Re: [neonixie-l] Flange parts...

2012-05-24 Thread Dalibor Farný
Hi Jens,

I actually mean system with metal to metal seals, sorry ;-) But even these
parts with KF/NW flanges are expensive..

I am going to build one from glass, all parts are easy to collect and I
will learn just glassblowing, what will be useful for nixies too..

Dalibor

2012/5/23 jb-electronics webmas...@jb-electronics.de

  Hi,

 John's manifold is amazing, there is so much thought in every single
 detail. Still speechless.


 if You want to build a metal manifold based on the KF/NW flanges, it would
 be very expensive, these components are used in 10^-9 torr system..


 That sounds a little too much; DN16 systems use rubber o-rings:

 http://upload.wikimedia.org/wikipedia/commons/thumb/9/97/KF_25_Tee.jpg/800px-KF_25_Tee.jpg
 I do not think you will achieve 10^-9 Torr with these.

 Do you perhaps mean the CF system where you have metal-to-metal seals?

 Anyway, I am not craftsman enough to build myself a fancy manifold like
 John, so that is why I asked for possible sources of a needle valve of the
 like I posted.

 Jens




 Dalibor

 2012/5/23 jb-electronics webmas...@jb-electronics.de

 Hi folks,

 I am currently working on my manifold (actually, at the moment it is
 less than a monofold), and I use the DN16 flange system. The best vacuum
 that I can achieve is 10^-2 mbar at the moment.

 Currently I am trying to find a nice needle valve for that system, just
 like this one here:

 http://www.ld-didactic.de/index.php?id=ld-artikela=378776L=2

 But this is very costy at 200EUR plus 20% tax. Do you guys have any idea
 where to get vacuum party at more reasonable prices?

 Jens

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Re: [neonixie-l] Flange parts...

2012-05-23 Thread Dalibor Farný
Hi Jens,

look at John's manifold, just for inspiration, if You want to build a metal
one.. cheap components..

http://www.neon-john.net/Neon/Shop_equip/Metal_Manifold/Metal_Index.htm

if You want to build a metal manifold based on the KF/NW flanges, it would
be very expensive, these components are used in 10^-9 torr system..

Dalibor

2012/5/23 jb-electronics webmas...@jb-electronics.de

 Hi folks,

 I am currently working on my manifold (actually, at the moment it is
 less than a monofold), and I use the DN16 flange system. The best vacuum
 that I can achieve is 10^-2 mbar at the moment.

 Currently I am trying to find a nice needle valve for that system, just
 like this one here:

 http://www.ld-didactic.de/**index.php?id=ld-artikela=**378776L=2http://www.ld-didactic.de/index.php?id=ld-artikela=378776L=2

 But this is very costy at 200EUR plus 20% tax. Do you guys have any idea
 where to get vacuum party at more reasonable prices?

 Jens

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 .



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Re: [neonixie-l] Flange parts...

2012-05-23 Thread jb-electronics

Hi,

John's manifold is amazing, there is so much thought in every single 
detail. Still speechless.


if You want to build a metal manifold based on the KF/NW flanges, it 
would be very expensive, these components are used in 10^-9 torr system..


That sounds a little too much; DN16 systems use rubber o-rings:
http://upload.wikimedia.org/wikipedia/commons/thumb/9/97/KF_25_Tee.jpg/800px-KF_25_Tee.jpg
I do not think you will achieve 10^-9 Torr with these.

Do you perhaps mean the CF system where you have metal-to-metal seals?

Anyway, I am not craftsman enough to build myself a fancy manifold like 
John, so that is why I asked for possible sources of a needle valve of 
the like I posted.


Jens




Dalibor

2012/5/23 jb-electronics webmas...@jb-electronics.de 
mailto:webmas...@jb-electronics.de


Hi folks,

I am currently working on my manifold (actually, at the moment
it is less than a monofold), and I use the DN16 flange system. The
best vacuum that I can achieve is 10^-2 mbar at the moment.

Currently I am trying to find a nice needle valve for that system,
just like this one here:

http://www.ld-didactic.de/index.php?id=ld-artikela=378776L=2
http://www.ld-didactic.de/index.php?id=ld-artikela=378776L=2

But this is very costy at 200EUR plus 20% tax. Do you guys have
any idea where to get vacuum party at more reasonable prices?

Jens

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