| BODY | ASTM A 216 Gr WCB | WC1 | WC6 | WC9 | LCB |
| CLOSURE PLATE (DISC) | SS 304 | SS 316 |
| HING PIN | AISI 304 | AISI 316 |
| STOP PIN | AISI 304 | AISI 316 |
| SPRING | STAINLESS STEEL |
| SEAT | EPDM |
| MFG STD | GENERALLY CONFORMING TO API 6D | API 594 |
| INSP & TEST STD | GENERALLY CONFORMING TO API 6D | API 598 |
| ENDS | WAFER TYPE TO SUIT ANSIB 16.5 (150#) |
| HYD-TEST PRESSURE | BODY : 425 Psig (30 Kg/Cm ²) |
| SEAT : 300 Psig (21 Kg/Cm ²) | |
| SIZE RANGE | 50 MM TO 600 MM |
