VT307K-5G1-01 Solenoid Valve: Direct Acting 3-Port Solenoid Valve, A Compact High-Flow Control Expert for Vacuum Applications

Product Positioning
The VT307K-5G1-01 is a direct-acting 3-port solenoid valve from SMC’s VT307 series, featuring elastic (rubber) sealing and a direct piping type. This series is renowned for its compact size, high flow capacity, and low power consumption. It is particularly suitable for controlling single-acting cylinders, switching vacuum adsorption, and fluid on/off control in automation equipment, finding wide application in semiconductor manufacturing, packaging machinery, electronics assembly, and medical devices.

Core Highlights: Direct Acting Design, Vacuum Compatible, Compact with High Flow

• Direct Acting Structure, Zero Pressure Start
  • Utilizes a direct-acting poppet valve structure where the solenoid directly drives the valve spool open and closed, requiring no minimum pilot pressure.
  • Can operate reliably under 0 MPa conditions, suitable for low pressure, vacuum起始, or unstable air source pressure, ensuring reliable system action from initial state.
• High Pressure Specification, Reliable Pressure Resistance
  • The “K” in the model denotes High-Pressure Type, with a maximum operating pressure of 1.0 MPa.
  • Proof pressure is 1.5 MPa, providing ample overload safety margin, suitable for medium to high pressure pneumatic systems.
• Vacuum Compatible, Strong Expandability
  • Supports use in vacuum environments, applicable for vacuum adsorption, release, and vacuum circuit switching, broadening application boundaries.
• Low Power Consumption Design, Energy Saving
  • Low power consumption type, consuming only 1.8W, resulting in low heat generation and energy saving. Suitable for high-density mounting or temperature-sensitive applications.
• Compact Size with High Flow, Excellent Performance
  • Provides a flow capacity of Cv 0.18 within a compact valve body, effective orifice 0.71 dm³/(s·bar).
  • Response time of only 20 ms (at 0.5MPa), maximum operating frequency 10 Hz, meeting medium-to-high speed automation cycle requirements.
• Multiple Functions Integrated, One Valve for Multiple Uses
  • A single valve body can correspond to 6 different functions (e.g., N.C., N.O., distributor valve, selector valve) by changing the piping method, reducing spare parts inventory.
• Direct Lead Type Electrical Connection, Easy Installation
  • “G” in the model represents Grommet (direct lead type) with 300mm lead wire length, simple and reliable electrical connection.
• Manual Operation for Easy Commissioning
  • Manual operation is a non-locking push type, facilitating on-site commissioning,故障诊断, and emergency manual control during power outages.
• Ozone Resistant Design, Strong Environmental Adaptability
  • The main valve part uses HNBR (Hydrogenated Nitrile Butadiene Rubber) material, providing low-concentration ozone resistance, enhancing product durability and adaptability.

Model Code Breakdown

Specification Overview

Structure and Features
According to SMC technical data, key features of the VT307 series include:

• Direct Acting Poppet Structure: Simple structure, reliable response,不受流向限制, allows bidirectional flow.
• Compact Design: Small valve body saves installation space, suitable for high-density integration.
• Elastic Seal: Rubber seat and metal spool form a soft seal ensuring complete shut-off even at low differential pressure.
• 6 Functions Common: By changing piping, can achieve N.C., N.O., distributor, selector, etc., reducing parts variety.
• Manifold Mountable: Can be integrated onto VV307 manifolds to form high-density valve banks, further saving space.
• Mounting Dimension Interchangeability: Mounting dimensions are interchangeable with previous products,方便用户升级和替换.

Applicable Scenarios

• Single Acting Cylinder Control: For controlling the direction of spring return cylinders.
• Vacuum Adsorption Systems: Controlling air supply to vacuum generators, vacuum release, and vacuum circuit switching.
• Blowing and Cleaning: On/off control of air flow for workpiece blowing, cleaning nozzles.
• General Automation Equipment: Air circuit on/off control in packaging machines, assembly lines, electronics processing.
• Multi-Valve Integration: Forming high-density valve banks via VV307 manifolds for complex pneumatic systems.

Summary: The Compact High-Flow Pneumatic Control Core for Vacuum Applications
The VT307K-5G1-01 solenoid valve achieves an卓越 performance balance within a compact valve body, leveraging three core technological advantages: direct-acting design enabling zero-pressure start and vacuum compatibility, 1.8W low power consumption for energy saving, and high flow performance with Cv 0.18. Its high-pressure specification (1.0MPa) adapts to a wide range of conditions from vacuum to medium-high pressure. The 6-function通用性 reduces spare parts inventory, and the 20ms fast response meets高速 automation requirements. Choosing the VT307K-5G1-01 means equipping your automation equipment with a compact, efficient, energy-saving, reliable, and functionally flexible intelligent pneumatic node—an ideal choice for precise air circuit control in semiconductors, packaging, and electronics assembly.