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**DeepBlueInnovation** · 15th May 2008, 01:09

Quote: (Originally Posted by ScubaDadMiami)

It seems that I just can't clean them out once the fine particulate has worked its way into the valve far enough.

I would be interested to hear if other people have experienced the same problem with OPVs. Is this issue native to Optima valves or have other cave divers experienced this with other brands of OPV? Another forum member commented recently that he found disliked the placement of the OPV on his unit (my apologies as I can't remember who or which thread) as when he worked through restrictions he found it was becoming blocked/damaged with debris from the floor.

I don't wish to ignore the other issues raised in this thread, but perhaps some discussion as to OPV placement and operation could be useful. Should standard procedure be to vent gas around the mouth piece in silty environments to prevent the OPV mechanism becoming clogged up?

15th May 2008, 01:09	#22 (permalink)
DeepBlueInnovation Learning to Kiss Current Rebreather/s: Not Bought Yet Other Rebreather/s: Prism Topaz Not Bought Yet Join Date: Sep 2005 Location: Perth, Western Australia Posts: 362	Re: Report from Fatality at Devil’s Ear Quote: (Originally Posted by ScubaDadMiami) It seems that I just can't clean them out once the fine particulate has worked its way into the valve far enough. I would be interested to hear if other people have experienced the same problem with OPVs. Is this issue native to Optima valves or have other cave divers experienced this with other brands of OPV? Another forum member commented recently that he found disliked the placement of the OPV on his unit (my apologies as I can't remember who or which thread) as when he worked through restrictions he found it was becoming blocked/damaged with debris from the floor. I don't wish to ignore the other issues raised in this thread, but perhaps some discussion as to OPV placement and operation could be useful. Should standard procedure be to vent gas around the mouth piece in silty environments to prevent the OPV mechanism becoming clogged up?
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