适用标准
钢制截止阀,BS1873
温度和压力,ASME B16.34
结构长度,ASME B 16.10
端法兰, ASME B 16.5
对焊端,ASME B 16.25
试验标准,API 598
设计说明
全通型
栓接阀盖
明杆
支架和阀盖一体
可更换阀座
水平安装
升降式阀杆和手轮
法兰或对焊端
可安装伞齿轮
标准材料规范
NO. | Part Name | ASTM Material |
Carbon steel | 2.5Ni | 3.5Ni | 304 Type | 316Type | 304L Type | 316L Type | 20 Alloy |
1 | Body | A352 LCB | A352 LC2 | A352 LC3 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M | A351 CN7M |
2 | Bonnet | A352 LCB | A352 LC2 | A352 LC3 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M | A351 CN7M |
3 | Disc | LCB 304 "1 | LC2 304 | LC3 304 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M | A351 CN7M |
4 | Stem | A182 F304 | A182 F304 | A182 F304 | A182 F304 | A182 F316 | A182 F304L | A182 F316L | 20-Alloy |
5 | Seat Ring | A105 304"1 | A182 F22 HF | A182 F22 HF | K | A | NA |
6 | Back Seat | A276 304 | A276 304 | A276 304 | NA | NA |
7A | Bonnet Gasket | 304 graphite | 304 graphite | 304 graphite | 304 graphite | 316 graphite | 304L graphite | 316L graphite | 316 graphite |
7B | Ring Gasket | A182 F304 | A182 F304 | A182 F304 | A182 F304 | A182 F316 | A182 F304L | A182 F316L | 20-Alloy |
8 | Bonnet Bolt | A193 L7 | A193 L7 | A193 L7 | A193 B8 | A193 B8M | A193 B8 | A193 B8M | A193 B8M |
9 | Bonnet Nut | A194 4 | A194 4 | A194 4 | A194 8 | A194 8M | A194 8 | A194 8M | A194 8M |
10 | Packing | Graphite | Graphite | Graphite | Graphite *2 | Graphite *2 | Graphite *2 | Graphite *2 | Graphite *2 |
11 | Gland | A276 410 | A276 410 | A276 410 | A276 304 | A276 316 | A276 304L | A276 316L | 20-Alloy |
12 | Gland Flange | A216WCB | | | A351CF8 | A351CF8 | A351 CF8 | A351CF8 | A351CF8 |
13 | Eyebolt | A193 L7 | A193 L7 | A193 L7 | A193 B8 | A193 B8 | A193 B8 | A193 B8 | A193 B8 |
14 | Eyebolt Nut | A194 4 | A194 4 | A194 4 | A194 8 | A194 8 | A194 8 | A194 8 | A194 8 |
15 | Eyebolt Pin | A276 410 | A276 410 | A276 410 | A276 304 | A276 304 | A276 304 | A276 304 | A276 304 |
16 | Greas Fitting | Commercial | Commercial | Commercial |
17 | Yoke Sleeve | Bronze | I Bronze *3 | Bronze *3 | Bronze | Bronze |
18 | Hand Wheel | Malleable iron | Malleable iron | Malleable iron |
19 | Wheel Nut | Carbon steel | Stainless steel | Stainless steel |
*1 | PN≥600 CLASS seal face will be HF |
*2 | PTFE Optional |
*3 | Ductile Ni-Resist iron Optional |
NA | Integral with vessell |