法兰闸阀适用于公称压力PN1.6~16.0MPa,工作温度≤-29℃~550℃的石油、化工、水力、火力电站各种系统的管路上,切断或接通管路介质。适用介质为:水、油品、蒸气、及酸、碱、氨、尿素、含硫天然气等。
执行标准
设计与制造 |
结构长度 |
法兰尺寸 |
压力-温度 |
试验-检验 |
GB12234 |
GB12221 |
GB9113 JB79 |
GB9131 |
GB/T13927 HB/T9092 |
压力试验
公称压力 |
1.6 |
2.5 |
4.0 |
6.4 |
10.0 |
16.0 |
强度试验 |
2.4 |
3.8 |
6.0 |
9.6 |
15.0 |
24.0 |
水密封试验 |
1.8 |
2.8 |
4.4 |
7.0 |
11.0 |
18.0 |
上密封试验 |
1.8 |
2.8 |
4.4 |
7.04 |
11.0 |
18.0 |
气密封试验 |
0.4-0.7 |
主要零件材料及性能
体盖板 |
阀杆 |
密封面 |
垫片 |
填料 |
工作温度℃ |
适用介质 |
WCB |
2Cr13 |
13Cr STL 本体材料 尼龙 |
增强柔性石墨 1Cr13/柔性石墨 OS软钢 0Cr18Ni9Ti 0Cr17Ni12Mo2Ti XD550F(T) PTFE |
柔性石墨 增强柔性石墨 SFB/260 SFP/260 PTFE |
≤425 |
水、蒸汽、油品 |
WC1 |
38GrMoA1 25Cr2MoV |
≤450 |
WC6 |
≤540 |
WC9 |
≤570 |
ZGCr5Mo |
≤540 |
ZG1Cr18Ni9Ti |
1Cr18Ni9Ti |
≤200 |
- |
ZG1Cr18Ni12Mo2Ti |
1C18Ni12Mo2Ti |
≤200 |
- |
国标法兰闸阀规格主要尺寸
1.6MPa |
DN |
L |
d |
D1 |
D2 |
b |
n-Φd |
H |
D0 |
凸面法法 RF Z40H Z40Y Z40W Z40F Z40N
Z41H Z41Y Z41F Z41N
16C 16P 16R 16I |
15 |
130 |
95 |
65 |
45 |
14 |
4-Φ14 |
170 |
120 |
20 |
150 |
105 |
75 |
55 |
14 |
4-Φ14 |
190 |
140 |
25 |
160 |
115 |
85 |
65 |
14 |
4-Φ14 |
205 |
160 |
32 |
180 |
135 |
100 |
78 |
16 |
4-Φ18 |
270 |
180 |
40 |
200 |
145 |
110 |
85 |
16 |
4-Φ18 |
310 |
200 |
50 |
250 |
160 |
125 |
100 |
16 |
4-Φ18 |
358 |
240 |
65 |
265 |
180 |
145 |
120 |
18 |
4-Φ18 |
373 |
240 |
80 |
280 |
195 |
160 |
135 |
20 |
8-Φ18 |
435 |
280 |
100 |
300 |
25 |
180 |
155 |
20 |
8-Φ18 |
500 |
300 |
125 |
325 |
245 |
210 |
185 |
22 |
8-Φ18 |
614 |
320 |
150 |
350 |
280 |
240 |
210 |
24 |
8-Φ23 |
674 |
320 |
200 |
400 |
335 |
295 |
265 |
26 |
12-Φ23 |
818 |
400 |
250 |
450 |
405 |
355 |
320 |
30 |
12-Φ25 |
969 |
450 |
300 |
500 |
460 |
410 |
375 |
30 |
12-Φ25 |
1145 |
500 |
350 |
550 |
520 |
470 |
435 |
34 |
16-Φ25 |
1280 |
500 |
400 |
600 |
580 |
525 |
485 |
36 |
16-Φ30 |
14852 |
560 |
450 |
650 |
640 |
585 |
545 |
40 |
20-Φ30 |
1541 |
600 |
500 |
700 |
705 |
650 |
608 |
44 |
20-Φ34 |
1676 |
640 |
600 |
800 |
840 |
770 |
718 |
48 |
20-Φ41 |
1874 |
720 |
700 |
900 |
910 |
840 |
788 |
50 |
24-Φ41 |
2083 |
800 |
800 |
1000 |
1020 |
950 |
898 |
52 |
24-Φ41 |
2400 |
950 |
900 |
1100 |
1120 |
1050 |
998 |
64 |
28-Φ41 |
2950 |
1000 |
1000 |
1200 |
1255 |
1170 |
1110 |
56 |
28-Φ48 |
3245 |
1000 |
国标法兰闸阀规格主要尺寸
2.5MPa |
DN |
L |
D |
D1 |
D2 |
b |
n-Φd |
H |
DO |
凸面法法 RF Z40H Z40Y Z40W Z40F Z40N
Z41H Z41Y Z41F Z41N
25C 25P 25R 25I |
15 |
130 |
95 |
65 |
45 |
16 |
4-Φ14 |
172 |
120 |
20 |
150 |
105 |
75 |
55 |
16 |
4-Φ14 |
191 |
140 |
25 |
160 |
115 |
85 |
65 |
16 |
4-Φ14 |
205 |
160 |
32 |
180 |
135 |
100 |
78 |
18 |
4-Φ18 |
270 |
180 |
40 |
200 |
145 |
110 |
85 |
18 |
4-Φ18 |
300 |
200 |
50 |
250 |
160 |
125 |
100 |
20 |
4-Φ18 |
357 |
240 |
65 |
265 |
180 |
145 |
120 |
22 |
8-Φ18 |
376 |
240 |
80 |
280 |
195 |
160 |
135 |
22 |
8-Φ18 |
434 |
280 |
100 |
300 |
230 |
190 |
160 |
24 |
8-Φ23 |
502 |
300 |
125 |
325 |
270 |
220 |
188 |
28 |
8-Φ25 |
613 |
320 |
150 |
350 |
300 |
250 |
218 |
30 |
8-Φ25 |
675 |
320 |
200 |
400 |
360 |
310 |
278 |
34 |
12-Φ25 |
819 |
400 |
250 |
450 |
425 |
370 |
332 |
36 |
12-Φ30 |
968 |
450 |
300 |
500 |
485 |
430 |
390 |
40 |
16-Φ30 |
1144 |
500 |
350 |
550 |
550 |
490 |
448 |
44 |
16-Φ34 |
1280 |
500 |
400 |
600 |
610 |
550 |
505 |
48 |
16-Φ34 |
1451 |
560 |
450 |
650 |
660 |
600 |
555 |
50 |
20-Φ34 |
1542 |
600 |
500 |
700 |
730 |
660 |
510 |
52 |
20-Φ41 |
1678 |
640 |
600 |
800 |
840 |
770 |
718 |
56 |
20-Φ41 |
1875 |
720 |
700 |
900 |
955 |
875 |
815 |
60 |
24-Φ28 |
2082 |
800 |
800 |
1000 |
1070 |
990 |
930 |
64 |
24-Φ28 |
2403 |
950 |
900 |
1100 |
1180 |
1090 |
1025 |
66 |
28-Φ54 |
2952 |
1000 |
1000 |
1200 |
1305 |
1210 |
1140 |
68 |
28-Φ58 |
3244 |
1000 |
PN4.0MPa~6.4 MPa规格主要尺寸
4.0MPa |
DN |
L |
D |
D1 |
D2 |
D6 |
b |
n-Φd |
H |
D0 |
凹面法法 MFM Z40H Z40Y Z40W Z40F Z40N
Z41H Z41Y Z41F Z41N
40 40P 40R 40I |
15 |
130 |
95 |
65 |
45 |
40 |
16 |
4-Φ14 |
134 |
120 |
20 |
150 |
105 |
75 |
55 |
51 |
16 |
4-Φ14 |
188 |
140 |
25 |
160 |
115 |
85 |
64 |
58 |
16 |
4-Φ14 |
206 |
140 |
32 |
180 |
135 |
100 |
78 |
66 |
18 |
4-Φ18 |
272 |
180 |
40 |
200 |
145 |
110 |
85 |
76 |
18 |
4-Φ18 |
322 |
180 , |
50 |
250 |
160 |
125 |
100 |
88 |
20 |
4-Φ18 |
370 |
240 |
65 |
280 |
180 |
145 |
120 |
110 |
22 |
8-Φ18 |
394 |
280 |
80 |
310 |
195 |
160 |
135 |
121 |
22 |
8-Φ18 |
455 |
300 |
100 |
350 |
230 |
190 |
160 |
150 |
24 |
8-Φ23 |
550 |
320 |
125 |
400 |
270 |
220 |
188 |
176 |
28 |
8-Φ25 |
636 |
35 |
150 |
450 |
300 |
250 |
218 |
204 |
30 |
8-Φ30 |
706 |
400 |
200 |
550 |
375 |
320 |
282 |
260 |
38 |
12-Φ34 |
859 |
450 |
250 |
650 |
445 |
385 |
345 |
313 |
42 |
12-Φ34 |
1016 |
560 |
300 |
750 |
510 |
450 |
408 |
364 |
46 |
16-Φ34 |
1200 |
640 |
350 |
850 |
570 |
510 |
465 |
422 |
52 |
16-Φ41 |
1340 |
640 |
400 |
950 |
655 |
585 |
535 |
474 |
58 |
16-Φ41 |
1495 |
720 |
450 |
1050 |
680 |
610 |
560 |
524 |
60 |
20-Φ48 |
1581 |
800 |
500 |
1150 |
755 |
670 |
612 |
576 |
62 |
20-Φ54 |
1790 |
950 |
600 |
1350 |
890 |
695 |
730 |
678 |
62 |
20-Φ14 |
2035 |
950 |
6.4MPa |
15 |
1700 |
105 |
75 |
55 |
40 |
18 |
4-Φ18 |
1425 |
160 |
凹面法法 MFM Z40H Z40Y Z40W Z40F Z40N
Z41H Z41Y Z41F Z41N
64 64P 64R 64I |
20 |
190 |
125 |
90 |
68 |
51 |
20 |
4-Φ18 |
142 |
160 |
25 |
210 |
135 |
100 |
78 |
58 |
22 |
4-Φ23 |
214 |
200 |
32 |
230 |
150 |
110 |
82 |
66 |
24 |
4-Φ23 |
269 |
200 |
40 |
240 |
165 |
125 |
95 |
76 |
24 |
4-Φ23 |
343 |
240 |
50 |
250 |
175 |
135 |
105 |
88 |
26 |
4-Φ23 |
370 |
240 |
65 |
280 |
200 |
160 |
130 |
110 |
28 |
8-Φ23 |
396 |
280 |
80 |
310 |
210 |
170 |
140 |
121 |
30 |
8-Φ23 |
458 |
300 |
100 |
350 |
250 |
200 |
168 |
150 |
32 |
8-Φ25 |
553 |
300 |
125 |
400 |
295 |
240 |
202 |
176 |
36 |
8-Φ30 |
638 |
350 |
150 |
450 |
340 |
280 |
240 |
204 |
38 |
8-Φ34 |
718 |
400 |
200 |
550 |
405 |
345 |
300 |
260 |
44 |
12-Φ34 |
873 |
450 |
250 |
650 |
470 |
400 |
352 |
313 |
48 |
12-Φ41 |
1050 |
560 |
300 |
750 |
530 |
460 |
412 |
364 |
54 |
16-Φ41 |
1203 |
640 |
350 |
850 |
595 |
525 |
475 |
422 |
60 |
16-Φ41 |
1394 |
720 |
400 |
950 |
670 |
585 |
525 |
474 |
66 |
16-Φ48 |
1645 |
800 |
500 |
1150 |
800 |
705 |
640 |
576 |
70 |
20-Φ54 |
2285 |
950 |
600 |
1350 |
930 |
820 |
750 |
678 |
70 |
20-Φ58 |
2610 |
950 |
PN10.0MPa~16.0MPa(规格主要尺寸)
10.0MPa |
DN |
L |
D |
D1 |
D6 |
b |
b-Φd |
H |
D0 |
凹面法法 MFM Z40H Z40Y Z40W
Z41H Z41Y Z41W
100 100P 100R 100I |
15 |
170 |
105 |
75 |
40 |
20 |
4-Φ14 |
175 |
160 |
20 |
190 |
125 |
90 |
51 |
22 |
4-Φ18 |
180 |
160 |
25 |
210 |
135 |
100 |
58 |
24 |
4-Φ18 |
310 |
180 |
32 |
230 |
150 |
110 |
66 |
24 |
4-Φ23 |
320 |
200 |
40 |
240 |
165 |
125 |
76 |
26 |
4-Φ23 |
360 |
200 |
50 |
250 |
195 |
145 |
88 |
28 |
4-Φ25 |
490 |
240 |
65 |
280 |
220 |
170 |
110 |
32 |
8-Φ25 |
540 |
240 |
80 |
310 |
230 |
180 |
121 |
34 |
8-Φ25 |
573 |
280 |
100 |
350 |
265 |
210 |
150 |
38 |
8-Φ30 |
575 |
320 |
125 |
400 |
310 |
250 |
176 |
42 |
8-Φ34 |
744 |
360 |
150 |
450 |
350 |
290 |
204 |
46 |
12-Φ34 |
800 |
400 |
200 |
500 |
430 |
360 |
260 |
54 |
12-Φ41 |
800 |
500 |
250 |
650 |
500 |
430 |
313 |
60 |
12-Φ41 |
1050 |
640 |
300 |
750 |
585 |
500 |
364 |
70 |
16-Φ48 |
1208 |
720 |
350 |
850 |
655 |
560 |
422 |
76 |
16-Φ54 |
1410 |
720 |
400 |
950 |
715 |
620 |
474 |
80 |
16-Φ54 |
1655 |
800 |
16.0MPa |
15 |
170 |
110 |
75 |
40 |
24 |
4-Φ18 |
230 |
160 |
凹面法法 MFM Z40H Z40Y Z40W
Z41H Z41Y Z41W
160 160P 160R 160I |
20 |
190 |
130 |
90 |
51 |
26 |
4-Φ23 |
260 |
180 |
25 |
210 |
140 |
100 |
58 |
28 |
4-Φ23 |
280 |
200 |
32 |
2310 |
165 |
115 |
66 |
30 |
4-Φ25 |
312 |
200 |
40 |
240 |
175 |
125 |
76 |
32 |
4-Φ27 |
350 |
240 |
50 |
300 |
210 |
165 |
88 |
36 |
8-Φ25 |
412 |
280 |
65 |
340 |
245 |
190 |
110 |
44 |
8-Φ30 |
560 |
320 |
80 |
390 |
260 |
205 |
121 |
46 |
8-Φ30 |
585 |
3.50 |
100 |
450 |
300 |
240 |
150 |
48 |
8-Φ34 |
630 |
400 |
125 |
525 |
355 |
285 |
176 |
60 |
8-Φ41 |
723 |
500 |
150 |
600 |
390 |
318 |
204 |
66 |
12-Φ41 |
820 |
560 |
200 |
750 |
480 |
400 |
260 |
78 |
12-Φ8 |
990 |
720 |
250 |
850 |
580 |
,
485 |
313 |
88 |
12-Φ54 |
1104 |
800 |
300 |
950 |
665 |
570 |
364 |
100 |
16-Φ54 |
1314 |
800 | |