Push-in T-connector – QST-4
Compact T-shaped push-in connector designed for 4 mm tubing. Ideal for air and water applications, ensuring fast and secure connections with reliable sealing.
Original price was: $2.89.$2.79Current price is: $2.79.
(Save $0.10)Description
The QST-4 Push-in T-Connector is a compact and efficient solution for branching pneumatic or fluid lines with 4 mm outer diameter tubing. With its T-shape design and push-pull connection principle, installation is effortless—just push the tube in, and it locks securely.
Engineered to perform under a wide range of operating pressures and temperatures, it’s suitable for both compressed air and ice-free water systems. The QST-4 is built from RoHS-compliant, corrosion-resistant materials, and is tested for use in cleanroom Class 4 environments. Ideal for use in automation, lab equipment, and compact pneumatic systems where precision and reliability matter.
Specifications
| Attribute | Details |
|---|---|
| Product Type | Push-in T-Connector |
| Model | QST-4 |
| Design | T-shape |
| Nominal Size | 2.8 mm |
| Tubing Compatibility | 4 mm outer diameter |
| Connection Type | Push-in (Push-pull principle) |
| Number of Outputs | 2 |
| Number of Supply Lines | 1 |
| Mounting Position | Optional |
| Operating Pressure Range | -0.095 to 0.6 MPa (up to 6 bar / 87 psi) |
| Max Temp-Dependent Pressure | Up to 1.4 MPa (14 bar / 203 psi) |
| Operating Medium | Compressed air, water (ice-free) |
| Lubrication | Possible (required once initiated) |
| Corrosion Resistance Class | CRC 1 – Low corrosion stress |
| Cleanroom Suitability | Class 4 (ISO 14644-1) |
| Ambient Temperature | -10 °C to 80 °C |
| Release Ring Color | Blue |
| Product Weight | 7.5 g |
| Housing Material | PBT |
| Release Ring Material | POM |
| Tubing Seal Material | NBR |
| Tube Retaining Claw Material | High-alloy stainless steel |
| RoHS Compliant | Yes |
| Pack Size | 10 pcs |
Additional information
| Weight | 0.0075 kg |
|---|





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