View Full Version : What's the smallest Halcyon DSMB with an OPV



3141592654
04-07-06, 10:09 AM
All,

I am looking for a small 'H' Closed Circuit dsmb with an Over Pressure Valve.

As I understand it - the 3.3' Closed Circuit model does not have an OPV - and therefore does not vent gas as maximum pressure is reached on the way up to the surface. Consequently it bends like a banana on the surface! Question: Is this not a design flaw?

So - who uses the 3.3 Closed circuit version and how do you get on with it? Any problems on the over inflate?

thanks in advance.

dlegros
04-07-06, 10:18 AM
I have the 3.3' CC and it has an OPV - just fire and forget :)

You want the Closed Alert Marker rather than the "Oral" version, it costs £5 more.

I'll have it with me at Plymouth, you can have a butchers.

Dom

3141592654
04-07-06, 10:22 AM
I have the 3.3' CC and it has an OPV - just fire and forget :)

You want the Closed Alert Marker rather than the "Oral" version, it costs 5 more.

I'll have it with me at Plymouth, you can have a butchers.

Dom

really.. I thought the CC 3.3 didn't have an OPV.. now I am confused!

makes sense really.. Gas goes in - how you gonna get it out..

:D