| 一般 |
| 产品名称 |
止回阀; 止回阀, 酸性工况
|
| 特殊工况 |
蒸汽
|
| 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
|
| 压力等级 |
Class 1500
|
| 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 |
压力密封阀盖 (PSC)
|
| 阀芯结构形式 |
旋启式
|
| 阀座形式 |
整体; 密封焊
|
| 材料 |
| 材料, 阀体 |
A351 CF8; A351 CF3
|
| 材料, 阀盖 |
Default; A351 CF8; A351 CF3
|
| 材料, 内件 |
SS304; SS304/HF; HF (#5); SS304L; SS304L/HF; SS316 (#10); 316/HF (#12); HF (#16); HF (#15); SS304H; 其他
|
| 材料, 阀瓣 |
A276 316L; A351 CF8; A351 CF8M; A351 CF3; A351 CF3M
|
| 材料, 阀座圈 |
A276 304; A276 304L; A276 316; A276 316L; A182 F304; A182 F304H; A182 F304L; A182 F316
|
| 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; 软铁椭圆形; 304椭圆形; 304L椭圆形; 316 Oval Ring; 316L Oval Ring; PTFE; 304+PTFE; 304L+PTFE; 316+PTFE; 316L+PTFE
|
| 材料, 涂层, 螺栓螺母 |
Zn-Ni; FCC; Cermet+PTFE; Zn-Ni+PTFE; HDG
|
| 标准 |
| 标准, 设计 |
BS EN 1868; API Spec 6D
|
| 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; ISO 5208
|
| 其他信息 |
