Product overviewFesto QSTF, QSM, QS and QSML push-in fittings for pneumatic tubing connections. Designed for male G1/8 ports, compatible with tube outer diameters from 4 mm to 8 mm depending on part. Operating pressure range: -0.95 to 14 bar. Typical temperature range (where specified): -10°C to 80°C.
Available parts- QSTF-G1/8-4 — Push-in T-fitting; male thread G1/8; tube OD 4 mm; nominal bore ~3 mm; -0.95 to 14 bar
- QSTF-G1/8-6 — Push-in T-fitting; male thread G1/8; tube OD 6 mm; nominal bore ~4 mm; -0.95 to 14 bar
- QSTF-G1/8-8 — Push-in T-fitting; male thread G1/8; tube OD 8 mm; nominal bore ~5.6 mm; -0.95 to 14 bar
- QSM-G1/8-4-I — Push-in straight fitting; male thread G1/8; tube OD 4 mm; nominal bore ~3.1 mm; -0.95 to 14 bar
- QS-G1/8-4-I-100 — Push-in straight fitting; male thread G1/8; tube OD 4 mm; nominal bore ~2.6 mm; -0.95 to 14 bar
- QSM-G1/8-4 — Push-in straight fitting; male thread G1/8; tube OD 4 mm; nominal bore ~2.9 mm; -0.95 to 14 bar
- QSML-G1/8-4 — Push-in L-fitting; male thread G1/8; tube OD 4 mm; nominal bore ~2.5 mm; -0.95 to 14 bar
- QS-G1/8-4-100 — Push-in straight fitting; male thread G1/8; tube OD 4 mm; nominal bore ~3 mm; -0.95 to 14 bar
- QS-G1/8-4 — Push-in straight fitting; male thread G1/8; tube OD 4 mm; nominal bore ~3 mm; -0.95 to 14 bar
Features- Push-in connection for quick pneumatic tubing installation and removal
- Compatible tube outer diameters: 4 mm, 6 mm and 8 mm (model-dependent)
- Port thread: male G1/8
- Nominal internal bore varies by part (approx. 2.5 mm to 5.6 mm)
- Operating pressure range: -0.95 to 14 bar
- Temperature range (where specified): -10°C to 80°C
Technical specifications- Brand: Festo
- Series / family: QSTF, QSM, QS, QSML (push-in fittings)
- Common port thread: male G1/8
- Tube OD options: 4 mm, 6 mm, 8 mm
- Nominal bores by part: approx. 2.5 mm, 2.6 mm, 2.9 mm, 3 mm, 3.1 mm, 4 mm, 5.6 mm
- Pressure range: -0.95 to 14 bar
- Temperature range: -10°C to 80°C (listed on specific product data)
- Available part numbers: QSTF-G1/8-4; QSTF-G1/8-6; QSTF-G1/8-8; QSM-G1/8-4-I; QS-G1/8-4-I-100; QSM-G1/8-4; QSML-G1/8-4; QS-G1/8-4-100; QS-G1/8-4