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SMC Networks VR51 Series Operation Manual

Two hand control valve
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DOCUMENT No.VM*-OMJ0002
Revision: A
Issue date: Oct/18/2023
PRODUCT NAME
Two Hand Control Valve VR51
MODEL / Series / Product Number
VR51 Series

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Summary of Contents for SMC Networks VR51 Series

  • Page 1 DOCUMENT No.VM*-OMJ0002 Revision: A Issue date: Oct/18/2023 PRODUCT NAME Two Hand Control Valve VR51 MODEL / Series / Product Number VR51 Series...

  • Page 2: Table Of Contents

    Contents 1. Safety Instructions 2. Application 3. Features 4. Specifications 5. How to Order 6. Basic Circuit Example 7. Construction 8. Piping Port Indication 9. Operation Timing and Output 10. Dimensions 11. Installation of Operation Buttons - 1 -...

  • 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)*1), and other safety regulations.
  • Page 4 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 business. Use in non-manufacturing business is not covered. Products we manufacture and sell cannot be used for the purpose of transactions or certification specified in the Measurement Act.
  • Page 5 Design ！ Warning 1.Actuator drive When an actuator, such as a cylinder, is to be driven using a valve, take appropriate measures to prevent potential danger caused by actuator operation. 2.Maintenance space The installation should allow sufficient space for maintenance activities. 3.Ventilation When a valve is used inside a sealed control panel, etc., provide ventilation to prevent a pressure increase caused by exhausted air inside the control panel or temperature rise caused...
  • Page 6 Mounting ！ Caution 1.Tubing, with the exception of coiled tubing, requires stationary installation. Do not use standard tubing (non-coiled) in applications where tubing is required to travel within a cable carrier. Tubing that travels may sustain abrasion, extention, or severance due to tensile force, or may result in removal of tubing from fitting.
  • Page 7 Handling of One-touch Fittings ！ Caution 1.Tube insertion and removal from One-touch fittings 1) Attaching of tubing a. Cut the tube perpendicularly, being careful not to damage the outside surface. Use SMC tube cutter “TK-1”, “TK-2” or “TK-3”. Do not cut the tube with pliers, nippers, scissors, etc., otherwise, the tube will be deformed and troubles may result.
  • Page 8 Lubrication ！ Caution 1. Lubrication 1) The valve has been lubricated for life at the manufacturer, and does not require any further lubrication. 2) If a lubrication is applied in the system, use turbine oil Class 1 (no additive), ISO VG32. However, once lubrication is applied it must be continued, as loss of the original lubricant may lead to malfunction.
  • Page 9 2.Removal of equipment and supply/exhaust of compressed air When equipment is serviced, first confirm that measures are in place to prevent dropping of work pieces and run-away of equipment, etc. Then cut the supply pressure and power, and exhaust all compressed air from the system using its residual pressure release function.

  • Page 10: Application

    2. Application The VR51 is a valve designed to be operated by both hands simultaneously at the startup of an actuator through button operation to ensure the safety of the worker. As the worker uses both hands in operation of the start button, it is possible to prevent accidents including pinching of hands in a work process.

  • Page 11: Basic Circuit Example

    6. Example of a Basic Circuit Diagram The basic circuit for use of VR51 is shown below. Each value in parentheses indicates a port number of VR51-C07. Supply port P1(11) Operation side Driving side Supply port P2(12) Output port A(2) 7.

  • Page 12: Piping Port Indication

    8. Piping Port Indication Each value in parentheses indicates a port number for VR51-C07 PIL PORT 1：P1(11) EXH. PORT：R(4) PIL PORT 2：P2(12) OUT PORT：A(2) 9. Operation Timing and Output If the delay between the two input air signals is 0.5 seconds or longer, there will be no output. The time delay with which output from VR51 is possible differs depending on the operating pressure.

  • Page 13: Dimensions

    10. Dimensions - 12 -...

  • Page 14: Installation Of Operation Buttons

    11. Installation of Operation Buttons When installing operation buttons, design and arrange buttons in accordance with Section 7 “Prevention of accidental actuation and of defeat” of the international standards [Safety of machinery -- Two-hand control devices -- Principles for design and selection] ( CE/UKCA MARKED EN ISO13851:2019 ).
  • Page 15 Revision history A: Updated standards and formats. Oct/18/2023 4-14-1, Sotokanda, Chiyoda-ku, Tokyo 101-0021 JAPAN Tel: + 81 3 5207 8249 Fax: +81 3 5298 5362 https://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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