1. Face to face dimensions conform to DIN3202-F1 2. Flanges dimensions conform to DIN2532/2533 3. Conforms to DIN3352 4. Nominal pressure: 1.6mpa 5. Shell test pressure: 2.4mpa 6. Sealing test pressure: 1.76mpa 7. Suitable medium: water. Cages and wooden box.