| Feature | PUN-H | QS fittings | |
|---|---|---|---|
| Push-in fitting |
One-way flow control valve GRLA-1/8-QS-6-RS-B | ||
| Material | Sheath: Polyurethane | Releasing ring: POM | Screwed trunnion: Wrought aluminium alloy |
| Calibration: External | Tubing seal: NBR | Seals: NBR, TPE-U(PU) | |
| Housing: Nickel-plated brass, PBT | Releasing ring: POM | ||
| Tube clamping segment: High-alloy stainless steel | Knurled head: Wrought aluminium alloy | ||
| Screwed trunnion: Nickel-plated brass | Adjusting screw: Brass | ||
| Swivel joint: PBT-reinforced | |||
| Design | |||
| Tubing OD [mm] | 2*, 3, 4, 6, 8, 10, 12, 14, 16 ( * = only available in black, red, natural) | 4, 6, 8, 10, 12, 16, 22 | 3, 4, 6, 8 |
| Colours | Silver, blue, black, yellow, green, red, natural | Black/blue | Black/blue |
| Thread type | R and G thread | M and G thread | |
| Area of application | |||
| Operating pressure [bar] | -0.95 ... +10 | -0.95 … +6 (except QS-G¾-22) | -0.2 ... +10 |
| Operating temperature [°C] | -35 ... +60 | -10 … +80 (except QS-G¾-22) | -10 ... +60 |
| Resistance and suitability* | |||
| Chemical resistance | + | + | |
| Hydrolysis resistance | ++ | +++ | |
| Antistatic | - | - | |
| Flame resistance | UL94HB (not with Ø 2 mm) | - | |
| Food industry approval | + (not with Ø 2 mm) | - | |
| Media | Compressed air | Compressed air, water as per manufacturer’s declaration | Compressed air |
| Other | |||
| Packaging units | 1 m…50 m, 50 m, 100 m, 200 m, 300 m, 400 m, 500 m | 1 pc., 10 pcs., 20 pcs., 50 pcs., 100 pcs. | 1 pc. |
+++ Extremely suitable
++ Very suitable
+ Quite suitable
- Not suitable
* Other colours on request