Safety Instructions These safety instructions are intended to prevent hazardous situations and/or equipment damage. These instructions indicate the level of potential hazard with the labels of “Caution,” “Warning” or “Danger.” They are all important notes for safety and must be followed in addition to International Standards (ISO/IEC) , and other safety regulations.
Page 4
Safety Instructions Caution 1.The product is provided for use in manufacturing industries. The product herein described is basically provided for peaceful use in manufacturing industries. If considering using the product in other industries, consult SMC beforehand and exchange specifications or a contract if necessary. If anything is unclear, contact your nearest sales branch.
VND Series Valves for Fluid Control Precautions 1 Be sure to read this before handling. 4. Air quality Design 1) Use clean air. Warning Do not use compressed air that contains chemicals, synthetic oils including organic solvents, salt or corrosive gases, etc., 1.
VND Series Valves for Fluid Control Precautions 2 Be sure to read this before handling. 4. Do not use in locations where radiated heat will Piping be received from nearby heat sources. Caution 5. Employ suitable protective measures in loca- tions where there is contact with water drop- 1.
VND Series Valves for Fluid Control Specific Product Precautions 1 Be sure to read this before handling. External Pilot Caution Piping of pilot port [12(P1), 10(P2)] P1 and P2 piping should be as follows according to the model. Port VND□0□D VND□02D...
TROUBLESHOOTING Check the possible cause according to the content of failure in order of possibility, and take measures. Content of failure Possible cause Measures Flow does not start. Operation failure Foreign matters between the valve and valve seat. Flow does not stop. Reverses flow direction.