Needle valve

Reflux still design and discussion

Needle valve

Postby Mr C2H6O » Wed Jan 08, 2020 2:52 pm

Hi,
I'm currently building a 3inch boka and just wondering if anyone has experience with Tetrapy Needle valves? for the output tube.
I'm looking at the 1/4 inch?
https://www.tetrapy.com.au/product-category/needle-valves/

Also, not sure which type

Thanks
Mr C2H6O
 
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Re: Needle valve

Postby Andrew » Wed Jan 08, 2020 6:51 pm

Andrew
 
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Re: Needle valve

Postby navarau » Fri Jan 10, 2020 10:21 am

You aren't going to need 1/2" BSP for your application as the takeoff rate is so low. All you need is 1/4" bsp or 1/4" compression fitting valve.

A quick search on ebay and I came up with an Australia seller selling 1/4" bsp stainless steel needle valves for under $15.00

I hope this helps
navarau
 
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Re: Needle valve

Postby Mr C2H6O » Sat Jan 11, 2020 3:28 pm

Not much a fan of the threaded ones.
I think I'll go for 1/4" SS316 Compression Fitting. I can't find any on ebay in Australia. Probably will get one from Tetrapy, gave them a call they have them in Stock in Sydney.

https://www.tetrapy.com.au/product/stainless-steel-needle-valve-compression-fitting/
or this
https://www.tetrapy.com.au/product/stainless-steel-needle-valve-compression-fitting-bonnet/

This looks great
Image
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