Product Model
qst-1/4-8-50

Key Features
- 1The Festo QST-1/4-8-50 push-in T-fitting features a standard nominal size of 6.7 mm, ensuring precise and reliable pneumatic connections.
- 2This T-fitting is designed with a push-pull principle, making it easy to install and remove without the need for tools.
- 3The QST-1/4-8-50 is compatible with compressed air to ISO 8573-1:2010 and can also operate with water, as per the manufacturer's declaration.
- 4The fitting is made from RoHS-compliant materials, including PBT for the housing and POM for the sleeve, ensuring high-quality construction.
- 5With a corrosion resistance class of CRC 1 (low corrosion stress) and a cleanroom class of Class 4 according to ISO 14644-1, this fitting is ideal for various industrial applications.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Size | Standard | Nominal width | 6.7mm |
| Type of seal on screwed plug | Coating | Mounting position | Any |
| Design | T-shape | Pack size | 50 |
| Structural design | Push-pull principle | Operating pressure for entire temperature range | -13.775psi 87psi |
| Temperature-dependent operating pressure | -13.775psi 203psi | Information on operating pressure | Water: max. 0.6 MPa at max. 50 °C |
| Operating medium | Compressed air as per ISO 8573-1:2010 [7:-:-] Water (liquid, ice-free) | Information on operating and pilot media | Operation with oil lubrication possible |
| Corrosion resistance class (CRC) | 1 - Low corrosion stress | LABS (PWIS) conformity | VDMA24364-B1/B2-L |
| Cleanroom class | Class 4 according to ISO 14644-1 | Ambient temperature | -10°C 80°C |
| Nominal tightening torque | 9Nm | Tolerance for nominal tightening torque | ± 20% |
| Product weight | 25g | No. of outlets | 2 |
| No. of supply lines | 1 | Type of mounting | External hexagon, AF 14 |
| Pneumatic connection 1 | External thread R1/4 | Pneumatic connection 2 | for pneumatic tubing outside diameter 8 mm |
| Releasing ring color | Blue | Material of screwed plug | Brass, nickel-plated |
| Note on materials | RoHS-compliant | Housing material | PBT |
| Releasing ring material | POM | Material of tubing seal | NBR |
| Material of tube retaining claw | High-alloy stainless steel | Manufacturer ID | 130797 |
Specifications may be subject to change without notice
