Description
The Festo Push-in Fitting QS-1/2-12 is a robust and easy-to-install pneumatic connector designed for fast and secure tube connections in compressed air and water systems. Engineered with a nickel-plated brass housing and high-alloy stainless steel tube retaining claw, this fitting offers excellent corrosion resistance and long-term performance in industrial environments.
Suitable for 12 mm tubing with R1/2 external thread, the straight design and push-pull principle enable quick assembly and disassembly—ideal for systems requiring frequent maintenance or reconfiguration. It operates efficiently across a wide pressure and temperature range, and supports both air and water as media, making it versatile for various industrial and automation applications.
Whether used in packaging lines, pneumatic circuits, or general machine building, the QS-1/2-12 ensures leak-free, RoHS-compliant connectivity with minimal installation effort.
Specifications
| Specification | Details |
|---|---|
| Product Model | QS-1/2-12 |
| Fitting Type | Push-in, Straight Design |
| Pneumatic Connection 1 | External Thread R1/2 |
| Pneumatic Connection 2 | For tubing O.D. 12 mm |
| Nominal Width | 11 mm |
| Operating Pressure (full temp. range) | -0.095 to 0.6 MPa (up to 6 bar / 87 psi) |
| Temp-Dependent Pressure Range | -0.095 to 1.4 MPa (up to 14 bar / 203 psi) |
| Operating Media | Compressed Air (ISO 8573-1:2010 [7:-:-]), Water |
| Operating Temp. Range | -10 °C to 80 °C |
| Nominal Tightening Torque | 26 Nm ± 20% |
| Mounting Type | External hexagon (AF 21) |
| Design Principle | Push-pull |
| Pack Size | 1 |
| Corrosion Resistance Class (CRC) | 1 – Low corrosion stress |
| Releasing Ring Color | Blue |
| RoHS Compliant | Yes |
| Weight | 44 g |
| Housing Material | Brass, nickel-plated |
| Releasing Ring Material | POM |
| Tube Seal Material | NBR |
| Tube Retaining Claw Material | High-alloy stainless steel |
| LABS (PWIS) Conformity | VDMA24364-B1/B2-L |
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