.

Alex
Where can you get these? Available in DOT spec?
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Old 5th April 2007, 20:09   #9
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Re: Which are the lightest 2L Cylinders

2L ally Luxfer stamped up at 3kg .If you want to buy it ? I'm in eastbourne on sunday diving :D
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Old 5th April 2007, 23:46   #10
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Re: Which are the lightest 2L Cylinders

Alex et al,

T.D. Preece in Australia do a large variety of different spec valves for scuba, be it military or regular. They have a number of M18 valves depending on the orientation you want.

http://www.australianvalve.com/

Regards
Brad
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