| 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; NPS 28; NPS 30; NPS 32; NPS 34; NPS 36
|
| 压力等级 |
Class 600
|
| 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 |
螺栓连接阀盖 (BC)
|
| 阀芯结构形式 |
旋启式
|
| 阀座形式 |
整体; 密封焊
|
| 材料 |
| 材料, 阀体 |
A352 LCB; A352 LCC
|
| 材料, 阀盖 |
A105; A105N; A350 LF2; A352 LCB; A352 LCC
|
| 材料, 内件 |
13CR; 13CR/HF (#8); HF (#5); SS316 (#10); 316/HF (#12); HF (#16)
|
| 材料, 阀瓣 |
A276 316L; A105; A105N; A216 WCB; A216 WCC; A351 CF8M; A351 CF3M; A217 CA15; A182 F6a
|
| 材料, 阀座圈 |
A276 316; A276 316L; A276 410; A105; A105N; A182 F316; A182 F6a
|
| 材料, 螺栓螺母 |
A193 Gr. B7/A194 Gr. 2H; A193 Gr. B7M/A194 Gr. 2HM; A320 Gr. L7/A194 Gr. 4; A320 Gr. L7/A194 Gr. 7; A320 Gr. L7M/A194 Gr. 7M
|
| 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; 其他
|
| 标准, 端连接 |
ASME B16.5; ASME B16.47 Series A; ASME B16.47 Series B
|
| 标准, 检验和试验 |
API Std 598; API Spec 6D; ISO 5208
|
| 其他信息 |
