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Clippard 4 series needle valves
Well, I'd been planning on building a CO2 manifold (actually, two) for
awhile but hadn't been able to decide on a brand of needle valve. I had
been looking at the valves from Clippard Minimatic for some time, and after
Tom posted about his DIY manifold using the Clippard 4 series valve, I
decided to go for it.
I'm glad I did. The Clippard valves are better than I expected. They
certainly have an unbeatable price ($10.10 US each) in contrast to their
performance. The control action is smooth and fine adjustments are no
problem. I've gotten the bubble rate down to 6 second intervals (10
bubbles/min) without making any real effort. I believe the rate could go a
bit slower, but I haven't tried yet.
For anyone who might be interested, here are the product SKU's of the items
I ordered. The Clippard online catalog is a little convoluted and things
can be difficult to locate if you're not already familiar with their
site. Entering the SKU's into the search box will save a lot of time.
MNV-4K The needle valve. K denotes knob -- you want that.
15006-1-PKG Adaptor. Connects valve to 1/8" NPT female fittings
11753-1-PKG 1/8" hose barb. Comes with Buna N seal(s).
Note that both the adaptor and hose barb come in packs of 10. Both
fittings are yellow brass.
Note also that Clippard doesn't sell direct but only sells indirectly
through their Web site and distributors. The only caveat that I can offer
concerning ordering via the Web is a $10 handling charge tacked on to the
shipping charge. The handling charge isn't so bad if you're ordering in
quantity, but it makes the deal a little less appealing if one only wants a
valve or two. A better option in this case would probably be to contact
Clippard or check their website for the nearest distributor.