适用标准 钢制蝶阀,API 609,MSS SP-67 温度和压力,ASME B16.34 结构长度,API 609 端法兰, ASME B 16.5 试验标准,API 598 耐火标准,API-607
设计说明 密封结构:软密封,多层次硬密封,弹性硬密封,防火软密封 制动器操作 ISO 5211 衬垫 连接:法兰,对焊,对夹,凸耳对夹 操作方式:手动,涡轮,电动,气动,液动 偏心结构,中线结构,单偏心,双偏心,三偏心结构
标准材料规范
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 |
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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