1.Conforms to DIN3352,BS5163,SARS664/665íú 2. Face to face dimensions conform to EN558 SARS664íú 3. Nominal pressure: 1.0mpa , 1.6mpa, 2.5mpa 4. Socket end: fitted with NBR/EPDM rubber seat to suit PVC-PIPES 5. test and inspection : DIN3230,BS6755íú 6. Suitable media: water, neutral liquid. 7. Working temperature: NBR