| 1.Conforms to DIN3352 BS5163 SARS664/6652. Face to face dimensions conform to EN558 SARS6643. Nominal pressure: 1.0mpa 1.6mpa 2.5mpa4. Socket end: fitted with NBR/EPDM rubber seat to suit PVC-PIPES 5. test and inspection : DIN3230 BS67556. Suitable media: water, neutral liquid.7. Working temperature: NBR<80, EPDM,1008. Operator: handwheel、 nut, extension stem, gear operator | 
