Bourdon tube is very small.
Water will block the gap and cause a malfunction.
Similarly, when using other fluids, please
consult with SMC for fluid compatibility information
concerning possible corrosion and response delay, etc.
Caution on handling: When drain or oil,
etc. gets into the gauge,
it may result in a malfunction.
Note 1) When mounting a pressure gauge,
Be sure to read the precautions on page
663 for selection and mounting.
use caution not to tighten excessively.
Excessive tightening will
cause product to be damaged.
Use a pipe tape for sealing.
Recommended tightening torque is
between 3 and 4 N·m for R 1/16
and 7 and 9 N·m for R 1/8.
Note 2) Water cannot be used as an operating
fluid. Because the clearance gap of the air passage of the
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