Salutem redundantiam valvae
AY42H-160, AY42H-250, AY42H-400, AY42H-600 .
TA802Y-160, TA802Y-250, TA802Y-400, TA802Y-600.
AY42H、TA802Y genus valvulae salutis redundantiae applicandae sunt pipelines in statio pressionis altae ut tutelam pressionis provideant.
| Type
| Pressura nominatimPN(MPa) | Foramen pressura(MPa) | opus temperatus(℃) | Idoneum medium |
| AY42H-160TA802Y-160 | 16 | 6.3~16.0 | 200 | Aquae, Oleum etc. |
| AY42H-250TA802Y-250 | 25.0 | 10.0~25.0 | ||
| AY42H-400TA802Y-400 TA802Y-600 | 40.0-60.0 | 20.0~60.0 |
| Nec. | Nomen partis | Materiae |
| 1 | Corpus | Carbon chalybe |
| 2 | Sedes | Diver |
| 3 | Disc | Diver |
| 4 | Bonnet | Welding |
| 5 | Ver | 50CrVA |
| Type | Nominal diameter DN(mm) | Dimensiones (mm) | ||||
| Rc | ZG | L | L1 | ≈H | ||
| TA802Y-600 | 15 | 1/2" | 1/2" | 52 | 90 | 250 |
| 25 | 1" | 1" | 52 | 113 | 275 | |
| 40 | 1 1/2" | 1 1/2" | 52 | 157 | 336 | |
| Type | Nominal diameterDN(mm) | Dimensiones (mm) | |||||||||
| D | D1 | K | M | Z-Φd | b | L | L1 | RC | ≈H | ||
| AY42H-160AY42H-250 AY42H-400 | 15 | 135 | 95 | 25 | M48*2 | 4-22 | 25 | 65 | 140 | 1" | 329 |
| 20 | 165 | 115 | 30 | M52*2 | 6-26 | 28 | 80 | 150 | 1 1/2" | 447 | |
| 25 | 200 | 145 | 38 | M80*3 | 6-29 | 40 | 90 | 180 | 2" | 485 | |
| 32 | 225 | 170 | 42 | M100*3 | 6-33 | 50 | 100 | 200 | 2 1/2" | 570 | |
