
LESER Type 459 HDD Ultra-High Pressure Safety Valve
AirGasLiquidSteam
Safety valve for ultra-high pressure applications up to 850 bar.
| Inlet Sizes | NPT 1/2 – 1 | NPS 1/2 – 1 |
| Pressure Ratings | 250 – 850 bar |
| Connection | Flanged & Threaded |

| Inlet Sizes | NPT 1/2 – 1 | NPS 1/2 – 1 |
| Pressure Ratings | 250 – 850 bar |
| Connection | Flanged & Threaded |