产品名称:美标止回阀
产品型号:H41W(H)
公称尺寸:1/2”-20”
公称压力:150Lb-600Lb 10K-40K
阀体材质:WCB、CF8、CF8M、CF3、CF3M
应用规范
结构长度    ANSI B16.10             设计标准        API6D&BS1868
法兰尺寸    ANSI B16.5              检验标准        API598
主要零件及材质
| 
 NO.  | 
 零件名称   | 
 Qty.  | 
 材料  | 
 NO.  | 
 零件名称  | 
 Qty.  | 
 材料  | 
| 
 1  | 
 阀体  | 
 1  | 
 WCB  | 
9 | 
铭牌 | 
1 | 
304 | 
| 
 2  | 
 阀座  | 
 2  | 
 A105+HF  | 
10 | 
垫片 | 
1 | 
304不锈钢+柔性石墨 | 
| 
 3  | 
 闸瓣  | 
 1  | 
 WCB+F6  | 
11 | 
阀盖 | 
1 | 
WCB | 
| 
 4  | 
阀杆 | 
 1  | 
WCB | 
12 | 
螺柱 | 
  | 
A193 B7 | 
| 
 5  | 
垫片 | 
 1  | 
A276 410  | 
13 | 
螺母 | 
  | 
A194 2H  | 
| 
 6  | 
螺母 | 
 1  | 
A276 410  | 
14 | 
吊环 | 
1 | 
A29 1035  | 
| 
 7  | 
销轴 | 
 1  | 
A276 410  | 
15 | 
垫片 | 
1 | 
1008 | 
| 
 8  | 
铆钉 | 
 2  | 
304 | 
16 | 
螺塞 | 
1 | 
A276 410  | 
主要连接尺寸及重量
| 
 NPS d   | 
 in  | 
 2  | 
 2-1/2  | 
 3  | 
 4  | 
 5  | 
 6  | 
 8  | 
 10  | 
 12  | 
 14  | 
 16  | 
 18  | 
 20  | 
 | 
| 
 mm  | 
 51  | 
 64  | 
 76  | 
 102  | 
 127  | 
 152  | 
 203  | 
 254  | 
 305  | 
 337  | 
 387  | 
 438  | 
 489  | 
 | 
| 
 L-L1 (RF-BW) 
 | 
 in  | 
8.00 | 
8.50 | 
9.50 | 
11.50 | 
13.00 | 
14.00 | 
19.50 | 
24.50 | 
27.50 | 
31.00 | 
34.00 | 
38.50 | 
38.50 | 
 | 
| 
 mm  | 
203 | 
216 | 
241 | 
292 | 
330 | 
356 | 
495 | 
622 | 
698 | 
787 | 
864 | 
978 | 
978 | 
 | 
| 
 L2 (RTJ) 
 | 
 in  | 
8.50 | 
9.00 | 
10.00 | 
12.00 | 
13.50 | 
14.50 | 
20.00 | 
25.00 | 
28.00 | 
31.50 | 
34.50 | 
39.00 | 
39.00 | 
 | 
| 
 mm  | 
216 | 
229 | 
254 | 
305 | 
343 | 
368 | 
508 | 
635 | 
711 | 
800 | 
876 | 
991 | 
991 | 
 | 
| 
 d1 
 | 
 in  | 
3.62 | 
4.13 | 
5.00 | 
6.18 | 
7.32 | 
8.50 | 
10.63 | 
12.76 | 
15.00 | 
16.26 | 
18.50 | 
20.98 | 
22.99 | 
 | 
| 
 mm  | 
92 | 
105 | 
127 | 
157 | 
186 | 
216 | 
270 | 
324 | 
381 | 
413 | 
470 | 
533 | 
584 | 
 | 
| 
 d2 
 | 
 in  | 
4.75 | 
5.50 | 
6.00 | 
7.50 | 
8.50 | 
9.50 | 
11.75 | 
14.25 | 
17.00 | 
18.75 | 
21.25 | 
22.75 | 
25.00 | 
 | 
| 
 mm  | 
120.5 | 
139.5 | 
152.5 | 
190.5 | 
216 | 
241.5 | 
298.5 | 
362 | 
432 | 
476 | 
540 | 
578 | 
635 | 
 | 
| 
 D 
 | 
 in  | 
6.00 | 
7.00 | 
7.50 | 
9.00 | 
10.00 | 
11.00 | 
13.50 | 
16.00 | 
19.00 | 
21.00 | 
23.50 | 
25.00 | 
27.50 | 
 | 
| 
 mm  | 
152 | 
178 | 
190 | 
229 | 
254 | 
279 | 
343 | 
406 | 
483 | 
533 | 
597 | 
635 | 
699 | 
 | 
| 
 b 
 | 
 in  | 
0.75 | 
0.88 | 
0.94 | 
0.94 | 
0.94 | 
1.00 | 
1.13 | 
1.19 | 
1.25 | 
1.38 | 
1.44 | 
1.56 | 
1.69 | 
 | 
| 
 mm  | 
16 | 
17.5 | 
19 | 
24 | 
25 | 
26 | 
29 | 
31 | 
32 | 
35 | 
37 | 
40 | 
43 | 
 | 
| 
 n-Φd 
 | 
 in  | 
4-0.75 | 
4-0.75 | 
4-0.75 | 
8-0.75 | 
80.87 | 
-0.87 | 
8-0.87 | 
12-1.00 | 
12-1.00 | 
12-1.13 | 
16-1.13 | 
16-1.25 | 
20-1.25 | 
 | 
| 
 mm  | 
4-19 | 
4-19 | 
4-19 | 
8-19 | 
8-22 | 
8-22 | 
8-22 | 
12-25 | 
12-25 | 
12-29 | 
16-29 | 
16-32 | 
20-32 | 
 | 
| 
 H (open) 
 | 
 in  | 
5.31 | 
6.10 | 
6.61 | 
9.37 | 
9-80 | 
10.91 | 
13.35 | 
15.67 | 
20.67 | 
21.77 | 
22-99 | 
26.30 | 
28.03 | 
 | 
| 
 mm  | 
135 | 
155 | 
168 | 
235 | 
249 | 
277 | 
339 | 
398 | 
525 | 
553 | 
584 | 
688 | 
712 | 
 | 
| 
 WT(kg) 
 | 
 BF  | 
17 | 
21 | 
29 | 
42 | 
69 | 
74 | 
108 | 
177 | 
282 | 
372 | 
570 | 
665 | 
900 | 
 | 
| 
 BW  | 
13 | 
17 | 
24 | 
36 | 
57 | 
62 | 
96 | 
158 | 
238 | 
324 | 
483 | 
48 | 
782 |