Product Model
qst-1/8-4

Selling Points
- 1The Festo QST-1/8-4 push-in T-fitting is designed with a T-shape and push-pull principle, making it easy to install and use in pneumatic systems.
- 2This fitting operates within a pressure range of -0.95 to 6 bar, suitable for various compressed air and water applications.
- 3The QST-1/8-4 features a nominal size of 2.8 mm, with a standard size and coating on the screwed plug for enhanced sealing.
- 4It is made from PBT (Polybutylene Terephthalate) material, ensuring durability and resistance to corrosion with a CRC 1 classification.
- 5The fitting supports lubricated operation and is compatible with compressed air according to ISO 8573-1:2010, making it ideal for cleanroom applications with a Class 4 rating.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Size | Standard | Nominal width | 2.8mm |
Type of seal on screwed plug | Coating | Mounting position | Any |
Design | T-shape | Pack size | 10 |
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 | 7Nm | Tolerance for nominal tightening torque | ± 20% |
Product weight | 13g | No. of outlets | 2 |
No. of supply lines | 1 | Type of mounting | External hexagon, AF 10 |
Pneumatic connection 1 | External thread R1/8 | Pneumatic connection 2 | for pneumatic tubing outside diameter 4 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 | 153106 |
Specifications may be subject to change without notice