Precautions For Fluid・・・・・・・・・・・・・・・・・・・・・・・・ P7; Fluid Quality・・・・・・・・・・・・・・・・・・・・・・・・・・・ P7,8 - SMC Networks JSX Series Operation Manual

3) Be sure to confirm that the location is not one in which condensation is easily generated.
* If the product is used in an environment with large temperature fluctuations, etc., condensation may
be generated, and water may adhere to the external surface of the product. Be sure to implement
protective measures against condensation, such as ambient temperature control, in such locations
where condensation is easily generated.
4) Take measures to protect the lead wires using conduits, etc.
3. Precautions for Fluid
Warning
1. Fluid selection
1) Compatibility between the components and fluids should be checked in the application before use.
2) Since the compatibility of the fluid used may vary depending on its type, additives, concentration,
temperature, etc., give sufficient consideration when selecting the material.
3) Use a fluid with a kinematic viscosity of 50 mm2/s or less.
2. Do not use the product with the fluids shown below.
1) Fluids that are harmful to humans
2) Combustion-supporting or flammable fluids
3) Corrosive gas
4) Sea water, Saline solution
3. Take measures to prevent static electricity, since some fluids can cause static electricity.
4. Fluid temperature
Operate within the specified operating fluid temperature range.
5. Install a filter (strainer) to ensure clean fluids.
1) The use of a fluid that contains foreign matter can cause problems, such as malfunction and seal
failure by promoting the wear of the valve seat and armature, by sticking to the sliding parts of the
armature, etc. Install a filter (strainer) on the upstream side of the valve to remove foreign matter.
Air: 5 μm or less Water: 100 mesh or more
2) Replace or clean the filter (strainer) when the pressure drop reaches 0.1 MPa to prevent them from
getting clogged
6. Use an oil-free specification when oil particles are not allowed to enter the passage.
4. Fluid Quality
Warning
1. Air
1) Do not use compressed air that contains chemicals, synthetic oils that include organic solvents, salt,
corrosive gases, etc., as it can cause malfunction or damage.
2) Compressed air that contains excessive drainage may cause the malfunction of valves and other
pneumatic equipment. Install an aftercooler or an air dryer on the inlet side of the valve as a
countermeasure against drainage.
3) If excessive carbon powder is generated by the compressor, it may adhere to the inside of the valves
and cause malfunction. Install a mist separator on the inlet side of the valve as a countermeasure to
remove any carbon powder.
4) For compressed air quality, refer to the Web Catalog.
5) When operating fluid air with a dew point of −70°C or lower, the inside of the valve may wear and the
product life will be shortened.
2. Water
1) Be aware that rust stains, chloride separation, etc., from the piping may cause malfunction, leakage,
or, in worse case scenarios, damage due to corrosion. Also, such damage may result in the spraying
of fluids or scattering of parts. Please be sure to have protective measures in place in case such
incidents should occur.
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