John Guest Reducing Straight Connector 6mm Pushfit x 4mm Pushfit

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  • Regular price £3.99


John Guest PM200604E – Reducing Straight Connector 6mm x 4mm Push-Fit | Black Acetal Coupler with Nitrile O-Ring

Reliable Push-Fit Reducing Coupler – Instantly Connects 6mm to 4mm Pipework for Air, Gas, Vacuum & Food-Grade Systems

The John Guest PM200604E Reducing Straight Connector provides a seamless and secure way to reduce a 6mm push-fit connection to a 4mm outlet. Designed for quick installation and long-lasting performance, this compact black acetal fitting is perfect for applications where space-saving, leak-free, and hygienic connections are essential.

Constructed from durable acetal copolymer and featuring a food-grade nitrile O-ring, this fitting is suitable for use with potable liquids, inert gases, pneumatic systems, CO₂/N₂ gas dispense lines, and vacuum applications. The push-fit collet design enables tool-free connection and disconnection, making system setup or maintenance faster and more efficient.


Product Highlights:

  • 6mm x 4mm Push-Fit Connection – Ideal for reducing supply line diameter without compromising flow or seal integrity.

  • Instant Installation – Simply push the tubing into the connector for a secure, leak-tight fit—no tools or sealant required.

  • Strong & Hygienic Material – Black acetal copolymer body paired with a nitrile O-ring offers corrosion resistance and food-grade compliance.

  • Fully Demountable Design – Easily disconnect and reconnect pipes to adapt, extend or maintain your system without downtime.

  • Versatile & Reliable – Ideal for air, gas, CO₂, beverage, and vacuum systems operating up to 10 bar (145 psi).


⚙️ Technical Specifications:

  • Fitting Type: Reducing Straight Connector

  • Connection Size: 6mm Push-Fit x 4mm Push-Fit

  • Material: Black Acetal Copolymer

  • Seal: Nitrile (Food Grade)

  • Max Working Pressure: 10 bar

  • Temperature Range: 0°C to +70°C

  • Food Grade: Yes

  • Tool-Free: Yes

  • Demountable: Yes


🔧 Typical Applications:

  • CO₂/N₂ Mixed Gas Dispense Lines

  • Compressed Air Systems

  • Food & Beverage Equipment

  • Vending Machines

  • Pneumatics and Automation Systems

  • Vacuum Applications


Backed by John Guest’s UK manufacturing excellence, the PM200604E Reducing Connector provides a simple and highly effective solution for reducing pipe sizes while maintaining the superior performance and safety expected in professional installations. Perfect for both OEMs and maintenance engineers looking for a compact and hygienic connection.