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4. Transportation and Storage 

 
 
 

Warning 

 

(1) Handle the product with care. 

 

(2) Do not expose to rain. 

 

(3) The product is packed in a vinyl bag for shipment to prevent from dust. Avoid taking out of 

the bag just before piping even after unpacking. 

 

(4)  If  the  product  is  kept  unpacking  for  a  certain  period,  select  a  place  where  there  is  no 

moisture nor corrosive gas. 
While  the  product  shipped  has  been  applied  specified  paint  and  surface  treatment,  take 
care that inappropriate storing environment may cause generating rust. 

 

 

 

 

5. Mounting and Piping 

 

 

Warning 

 

Precaution for mounting     

 

(1) Ensure to use a filter for IN line (IN) and signal pressure line (SIG). 

 

(2) Connect the lock-up valve after flushing piping used. 

 

(3) The setting pressure increases when the setting screw is turned clockwise and it decreases 

when the screw is turned counterclockwise. 

 

(4) Fix by the lock nut when the setting pressure is settled. 

 

(5) Connect piping not to leak air from piping joints. 

 
    Precaution for piping     

Thoroughly flush piping to prevent entering foreign matter such as chips, cutting oil and dust before 

connecting piping. 

 

 

 

 

 

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Summary of Contents for IL220 Series

Page 1: ...No IL02 OM00012 B PRODUCT NAME LOCK UP VALVE 3 PORTS MODEL Series IL220...

Page 2: ...afety 1 2 1 Summary 3 2 Specification 3 3 Operation Principle 3 4 4 Transportation and Storage 5 5 Mounting and Piping 5 6 Precautions in Using 6 7 Maintenance 7 8 Example Application 8 9 Troubleshoot...

Page 3: ...guring the equipment 2 Only personnel with appropriate training should operate machinery and equipment The product specified here may become unsafe if handled incorrectly The assembly operation and ma...

Page 4: ...cessary parts will be provided This limited warranty applies only to our product independently and not to any other damage incurred due to the failure of the product 3 Prior to using SMC products plea...

Page 5: ...d amount from the bleed hole because of the wearing of internal part This may effect on the performance 3 Operating principles When signal pressure entering the upper diaphragm chamber is larger than...

Page 6: ...4...

Page 7: ...are that inappropriate storing environment may cause generating rust 5 Mounting and Piping Warning Precaution for mounting 1 Ensure to use a filter for IN line IN and signal pressure line SIG 2 Connec...

Page 8: ...closing a cover and plugging piping ports to avoid direct instruction of rain If the case of high temperature and high humidity atmosphere take measures not to form dews in the internal machines Espe...

Page 9: ...n the specification Small amount of air leaks from diaphragm cloth between rubber sheets of diaphragm and its seating part but it is within the tolerance 2 Check if supply air is clean or not If dust...

Page 10: ...8 Example Application A filter is used to remove dust in air Note Above diaphragm shows the situation when the supply pressure is higher than the setting pressure 8...

Page 11: ...signal pressure doesn t switch the air circuit Exhaust port of diaphragm Ass y is closed Disassembling cleaning Change diaphragm Ass y if there is a flaw Raising the set pressure higher than the signa...

Page 12: ...9 10 1 10...

Page 13: ...4 1 Sotokanda Chiyoda ku Tokyo 101 0021 JAPAN Tel 81 3 5207 8249 Fax 81 3 5298 5362 URL http www smcworld com Note Specifications are subject to change without prior notice and any obligation on the p...

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