| Feature | PEN | QS-B fittings |
| Push-in fitting, | One-way flow control valve
(GRLA-QS-B-20) |
| Material | Sheath: Polyethylene
Technically networked | Housing: |
| PBT/ Nickel-plated brass | polycarbonate |
Calibration: internal
and external | Sealing ring: NBR |
| Releasing sleeve: |
| | Polyacetate | Polycarbonate |
| Tubing clip mechanism: Stainless steel |
| Type |
| Tubing O.D. [mm] | 4, 6, 8, 10, 12, 16 | 4, 6, 8, 10, 12, 16 | 6, 8 |
| Colours | black, natural, blue
silver, red, green, yellow* | blue-black |
| Type of thread | | Metric and R threads | G thread |
| Applications |
| Operating pressure [bar] | -0,95 ... +10 | -0,95 ... +10 | -0,2 ... +10 |
| Operating temperature [°C] | -30 ... +60 | 0 ... +60 | -10 ... +60 |
| Resistance and suitability* |
| Resistance to chemicals | ++ | + |
| Hydrolysis resistant | +++ | +++ |
| Antistatic | - | - |
| Flame resistant | - | - |
| Approved for use in the food industry | - | - |
| Media | Compressed air, vacuum | Compressed air, vacuum |
| Miscellaneous |
| Packaging units | 50, 100, 200, 300,
400, 500 m | 10 pcs., 20 pcs. | 20 pcs. |
| Number of different models | 6 diameters | 176 different Types | 3 different Types |
+++ extremely suitable
++ very suitable
+ suitable with limitation
- not suitable
* Additional colours on request
