01
Butt-Welding Triple Offset Butterfly Valve
Specification
Seal structure,soft sealing,multiplayer-hard seal, Elastic ring hard seal. soft seal fireproof
Application
• Butterfly valves: API 609 Cat.B
• Steel valve: ASME B16.34
• Face to face: API 609 or Manufacturer’s standard
• Inspection and test: API 598
Materials
|
No |
Part Name |
ASTM Material |
||||
|
Carbon Steel |
304 Type |
316 Type |
304L Type |
316L Type |
||
|
1 |
Body |
A216-WCB |
A351-CF8 |
A351-CF8M |
A351-CF3 |
A351-CF3M |
|
2 |
Stem |
A182 F6a |
A182-F304 |
A182-F316 |
A182-F304L |
A182-F316L |
|
3 |
Disc |
A216-WCB |
A351-CF8 |
A351-CF8M |
A351-CF3 |
A351-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 |
SS304+Graphite laminated |
SS304+Graphite laminated |
SS316+Graphite laminated |
SS304L+Graphite laminated |
SS316L+Graphite laminated |
|
7 |
Bushing |
Bronze |
304+PTFE |
316+PTFE |
304+PTFE |
316L+PTFE |
|
8 |
Packing |
Graphite |
Graphite |
Graphite |
Graphite |
Graphite |
|
9 |
Yoke |
A216-WCB |
A216-WCB |
A216-WCB |
A216-WCB |
A216-WCB |





