主要连接尺寸
| 
 压力级 
 | 
NPS | 
L | 
D | 
D1 | 
D2 | 
D3 | 
D4 | 
f | 
b | 
n-φd | 
H | 
W | 
| Class 150 | 
1/2 | 
108 | 
10 | 
13 | 
35 | 
605 | 
89 | 
16 | 
115 | 
4-15 | 
80 | 
140 | 
| 3/4 | 
117 | 
15 | 
19 | 
43 | 
70 | 
98 | 
16 | 
115 | 
4-15 | 
85 | 
140 | 
| 1 | 
127 | 
20 | 
25 | 
51 | 
795 | 
108 | 
16 | 
12 | 
4-15 | 
90 | 
140 | 
| 11/4 | 
140 | 
25 | 
32 | 
64 | 
89 | 
117 | 
16 | 
13 | 
4-15 | 
99 | 
150 | 
| 11/2 | 
165 | 
32 | 
38 | 
73 | 
985 | 
127 | 
16 | 
15 | 
4-15 | 
105 | 
180 | 
| 2 | 
178 | 
38 | 
51 | 
92 | 
1205 | 
152 | 
16 | 
16 | 
4-19 | 
126 | 
200 | 
| 21/2 | 
190 | 
51 | 
64 | 
105 | 
1395 | 
178 | 
16 | 
18 | 
4-19 | 
140 | 
250 | 
| 3 | 
203 | 
64 | 
76 | 
127 | 
1525 | 
190 | 
16 | 
19 | 
4-19 | 
165 | 
300 | 
| 4 | 
229 | 
76 | 
102 | 
157 | 
1905 | 
229 | 
16 | 
24 | 
8-19 | 
178 | 
350 | 
| 6 | 
394 | 
104 | 
152 | 
216 | 
2415 | 
279 | 
16 | 
26 | 
8-22 | 
280 | 
800 | 
| 8 | 
457 | 
150 | 
203 | 
270 | 
2985 | 
343 | 
16 | 
29 | 
8-22 | 
310 | 
800 | 
| Class 300 | 
1/2 | 
140 | 
10 | 
13 | 
35 | 
665 | 
95 | 
16 | 
15 | 
4-15 | 
80 | 
140 | 
| 3/4 | 
152 | 
15 | 
19 | 
43 | 
825 | 
117 | 
16 | 
16 | 
4-19 | 
85 | 
140 | 
| 1 | 
165 | 
20 | 
25 | 
51 | 
89 | 
124 | 
16 | 
18 | 
4-19 | 
90 | 
140 | 
| 11/4 | 
178 | 
25 | 
32 | 
64 | 
985 | 
133 | 
16 | 
19 | 
4-19 | 
99 | 
150 | 
| 11/2 | 
190 | 
32 | 
38 | 
73 | 
1145 | 
156 | 
16 | 
21 | 
4-22 | 
105 | 
180 | 
| 2 | 
216 | 
38 | 
51 | 
92 | 
127 | 
165 | 
16 | 
23 | 
8-19 | 
126 | 
200 | 
| 21/2 | 
241 | 
51 | 
64 | 
105 | 
149 | 
190 | 
16 | 
26 | 
8-22 | 
140 | 
250 | 
| 3 | 
283 | 
64 | 
76 | 
127 | 
1685 | 
210 | 
16 | 
29 | 
8-22 | 
165 | 
300 | 
| 4 | 
305 | 
76 | 
102 | 
157 | 
200 | 
254 | 
16 | 
32 | 
8-22 | 
178 | 
350 | 
| 6 | 
403 | 
104 | 
152 | 
216 | 
270 | 
318 | 
16 | 
37 | 
12-22 | 
280 | 
800 | 
| 8 | 
502 | 
150 | 
203 | 
270 | 
330 | 
381 | 
16 | 
42 | 
12-25 | 
310 | 
800 | 
| Class 600 | 
1/2 | 
165 | 
10 | 
13 | 
35 | 
665 | 
95 | 
64 | 
15 | 
4-15 | 
75 | 
140 | 
| 3/4 | 
190 | 
15 | 
19 | 
43 | 
825 | 
118 | 
64 | 
16 | 
4-19 | 
79 | 
140 | 
| 1 | 
216 | 
20 | 
25 | 
51 | 
89 | 
124 | 
64 | 
18 | 
4-19 | 
83 | 
140 | 
| 11/4 | 
229 | 
25 | 
32 | 
64 | 
985 | 
133 | 
64 | 
21 | 
4-19 | 
114 | 
150 | 
| 11/2 | 
241 | 
32 | 
38 | 
73 | 
1145 | 
156 | 
64 | 
23 | 
4-22 | 
120 | 
200 | 
| 2 | 
292 | 
38 | 
51 | 
92 | 
127 | 
165 | 
64 | 
26 | 
8-19 | 
125 | 
250 | 
| 21/2 | 
330 | 
51 | 
64 | 
100 | 
149 | 
190 | 
64 | 
29 | 
8-22 | 
156 | 
300 | 
| 3 | 
356 | 
64 | 
76 | 
127 | 
168 | 
210 | 
64 | 
32 | 
8-22 | 
172 | 
350 | 
| 4 | 
432 | 
76 | 
102 | 
157 | 
216 | 
273 | 
64 | 
38 | 
8-25 | 
220 | 
500 | 
| 6 | 
559 | 
104 | 
152 | 
216 | 
292 | 
356 | 
64 | 
48 | 
12-29 | 
290 | 
1000 | 
| 8 | 
660 | 
150 | 
200 | 
270 | 
349 | 
419 | 
64 | 
56 | 
12-32 | 
340 | 
1200 | 
注:1、缩径球阀的连接法兰与全通径球阀相同;
2、部分规格的缩径球阀,其结构长度有长系列和短系列,本表中按长系列。