Applicable Standards
Butterfly Valves, API 609
Butterfly Valves, MSS SP-67
Fire Durable, API 607
Steel Valve, ASME B16.34
Face to Face, API 609
End Flange, ASME B16.5
End Flange, ASME B16.47
Insection And Test, API 598
Desing Description
Seal Structure, Soft Sealing, Multiplayer-hard Seal,
Elastic Ring Hard Seal, Soft Seal Fireproof
Stopper Driver
ISO 5211 Mounting PAD
Connection, Flanged Butt-welded, Wafer,
Wafer Lug-wafer
Operation Type, Manual, Worm Gear, Electric,
Pneumatic, Hydraulic
Eccentric Structure, Centered, Single Eccentric,
Double Eccentric, And Triple Eccentric.
Elastic Ring Hard Seal, Soft Seal Fireproof
Stopper Driver
ISO 5211 Mounting PAD
Connection, Flanged Butt-welded, Wafer,
Wafer Lug-wafer
Operation Type, Manual, Worm Gear, Electric,
Pneumatic, Hydraulic
Eccentric Structure, Centered, Single Eccentric,
Double Eccentric, And Triple Eccentric.
Standard Material Specifiactions
| NO. | Part Name | ASTM Material | |||||
| Carbon steel | 304 Type | 316Type | 304LType | 316LType | Alloy 20 | ||
| 1 | Body | A216-WCB | A315-CF8 | A315-CF8M | A315-CF3 | A315-CF3M | A315-CN7M |
| 2 | Stem | A182 F6a | A182-F304 | A182-F316 | A182-F304L | A182-F316L | Alloy 20 |
| 3 | Disc | A216-WCB | A315-CF8 | A315-CF8M | A315-CF3 | A315-CF3M | A315-CN7M |
| 4 | Hinge pin | A276-410 | A276-304 | A276-316 | A276-304L | A276-316 | Alloy 20 |
| 5 | Bolt | A193-B7 | A193-B8 | A193-B8M | A193-B8 | A193-B8M | Alloy 20 |
| 6 | Seat ring | EPDM | PTFE | PTFE | PTFE | PTFE | PTFE |
| 7 | Bushing | Bronze | 304+PTFE | 316+PTFE | 304L+PTFE | 316L+PTFE | Alloy 20+PTFE |
| 8 | Packing | Graphite | PTFE | PTFE | PTFE | PTFE | PTFE |
| 9 | Yoke | A216-WCB | A216-WCB | A216-WCB | A216-WCB | A216-WCB | A216-WCB |