On Mon, 21 Sep 2009 19:07:56 +0100 (BST), "Dave Liquorice"
wrote:

On Mon, 21 Sep 2009 16:50:57 GMT, wrote:

Are there different insides for these valves? I thought torbek was
one standard valve pattern.

Torbeck is a particular maker of equilibrium valves. Other makers
exist and no doubt their diaphrams are different in design to those
used by Torbeck.

Thanks Dave. That seems to mean a new torbeck unit then. Sadly it is
not standard in that either. I will go look for a similar type.

Cheers