Applicable Standards
★Butterfly Valves, API 609
★Fire Durable, API 607
★Steel Valve, ASME B16.34
★Face to Face, API 609
★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,
▲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 |
316 Type |
304L Type |
316L Type |
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 |
Retaining ring |
A105 |
A182-F304 |
A182-F316 |
A182-F304L |
A182-F316 |
Alloy 20 |
| 7 |
Seat ring |
Graphite+304 |
Graphite+304 |
Graphite+316 |
Graphite+304L |
Graphite+316L |
Graphite+Alloy 20 |
| 8 |
Bushing |
Bronze |
304+PTFE |
316+PTFE |
304L+PTFE |
316L+PTFE |
Alloy 20+PTFE |
| 9 |
Packing |
Graphite |
PTFE |
PTFE |
PTFE |
PTFE |
PTFE |
| 10 |
Yoke |
A216-WCB |
A216-WCB |
A216-WCB |
A216-WCB |
A216-WCB |
A216-WCB |
|
