Festo KS3-1/4-A Pneumatic Quick Coupling Plug

USD 9.95

Durable pneumatic coupling plug with a G1/4 male thread and 4.95mm nominal size. Handles vacuum to 12 bar pressure, delivering robust compressed air routing.

SKU Festo-531666 Category
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Festo KS3-1/4-A Pneumatic Quick Coupling Plug

Model Identifier KS3-1/4-A
Official Part Number 531666
GTIN Standard 4052568047818

Technical Overview

Durable pneumatic coupling plug with a G1/4 male thread and 4.95mm nominal size. Handles vacuum to 12 bar pressure, delivering robust compressed air routing.

Key Features

  • Broad operating pressure range from -0.95 bar to 12 bar, accommodating both vacuum and high-pressure applications.
  • Robust nickel-plated brass housing ensures lasting performance in Class 1 low-corrosion environments.
  • Features a standard G1/4 male threaded connection for simplified, universally compatible integration.
  • Facilitates high standard nominal flow rates of up to 581 l/min for optimized pneumatic system efficiency.
  • RoHS compliant and conforms to VDMA24364-B1/B2-L LABS (PWIS) requirements for sensitive manufacturing setups.

Self-Closing Quick Coupling Mechanism for Seamless Integration

Technical Specification Matrix

ParameterValue
Nominal Size4.95 mm
Operating Pressure-0.95 bar to 12 bar (-0.095 MPa to 1.2 MPa)
Standard Nominal Flow Rate581 l/min
Pneumatic ConnectionMale thread G1/4
Ambient Temperature-10 °C to 60 °C
Nominal Tightening Torque9.5 Nm
Housing MaterialNickel-plated brass
Corrosion Resistance ClassCRC 1 (Low corrosion stress)
Physical Weight (kg)0.02
Dimensions L x W x H (cm)0 x 0 x 0

Industrial Applications

1. Automated End-of-Arm Tooling (EOAT)

Utilized in robotic assembly arms to provide instantaneous connection and disconnection of compressed air to pneumatic grippers.

Problem Solved

Eliminates the need for manual line depressurization during rapid tool changeovers, drastically reducing maintenance downtime.

Quick Coupling Mechanism12 Bar PressureG1/4 Male Thread

2. Industrial Vacuum Lifter Integration

Connects vacuum pumps and suction cups in material handling lines requiring dependable negative pressure holds.

Problem Solved

Prevents air ingress and maintains secure suction by accommodating strict vacuum environments down to -0.95 bar.

-0.95 BarVacuum ApplicationMaterial Handling

3. Packaging Machinery Air Supply

Serves as a robust pneumatic linkage for compressed air cylinders and actuators driving high-cycle folding and sealing mechanisms.

Problem Solved

Resists vibration-induced loosening and prevents thread damage thanks to its high-torque capacity and durable nickel-plated brass construction.

Nickel-Plated Brass9.5 Nm TorquePneumatic Cylinders
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