1. Design Standard : IS/ISO 13095 | API609 | BS5155 2.Testing Standard : API 598 | IS/ISO 13095 3. Face to Face : As per IS/ISO 13095 | API609 | BS5155 4. Pressure Rating : PN 10 | PN 16 5. End connection : Wafer to suite ANSI 150 Class, BS Table D & E | DIN PN 10 & 16 Materials 6. Body : Alluminium Die Cast /Equivalent ASTM B 85-84-383.0 7. Disc : S.S. 316 (ASTM A 351 Gr. CF8M) 8. Seat : EPDM etc. 9. Operation : MS, SG,SS Handle | Pneumatically Actuated | Electrically Actuted (Motorised) | Limit & Tamper Switch Fitted