| 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 600
|
| 端连接方式 |
对焊 (BW)
|
| 管号 |
SCH 5S; SCH 5; SCH 10; SCH 10S; SCH 20; SCH 30; SCH 40S; SCH STD; SCH 40; SCH 60; SCH 80S; SCH 80; SCH 100; SCH 120; SCH 140; SCH 160; SCH XXS
|
| 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 |
SS304; SS304/HF; SS304L; SS304L/HF; SS316 (#10); 316/HF (#12); HF (#16); 其他
|
| 材料, 阀瓣 |
A351 CF8; A182 F316; A351 CF8M; A351 CF3
|
| 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; ASME B16.10 Long Pattern; ASME B16.10 Short Pattern; 其他
|
| 标准, 端连接 |
ASME B16.25
|
| 标准, 检验和试验 |
API Std 598; API Spec 6D
|
| 其他信息 |
