ôNewö butterfly valve designs (ôPiggableö, ôQuadruple Offsetö, etcà) from Germany
ôNewö butterfly valve designs (ôPiggableö, ôQuadruple Offsetö, etcà) from Germany
(OP)
Dear Forum Fellow Members,

[*] := see http://www.co-ax.de/quadax/prinzip.asp?lang=en
[**] := see http://www.armacon-systems.de/index_htm_files/a_va...
Many THANKS in advance and… a HAPPY 2014,
here in old Europe, we Italians - for instance - are usually considered to be more creative and imaginative than Germans, which are regarded as more strict and conservative instead.
Maybe in the case of industrial valves this is not valid anymore
Maybe in the case of industrial valves this is not valid anymore
I say so because, in addition to the “QUADRUPLE OFFSET” mentioned in thread408-355807: Quadruple butterfly valve [*], I also came across “PIGGABLE BUTTERFLY” valves from a German Manufacturer [**].
[*] := see http://www.co-ax.de/quadax/prinzip.asp?lang=en
[**] := see http://www.armacon-systems.de/index_htm_files/a_va...
What do you think about those designs? Would they result actually useful, in Your opinion?
If so, in which applications?
Moreover, is Anybody aware of any other “new”, non-conventional or unusual valve designs that could be discussed along with these ones?
If so, in which applications?
Moreover, is Anybody aware of any other “new”, non-conventional or unusual valve designs that could be discussed along with these ones?
Many THANKS in advance and… a HAPPY 2014,
‘NGL





RE: ôNewö butterfly valve designs (ôPiggableö, ôQuadruple Offsetö, etcà) from Germany
This Armacon design is a close copy of the Orbit Valve concept but is not correct to call it a Butterfly Valve.
prognosis: Lead or Lag
RE: ôNewö butterfly valve designs (ôPiggableö, ôQuadruple Offsetö, etcà) from Germany
David Simpson, PE
MuleShoe Engineering
Law is the common force organized to act as an obstacle of injustice Frédéric Bastiat
RE: ôNewö butterfly valve designs (ôPiggableö, ôQuadruple Offsetö, etcà) from Germany
Thank you for the link to the quadruple/triple ofsset valves. Very illustrative!
On the 'piggable valve' I agree with Zdas04: could be compared to either V- ball (several produsers, including Fisher), double eccentric ball-valve, and eccentric - plug-valve, and could probably compete with theese for clean fluids with reasonable flows where delta p and cavitation gives no or/small problems.
As always:cost/lifetime/dependabillity for all solutions will have to be compared to give an answer.