Albion Brass Spring Check Non Return Valves with Female 3/8" to 4" Parallel BSP Threads Art. 66 PN20
A range of brass barrel type spring check (non return) valves.
Available with BSP parallel threads 3/8" to 4".
| Max Pressure | 20 bar |
| Working Temperature | 0°C to +100°C |
| Number | Part | Material |
| 1 | Body | Brass |
| 2 | Bonnet | Brass |
| 3 | Disc Holder | Brass |
| 4 | Disc | NBR |
| 5 | Spring | Stainless Steel 304 |
| 6 | Spring Holder | Brass |
| Thread | A | H | E |
| 3/8" BSPP | 32.5mm | 44.5mm | 11.0mm |
| 1/2" BSPP | 33.0mm | 47.0mm | 12.0mm |
| 3/4" BSPP | 39.0mm | 49.0mm | 14.0mm |
| 1" BSPP | 45.0mm | 58.0mm | 14.5mm |
| 1 1/4" BSPP | 55.0mm | 65.0mm | 14.5mm |
| 1 1/2" BSPP | 60.0mm | 70.0mm | 16.0mm |
| 2" BSPP | 79.0mm | 83.0mm | 18.5mm |
| 2 1/2" BSPP | 95.0mm | 100.0mm | 22.0mm |
| 3" BSPP | 111.0mm | 107.0mm | 24.0mm |
| 4" BSPP | 143.0mm | 111.0mm | 24.0mm |
Please See BSP Thread Size Chart Below
