適用標準
鋼制蝶閥，API 609
溫度和壓力，ASME B16.34
結構長度，API 609
試驗標準，API 598
耐火標準，API-607
設計說明
密封結構：軟密封，多層次硬密封，彈性硬密封，防火軟密封
制動器操作
ISO 5211 襯墊
連接：法蘭對焊
操作方式：手動，蝸輪，電動，氣動，液動
偏心結構，中線結構，單偏心，雙偏心，三偏心結構
標準材料規范
| 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 |
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