1. Conforms to DIN3352 2. Flanges dimensions conform to DIN2532/2533 úª EN1092 3. Face to face dimensions conform to DIN3202 f4/f5 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.