Stiff purge?

[jakobus]

Or are you just happy to see me?

That said, I was reading some regulator reviews, and some of them had "Stiff purge" listed as a weakness. Does that mean you need more force/air to purge it, or does it have something to do with the button action?

 

[jonnythan]

The button action.. for example, my Apeks TX40 has a large-ish button made of hard plastic with a spring behind it.. that's pretty easy to push.

Some regulators instead have a cover made of kinda squishy plastic which you have to push in.. or have a very stiff spring behind the button. These are more difficult to purge.

 

[MXGratefulDiver]

Or are you just happy to see me?

That said, I was reading some regulator reviews, and some of them had "Stiff purge" listed as a weakness. Does that mean you need more force/air to purge it, or does it have something to do with the button action?

One of my dive buddies has a Cressi octopus that's a stiff purge ... it takes an amazing amount of effort to press the cover hard enough to purge the regulator.

I can see where that would be considered a design "weakness" ...

... Bob (Grateful Diver)

 

[Rick Inman]

My Atomic M1 has an intentional somewhat stiff purge, which is heralded as a benefit when swimming (or facing) into heavy current.

 

[Kriterian]

One of my dive buddies has a Cressi octopus that's a stiff purge ... it takes an amazing amount of effort to press the cover hard enough to purge the regulator.

I can see where that would be considered a design "weakness" ...

... Bob (Grateful Diver)

It seems it would also be considered an advantage, if you're facing a current or surge.

 

[Diver0001]

I can see where that would be considered a design "weakness" ...

... Bob (Grateful Diver)

Maybe but they exist for a reason too. The stiff ones are unlikely to freeflow in current. Somehow the idea makes sense for an octopus.

R..
Edit: Oops, Chris and Rick already made this point. i should have read the rest of the replies first.

 

[String]

Ive seen some with small purge openings that are very hard to depress with the finger of a 5mm gloves hand.

 

[jakobus]

Thanks, everyone.
The one I'm thinking about getting is the Dacor Viper Metal and its companion safe second. I like the sort of smaller shape. I'll have to find a LDS with one I can check out in person (and then find the money for it!).