The Planted Tank Forum - View Single Post - Metering(needle) valves selection for our CO2 pressurized system
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post #200 of (permalink) Old 11-10-2012, 12:03 AM
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Join Date: Nov 2008
Location: Anderson, CA
Posts: 6,310
I'm 99% sure Swagelok uses WIKA gauges from Germany. I also think these regs are very closely related to the Matheson 3200 series.
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