SMC Networks VPA31 5 Series Operation Manual

3 port air operated valve

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Doc. no. VP3145-OMH0005-D
PRODUCT NAME
3 Port Air Operated Valve
MODEL/ Series/ Product Number
Series: VPA31∗5

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Summary of Contents for SMC Networks VPA31 5 Series

  • Page 1 Doc. no. VP3145-OMH0005-D PRODUCT NAME 3 Port Air Operated Valve MODEL/ Series/ Product Number Series: VPA31∗5...
  • Page 2: Table Of Contents

    Contents Safety Instructions ---------------------------------------------------------------------------------- 2,3 Design -------------------------------------------------------------------------------------------------- 4 Selection ----------------------------------------------------------------------------------------------- 4 Mounting ----------------------------------------------------------------------------------------------- 4 Piping --------------------------------------------------------------------------------------------------- 5 Lubrication --------------------------------------------------------------------------------------------- 5 Air Supply --------------------------------------------------------------------------------------------- 5 Operating Environment ----------------------------------------------------------------------------- 5 Maintenance ------------------------------------------------------------------------------------------- 5 Specific Product Precautions ---------------------------------------------------------------------- 6,7 Trouble shooting -------------------------------------------------------------------------------------- 8 Remedy ------------------------------------------------------------------------------------------------- 9 - 1 - VP3145−OMH0005−D...
  • Page 3: Safety Instructions

    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.
  • Page 5: Design

    ∗ VPA31 5 Series Precautions for 3 Port Air Operated Valve ① Be sure to read before handling. Design / Selection Selection Warning Caution 1. Confirm the specifications. 1. Use in low temperature environments Products represented in this manual are designed only for use Valve use is possible to temperature to 0 C.
  • Page 6: Piping

    ∗ VPA31 5 Series Precautions for 3 Port Air Operated Valve ② Be sure to read before handling. Piping Connection Female Thread: G Wrench tightening angle Tightening torque Caution Uni thread size after tightened by hand (N·m) (deg) 1. Preparation before piping 30 to 45 3 to 4 Before piping is connected, it should be thoroughly blown out...
  • Page 7: Operating Environment

    ∗ VPA31 5 Series Precautions for 3 Port Air Operated Valve ③ Be sure to read before handling. When the equipment is operated after remounting or Air Supply replacement, first confirm that measures are in place to prevent lurching of actuators, etc. Then, confirm that the Caution equipment is operating normally.
  • Page 8: Specific Product Precautions

    ∗ VPA31 5 Series Specific Product Precautions Be sure to read before handling. Other Precautions Caution 1. Pressure balance among each port This valve is pressure-unbalanced type. Operate it within this pressure range: IN ≧ OUT ≧ EXH. If not operated in the range, the valve will malfunction.
  • Page 9 ∗ VPA31 5 Series Specific Product Precautions ② Be sure to read before handling. Overhaul, Cleaning, Addition of Grease (VPA31∗5V Series: Vacuum Specification) 1) How to overhaul (Remove air supply before starting disassembly.) Remove the four hexagon socket head cap screws○ and take the housing.
  • Page 10: Trouble Shooting

    Trouble shooting According to the failure, check the cause of the failure from which seems to effect the failure more than the other and devise a countermeasure. Remedy Failure Cause (Next page) Valve would not Foreign matter caught in ① Operation failure be switched.
  • Page 11: Remedy

    Remedy Remedy ① Replace the valve. - If the lubrication oil was incorrect, remove the oil by air blow and replace the valve. Lubricate turbine oil class 1 (ISO VG32) surely after replacing the valve. ② - When a large quantity of drain is given and cannot carry out drain omission surely, install either an auto-drain or a dryer.The valve should be replaced.
  • Page 12 Revision history □ R enewal 2018.8 4-14-1, Sotokanda, Chiyoda-ku, Tokyo 101-0021 JAPAN Tel: + 81 3 5207 8249 Fax: +81 3 5298 5362 http://www.smcworld.com Note: Specifications are subject to change without prior notice and any obligation on the part of the manufacturer. ©...

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