| 一般 |
| 特殊工况 |
氧气; 低温; 环氧乙烷; 氢气工况; 氯/氯气
|
| 产品名称 |
止回阀; 止回阀, 酸性工况
|
| 公称尺寸 |
NPS 2; NPS 2-1/2; NPS 3; NPS 4; NPS 5; NPS 6; NPS 8; NPS 10; NPS 12; NPS 14; NPS 16; NPS 18; NPS 20; NPS 22; NPS 24; NPS 26; NPS 28; NPS 30; NPS 32; NPS 34; NPS 36; NPS 38; NPS 42
|
| 压力等级 |
Class 150
|
| 端连接方式 |
RF; 平面法兰 (FF); 环连接法兰 (RTJ)
|
| 法兰面加工 |
光洁面; Stock Finish; Spiral Serrated; Concentric Serrated; 125-250 AARH; 250-500 AARH; 63 AARH
|
| 产品结构形式 |
Split Body
|
| 阀芯结构形式 |
斜瓣式
|
| 阀座形式 |
整体; 密封焊
|
| 材料 |
| 材料, 阀体 |
A351 CF8M; A351 CF3M
|
| 材料, 内件 |
SS316 (#10); SS316L; SS316L/HF; 316/HF (#12); HF (#16); 其他
|
| 材料, 阀瓣 |
A276 316L; A182 F316; A351 CF8M; A351 CF3M
|
| 材料, 螺栓螺母 |
A193 Gr. B7/A194 Gr. 2H; A193 Gr. B7M/A194 Gr. 2HM; A193 Gr. B8 Cl. 1/A194 Gr. 8; A193 Gr. B8 Cl. 2/A194 Gr. 8; A320 Gr. B8 Cl. 2/A194 Gr. 8; A193 Gr. B8M Cl. 1/A194 Gr. 8M; A193 Gr. B8M Cl. 2/A194 Gr. 8M; A320 Gr. B8M Cl. 1/A194 Gr. 8M; A320 Gr. B8M Cl. 2/A194 Gr. 8M; A193 Gr. B8M Cl. 2/A194 Gr. 8MA; A193 Gr. B8MA/A194 Gr. 8MA
|
| 材料, 垫片 |
304+石墨缠绕; 304L+石墨缠绕; 316+石墨缠绕; 316L+石墨缠绕
|
| 材料, 涂层, 螺栓螺母 |
Zn-Ni; Zn-Ni+PTFE
|
| 标准 |
| 标准, 设计 |
ASME B16.34; BS EN 1868
|
| 标准, 面到面结构长度 |
ASME B16.10; 其他
|
| 标准, 端连接 |
ASME B16.5; ASME B16.47 Series A; ASME B16.47 Series B; MSS SP-44
|
| 标准, 检验和试验 |
API Std 598; API Spec 6D
|
| 其他信息 |
