12 Installing Rotary Valves
Installing Rotary Valves
Valve plumbing tips
• Use bulkhead fittings with attached tubing for column
connections. Mount the fitting, pointing down, on the left or
right nut plate and secure with a retaining nut. Connect the
free end of the tubing to the valve.
• The best way to cut narrow tubing is with a tubing cutter
designed for this task. If some other cutter is used, check:
• The tubing bore is not restricted at the cut end
• The cut is at right angles to the tubing
• There are no burrs that might interfere with connections.
• Avoid kinks in the tubing.
Carrier
Column
or
2nd Valve
Loop
In
Out
Sample
OFF
(Load)
ON
(Inject)
Gas sampling valve
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