
■性能规范
|
性能规范 |
设计规范 |
结构长度 |
连接法兰 |
试验与检验 |
产品标识 |
供货规范 |
|
GB/T 12224 |
GB/T 12221 |
JB/T 78;JB/T 79 |
GB/T 13927 |
GB/T 12220 |
JB/T 7928 |
设计与制造符合中国国家标准 基本结构形式:升降立式(新型) 主要零部件材料见表6-1 公称压力:PN1.0~2.5MPa 公称通径:DN15~500mm 衬里型式:全衬里型、半衬里型 衬里止回阀系列 ■主要外型和连接尺寸
|
公称通径 |
标准值 |
参考值 |
|
DN(mm) |
NPS(inch) |
L |
D |
D1 |
D2 |
f |
b |
Z-φd |
WT(kg) |
|
PN1.0MPa |
|
15 |
1/2 |
108 |
95 |
65 |
45 |
2 |
14 |
4-φ14 |
2.5 |
|
20 |
3/4 |
117 |
105 |
75 |
55 |
2 |
16 |
4-φ14 |
3.5 |
|
25 |
1 |
127 |
115 |
85 |
65 |
2 |
16 |
4-φ14 |
4 |
|
32 |
11/4 |
140 |
135 |
100 |
78 |
2 |
18 |
4-φ18 |
5 |
|
40 |
11/2 |
165 |
145 |
110 |
85 |
3 |
18 |
4-φ18 |
6 |
|
50 |
2 |
203 |
160 |
125 |
100 |
3 |
20 |
4-φ18 |
8 |
|
65 |
21/2 |
216 |
180 |
145 |
120 |
3 |
20 |
4-φ18 |
10 |
|
80 |
3 |
241 |
195 |
160 |
135 |
3 |
22 |
4-φ18 |
13 |
|
100 |
4 |
292 |
215 |
180 |
155 |
3 |
22 |
8-φ18 |
25 |
|
150 |
6 |
356 |
280 |
240 |
210 |
3 |
24 |
8-φ23 |
46 |
|
200 |
8 |
495 |
335 |
295 |
265 |
3 |
26 |
8-φ23 |
100 |
|
250 |
10 |
622 |
390 |
350 |
320 |
3 |
28 |
12-φ23 |
155 |
|
300 |
12 |
698 |
440 |
400 |
368 |
4 |
28 |
12-φ23 |
180 |
|
350 |
14 |
787 |
500 |
460 |
428 |
4 |
30 |
16-φ23 |
220 |
|
400 |
16 |
914 |
565 |
515 |
482 |
4 |
32 |
16-φ25 |
275 |
|
450 |
18 |
978 |
615 |
565 |
532 |
4 |
32 |
20-φ25 |
300 |
|
500 |
20 |
978 |
670 |
620 |
585 |
4 |
34 |
20-φ25 |
392 |
|
PN1.6MPa |
|
15 |
1/2 |
108 |
95 |
65 |
45 |
2 |
14 |
4-φ14 |
2.5 |
|
20 |
3/4 |
117 |
105 |
75 |
55 |
2 |
16 |
4-φ14 |
3.5 |
|
25 |
1 |
127 |
115 |
85 |
65 |
2 |
16 |
4-φ14 |
4 |
|
32 |
11/4 |
140 |
135 |
100 |
78 |
2 |
18 |
4-φ18 |
5 |
|
40 |
11/2 |
165 |
145 |
110 |
85 |
3 |
18 |
4-φ18 |
6 |
|
50 |
2 |
203 |
160 |
125 |
100 |
3 |
20 |
8-φ18 |
8 |
|
65 |
21/2 |
216 |
180 |
145 |
120 |
3 |
20 |
4-φ18 |
10 |
|
80 |
3 |
241 |
195 |
160 |
135 |
3 |
22 |
8-φ18 |
13.5 |
|
100 |
4 |
292 |
215 |
180 |
155 |
3 |
24 |
8-φ18 |
28.5 |
|
150 |
6 |
356 |
280 |
240 |
210 |
3 |
28 |
8-φ23 |
48 |
|
200 |
8 |
495 |
335 |
295 |
265 |
3 |
30 |
12-φ23 |
105 |
|
250 |
10 |
622 |
405 |
355 |
320 |
3 |
32 |
12-φ25 |
165 |
|
300 |
12 |
698 |
460 |
410 |
375 |
4 |
34 |
12-φ25 |
195 |
|
350 |
14 |
787 |
520 |
470 |
435 |
4 |
38 |
16-φ25 |
238 |
|
400 |
16 |
914 |
580 |
525 |
485 |
4 |
40 |
16-φ30 |
295 |
|
PN2.5MPa |
|
15 |
1/2 |
108 |
95 |
65 |
45 |
2 |
16 |
4-φ14 |
3 |
|
20 |
3/4 |
117 |
105 |
75 |
55 |
2 |
16 |
4-φ14 |
4 |
|
25 |
1 |
127 |
115 |
85 |
65 |
2 |
16 |
4-φ14 |
5 |
|
32 |
11/4 |
140 |
135 |
100 |
78 |
2 |
18 |
4-φ18 |
8.5 |
|
40 |
11/2 |
165 |
145 |
110 |
85 |
3 |
18 |
4-φ18 |
9.8 |
|
50 |
2 |
203 |
160 |
125 |
100 |
3 |
20 |
4-φ18 |
17 | |