Applicable Standards
Standard Material Specifiactions
Butterfly Valves, API 609
Butterfly Valves, MSS SP-67
Fire Durable, API 607
Steel Valve, ASME B16.34
Face to Face, API 609
Insection And Test, API 598
Design Description
Seal Structure, Soft Sealing
Stopper Driver
ISO 5211 Mounting PAD
Connection, Wafer, Lug-wafer
Operation, Manual, Worm Gear, Electric,
Pneumatic, Hydraulic
Eccentric Structure, Centered
Stopper Driver
ISO 5211 Mounting PAD
Connection, Wafer, Lug-wafer
Operation, Manual, Worm Gear, Electric,
Pneumatic, Hydraulic
Eccentric Structure, Centered
Standard Material Specifiactions
| NO. | Part Name | Material | ||||
| Carbon steel | A126 | 304 | 304L Type | 316L Type | ||
| 1 | Body | A216-WCB | A315-CF8 | A315-CF8M | A315-CF3 | A315-CF3M |
| 2 | Stem | A182 F6a | A182-F304 | A182-F316 | A182-F304L | A182-F316L |
| 3 | Disc | A216-WCB | A315-CF8 | A315-CF8M | A315-CF3 | A315-CF3M |
| 4 | Hinge pin | A276-410 | A276-304 | A276-316 | A276-304L | A276-316 |
| 5 | Bolt | A193-B7 | A193-B8 | A193-B8M | A193-B8 | A193-B8M |
| 6 | Seat ring | NBR/EPDM | NBR/EPDM | PTFE | PTFE | PTFE |
| 7 | Bushing | Bronze | 304+PTFE | 316+PTFE | 304L+PTFE | 316L+PTFE |
| 8 | Packing | Graphite | PTFE | PTFE | PTFE | PTFE |
| 9 | Yoke | A216-WCB | A216-WCB | A216-WCB | A216-WCB | A216-WCB |