
國標固定不銹鋼法蘭球閥

國標固定不銹鋼法蘭球閥執行標準
設計與制造按照 |
結構長度按照 |
法蘭尺寸按照 |
試驗和檢驗按照 |
GB12237-89 |
GB/12221-89 |
JB/T82.1-94 |
GB/T13927-92 |
國標固定不銹鋼法蘭球閥壓力試驗
公稱壓力(MPa) |
試驗壓力(MPa) |
強度 |
密封(水) |
密封(氣) |
上密封 |
1.6 |
1.6 |
1.6 |
0.6 |
1.6 |
2.5 |
2.5 |
2.5 |
2.5 |
4.0 |
4.0 |
4.0 |
4.0 |
6.4 |
6.4 |
6.4 |
6.4 |
10.0 |
10.0 |
10.0 |
10.0 |
國標固定不銹鋼法蘭球閥材料列表
外形尺寸

續表
公稱通徑
DN(mm) |
結構長度 |
連接尺寸 (mm) |
外形尺寸 (mm) |
L |
D |
D1 |
D2 |
b |
f |
Z-φd |
H1 |
H2 |
H3 |
H4 |
全通徑 |
PN2.5(MPa) |
15 |
130 |
95 |
65 |
46 |
14 |
2 |
4-14 |
62 |
- |
200 |
- |
20 |
140 |
105 |
75 |
56 |
16 |
2 |
4-14 |
68 |
- |
204 |
- |
25 |
150 |
115 |
85 |
65 |
16 |
2 |
4-14 |
75 |
- |
215 |
360 |
32 |
165 |
135 |
100 |
76 |
18 |
2 |
4-18 |
85 |
- |
240 |
390 |
40 |
180 |
145 |
110 |
84 |
18 |
3 |
4-18 |
95 |
|
264 |
395 |
50 |
200 |
160 |
125 |
99 |
20 |
3 |
4-18 |
110 |
|
274 |
470 |
65 |
220 |
180 |
145 |
118 |
22 |
3 |
8-18 |
130 |
|
379 |
490 |
80 |
250 |
195 |
160 |
132 |
24 |
3 |
8-18 |
155 |
- |
389 |
580 |
100 |
280 |
230 |
190 |
156 |
24 |
3 |
8-23 |
180 |
320 |
416 |
595 |
125 |
320 |
270 |
220 |
184 |
26 |
3 |
8-25 |
250 |
380 |
542 |
650 |
150 |
360 |
300 |
250 |
211 |
28 |
3 |
8-25 |
275 |
400 |
572 |
760 |
200 |
400 |
360 |
310 |
274 |
30 |
3 |
12-25 |
330 |
450 |
730 |
820 |
PN4.0(MPa) |
15 |
130 |
95 |
65 |
46 |
14 |
2 |
4-14 |
62 |
- |
200 |
- |
20 |
140 |
105 |
75 |
56 |
16 |
2 |
4-14 |
68 |
|
204 |
- |
25 |
150 |
115 |
85 |
65 |
16 |
2 |
4-14 |
75 |
- |
215 |
360 |
32 |
180 |
135 |
100 |
76 |
18 |
2 |
4-18 |
85 |
— |
240 |
390 |
40 |
200 |
145 |
110 |
84 |
18 |
3 |
4-18 |
95 |
|
264 |
395 |
50 |
220 |
160 |
125 |
99 |
20 |
3 |
4-18 |
110 |
_ |
360 |
472 |
65 |
250 |
180 |
145 |
118 |
22 |
3 |
8-18 |
130 |
- |
379 |
530 |
80 |
280 |
195 |
160 |
132 |
24 |
3 |
8-18 |
155 |
- |
452 |
580 |
100 |
320 |
230 |
190 |
156 |
24 |
3 |
8-23 |
180 |
320 |
479 |
630 |
125 |
400 |
270 |
220 |
184 |
26 |
3 |
8-25 |
250 |
380 |
646 |
710 |
150 |
400 |
300 |
250 |
211 |
28 |
3 |
8-25 |
275 |
400 |
666 |
760 |
200 |
550 |
375 |
320 |
284 |
34 |
3 |
12-30 |
330 |
450 |
815 |
825 |
PN6.4(MPa) |
15 |
145 |
105 |
75 |
46 |
20 |
2 |
4-14 |
70 |
|
200 |
- |
20 |
165 |
125 |
90 |
56 |
20 |
2 |
4-18 |
75 |
|
204 |
- |
25 |
180 |
135 |
100 |
65 |
24 |
2 |
4-18 |
85 |
|
215 |
360 |
32 |
200 |
150 |
110 |
76 |
24 |
3 |
4-22/23 |
100 |
|
240 |
386 |
40 |
215 |
165 |
125 |
84 |
26 |
3 |
4-22/23 |
115 |
|
264 |
394 |
50 |
250 |
175 |
135 |
99 |
26 |
3 |
4-22/23 |
130 |
|
360 |
472 |
65 |
280 |
200 |
160 |
118 |
26 |
3 |
8-22/23 |
155 |
- |
379 |
530 |
80 |
320 |
210 |
170 |
132 |
28 |
3 |
8-22/23 |
180 |
320 |
452 |
580 |
100 |
360 |
250 |
200 |
156 |
30 |
3 |
8-26/25 |
210 |
340 |
480 |
630 |
125 |
420 |
295 |
240 |
184 |
34 |
3 |
8-30 |
250 |
460 |
646 |
710 |
150 |
420 |
340 |
280 |
211 |
36 |
3 |
8-34 |
275 |
480 |
666 |
760 |
PN10.0(MPa) |
15 |
145 |
105 |
75 |
46 |
20 |
2 |
4-14 |
70 |
- |
200 |
- |
20 |
165 |
125 |
90 |
56 |
20 |
2 |
4-18 |
75 |
- |
205 |
- |
25 |
180 |
135 |
100 |
65 |
24 |
2 |
4-18 |
85 |
- |
215 |
360 |
32 |
200 |
150 |
110 |
76 |
24 |
3 |
4-23 |
100 |
- |
240 |
386 |
40 |
215 |
165 |
125 |
84 |
26 |
3 |
4-23 |
115 |
- |
265 |
394 |
50 |
250 |
195 |
145 |
99 |
28 |
3 |
4-26/25 |
130 |
- |
360 |
472 |
65 |
280 |
220 |
170 |
118 |
30 |
3 |
4-26/25 |
155 |
- |
380 |
530 |
80 |
320 |
230 |
180 |
132 |
32 |
3 |
8-26/25 |
180 |
320 |
452 |
580 |
100 |
360 |
265 |
210 |
156 |
36 |
3 |
8-30 |
210 |
350 |
480 |
630 |
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