Push-in fittings
Cartridges QSP, inch
Festo QSP cartridges in the inch series follow the same press-fit cartridge principle as the metric range, but are designed for tube outside diameters to US and British imperial standards: 1/8", 3/16", 5/32", 1/4", 5/16" and 3/8". All inch variants carry the suffix -U in the part number. The press-fit body diameters (OD 10, 14, 18, 20 mm) are the same as in the metric range, so both can be installed in the same manifold plate.
Straight (QSPKG), single-elbow (QSPLKG) and double-elbow (QSPLLKG) forms allow selecting the tube exit direction to suit the installation space. No adapters are needed to connect inch tubing to QSP manifold plates.
- 27 items
- 1 manufacturer
- Net prices plus VAT
Buying guide
How to choose Cartridges QSP, inch
What matters when choosing: properties, comparison and typical applications.
Technical features
QSP inch type overview
| Type | Form | Press OD | Tube (inch) |
|---|---|---|---|
| QSPKG10-1/8-U to -1/4-U | Straight, G thread | 10 mm | 1/8", 3/16", 5/32", 1/4" |
| QSPKG14-1/4-U, -5/16-U | Straight, G thread | 14 mm | 1/4", 5/16" |
| QSPKG18-5/16-U, -3/8-U | Straight, G thread | 18 mm | 5/16", 3/8" |
| QSPKG20-5/16-U to -1/2-U | Straight, G thread | 20 mm | 5/16", 3/8", 1/2" |
| QSPLKG10-... to QSPLKG20-... | 90° elbow | 10-20 mm | 1/8"-3/8" |
| QSPLLK18-3/8-U, -5/16-U | 180° U-bend | 18 mm | 3/8", 5/16" |
Typical applications
Typical applications: Machines of North American or British origin with imperial tube systems, retrofit projects where existing inch pneumatic lines are to be connected to Festo manifold plates, and export machines destined for markets using inch standardisation.















