Pressure relief 3 port valve with locking holes (16 pages)
Summary of Contents for SMC Networks IL200
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No.IL02-OM00011-B PRODUCT NAME LOCK UP VALVE MODEL/ Series IL201・IL211...
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Table of Contents Instructions for your Safety 1~2 1. Summary 2. Specification 3. Operation Principle 3~4 4. Transportation and Storage 5. Mounting and Piping 6. Precautions in Using 7. Maintenance 8. Troubleshooting 9. Spare Parts List 10. Drawing 10~13...
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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.
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Safety Instructions Caution We develop, design, and manufacture our products to be used for automatic control equipment, and provide them for peaceful use in manufacturing industries. Use in non-manufacturing industries is not covered. Products we manufacture and sell cannot be used for the purpose of transactions or certification specified in the Measurement Act.
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1. Summary When accidents of air source and piping in pneumatic process control line cause supplying air failure such as dropping setting pressure, lock-up valve shuts pneumatic circuit between air source and operating part. 2. Specification Signal pressure Max. 1MPa (Note 1) Setting pressure range 0.14~0.7MPa (Note 1) Line pressure...
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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.
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6. Precautions in using Warning Operation (1) Do not operate the lock-up valve out of the specifications, because it causes malfunction. (2) If lock-up valve failure affecting the system is expected, provide a safety circuit for the system to avoid danger. (3) When supplying air pressure fails and it decreases lower than the setting pressure, air source and operating part are shut down, but since the pressure decrease gradually, check line pressure (movement of actuator) constantly.
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7. Maintenance Warning (1) If handled improperly, compressed air can be dangerous. Maintenance and replacement of unit parts should be performed only by trained and experienced personnel for instrumentation equipment as well as following the product specifications. (2) For maintenance, removing lock-up valve or replacing unit parts without dismounting, stop supply pressure and exhaust residual pressure beforehand.
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8. Troubleshooting Warning Stop using the product if failures are not improved. Failures Causes Countermeasures Disassembling cleaning Dust and carbon adhere to (Change diaphragm Ass’y if there seating part of exhaust port of is a flaw on seating part of Excess flow from exhaust diaphragm Ass’y.
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