
| Check Valve Reverse Flow – Unscreened | |
|---|---|
| Model Code | Cracking Pressure (bar) |
| BRAA055U000 | 0.00 (no spring) |
| BRAA055U014 | 0.14 (±0.05) |
| BRAA055U025 | 0.25 (±0.10) |
| BRAA055U040 | 0.40 (±0.30) |
| BRAA055U050 | 0.50 (±0.30) |
| BRAA055U100 | 1.00 (±0.30) |
| BRAA055U200 | 2.00 (±0.30) |

| Check Valve Reverse Flow – Screened | |
|---|---|
| Model Code | Cracking Pressure (bar) |
| BRAA055S000 | 0.00 (no spring) |
| BRAA055S014 | 0.14 (±0.05) |
| BRAA055S025 | 0.25 (±0.10) |
| BRAA055S040 | 0.40 (±0.30) |
| BRAA055S050 | 0.50 (±0.30) |
| BRAA055S100 | 1.00 (±0.30) |
| BRAA055S200 | 2.00 (±0.30) |
| Materials | |
|---|---|
| Sleeve | 1.4305 / AISI 303 |
| Pin | 1.4021 / AISI 420A |
| Cage | 1.4305 / AISI 303 |
| Spring | 1.4310 / AISI 301 |
| Ball | 1.3541 / AISI 420C |
| Screen | 1.4401 / AISI 316L |
| Performance | |
|---|---|
| Max. installation force | 6200 N |
| Max. working pressure in check direction | 280 bar |
| Max. working pressure in flow direction | 40 bar |
| Max. leakage on air | 20 sccm/min. @ 1.72 bar |
| Max. leakage on hydraulic fluid (HLP46) | 1 drop/min. |
| Cycle test on hydraulic fluid (HLP46) | 1 Mio. Cycles, 5 Hz, 6 bar, 50˚C |
| Screen size | 125 Microns Absolute |
| Material of test body | EN-GJS-600-3 |

