球阀
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两分式和三段式固定球阀又称测装分体式球阀,将阀体沿与阀门通道轴线相垂直的截面分为不对称的左右两半,它在管道上主要用于切断、分配和改变介质流动方向。它的枢轴结构保证了准确的球体位置。标准阀座采用弹簧结构,将阀盖推向球体,保证了良好的低压密封性能。该球阀阀前、阀后阀座都能密封, 即所谓双向密封特性,利用自带的排放阀,阀体中腔可向外排放。枢轴采用防吹出保护结构,低摩擦系数的轴承等。具有性能优异,可靠性高,用途广泛,价格合理等优点。适用于:化工、石油、天然气、冶金、等行业及含硫化氢介质、杂质多、腐蚀严重的天然气长输管线。
·主要性能规范
试验压力(Mpa)
|
公称压力(Mpa)
|
压力级(Class)
|
JIS(MPa)
|
|||||||||
1.6
|
2.5
|
4.0
|
6.4
|
10.0
|
150
|
300
|
400
|
600
|
900
|
10K
|
20K
|
|
强度试验 |
2.4
|
3.8
|
6.0
|
9.6
|
15.0
|
3.1
|
7.8
|
10.2
|
15.3
|
23.1
|
2.4
|
3.8
|
密封试验
|
1.8
|
2.8
|
4.4
|
7.0
|
11.0
|
2.2
|
5.6
|
7.5
|
11.2
|
16.8
|
1.5
|
2.8
|
气密试验
|
0.5-0.7
|
|||||||||||
工作温度
|
PTEE≤150℃ PPL E≤300℃ 碳纤≤350℃
|
|||||||||||
适用介质
|
C:水、油、蒸气 P:硝酸类(温度≤200℃ ) R:醋酸类(温度≤200℃ )
|
·主要零件材质
零件名称
|
材料
|
|||
材料代号
|
C
|
L
|
P
|
R
|
阀体 阀盖
|
WCB
|
ZGOOCr17Ni14Mo2(CF3M)
|
ZG1Cr18Ni9Ti(CF8)
|
ZG1Cr18Ni12Mo2Ti(CF8M)
|
球体
|
2Cr13
|
ZGOOCr17Ni14Mo2(CF3M)
|
ZG1Cr18Ni9Ti(CF8)
|
ZG1Cr18Ni12Mo2Ti(CF8M)
|
阀杆
|
2Cr13
|
316L
|
1Cr18Ni9Ti(304)
|
1Cr18Ni12Mo2Ti(316)
|
阀座密封面
|
PTFE、碳素纤维+PTFE、对位聚苯
|
|||
螺柱 螺母
|
35 35CrMoA(B7) 45(2H)
|
2Cr13(420) 1Cr18Ni9 1Cr17Ni2(431)
|
||
填料
|
V型PTFE、柔性石墨
|
·主要外形尺寸
公称压力(MPa)
|
公称通径
|
L
|
D
|
D1 |
D2
|
D6
|
b
|
f/f1
|
z-φd
|
H(mm)
|
重量(kg)
|
||||||||||
mm
|
mm
|
Q47
|
Q347
|
Q647
|
Q947
|
Q47
|
Q347
|
Q647
|
Q947
|
Q67
|
Q367
|
Q667
|
Q967
|
||||||||
1.6
|
100
|
229
|
215
|
180
|
155
|
-
|
20
|
|
8-18
|
178
|
|
416
|
470
|
45
|
|
78
|
85
|
40
|
|
73
|
80
|
125
|
356
|
245
|
210
|
185
|
-
|
22
|
8-18
|
152
|
|
542
|
520
|
58
|
|
107
|
120
|
50
|
|
100
|
110
|
||
150
|
394
|
280
|
240
|
210
|
-
|
24
|
8-23
|
|
205
|
572
|
538
|
|
117
|
145
|
180
|
|
100
|
130
|
160
|
||
200
|
457
|
335
|
295
|
265
|
-
|
26
|
12-23
|
|
398
|
736
|
580
|
|
185
|
220
|
245
|
|
155
|
200
|
220
|
||
250
|
533
|
405
|
355
|
320
|
-
|
30
|
12-25
|
|
495
|
890
|
637
|
|
245
|
280
|
300
|
|
215
|
255
|
280
|
||
300
|
610
|
460
|
410
|
375
|
-
|
30
|
12-25
|
|
580
|
910
|
683
|
|
395
|
450
|
445
|
|
345
|
415
|
400
|
||
350
|
686
|
520
|
470
|
435
|
-
|
34
|
|
16-25
|
|
625
|
1020
|
796
|
|
516
|
570
|
585
|
|
500
|
520
|
540
|
|
400
|
762
|
580
|
525
|
485
|
-
|
36
|
16-30
|
|
720
|
1080
|
842
|
|
756
|
920
|
860
|
|
700
|
920
|
805
|
||
450
|
864
|
640
|
585
|
545
|
-
|
40
|
20-30
|
|
770
|
1120
|
874
|
|
958
|
1140
|
1075
|
|
900
|
1140
|
1010
|
||
500
|
914
|
705
|
650
|
608
|
-
|
44
|
20-34
|
|
840
|
1150
|
904
|
|
1200
|
1360
|
1310
|
|
1100
|
1360
|
1240
|
||
600
|
1067
|
840
|
770
|
718
|
-
|
48
|
20-41
|
|
1050
|
1210
|
1120
|
|
1500
|
1620
|
1450
|
|
1400
|
1620
|
1360
|
||
700
|
1245
|
910
|
840
|
788
|
-
|
50
|
|
24-41
|
|
1100
|
1300
|
1218
|
|
1800
|
1930
|
1810
|
|
1680
|
1930
|
1710
|
|
800
|
1397
|
-
|
-
|
-
|
-
|
-
|
-
|
|
1150
|
1460
|
1328
|
|
2100
|
2250
|
2010
|
|
1980
|
2250
|
1910
|
2.5
|
100
|
305
|
230
|
190
|
160
|
-
|
24
|
|
8-23
|
178
|
|
416
|
470
|
50
|
|
85
|
100
|
50
|
|
80
|
90
|
125
|
381
|
270
|
220
|
188
|
-
|
28
|
8-25
|
252
|
|
542
|
520
|
65
|
|
115
|
135
|
65
|
|
110
|
130
|
||
150
|
403
|
300
|
250
|
218
|
-
|
30
|
8-25
|
|
205
|
572
|
538
|
|
125
|
165
|
195
|
|
110
|
150
|
180
|
||
200
|
502
|
360
|
310
|
278
|
-
|
34
|
12-25
|
|
398
|
736
|
580
|
|
195
|
240
|
265
|
|
175
|
220
|
245
|
||
250
|
568
|
425
|
370
|
332
|
-
|
36
|
|
12-30
|
|
495
|
890
|
637
|
|
265
|
300
|
320
|
|
240
|
275
|
295
|
|
300
|
648
|
485
|
430
|
390
|
-
|
40
|
16-30
|
|
580
|
910
|
684
|
|
415
|
475
|
460
|
|
385
|
445
|
430
|
||
350
|
762
|
550
|
490
|
448
|
-
|
44
|
16-34
|
|
625
|
1020
|
796
|
|
535
|
590
|
595
|
|
490
|
545
|
550
|
||
400
|
838
|
610
|
550
|
505
|
-
|
48
|
19-34
|
|
720
|
1080
|
842
|
|
885
|
945
|
880
|
|
830
|
890
|
825
|
||
450
|
914
|
660
|
600
|
555
|
-
|
50
|
20-34
|
|
770
|
1120
|
874
|
|
985
|
1160
|
1095
|
|
920
|
1100
|
1035
|
||
500
|
991
|
730
|
660
|
610
|
-
|
52
|
20-41
|
|
840
|
1150
|
904
|
|
1230
|
1380
|
1340
|
|
1160
|
1310
|
1270
|
||
600
|
1143
|
840
|
770
|
718
|
-
|
56
|
|
20-41
|
|
1050
|
1210
|
1120
|
|
1520
|
1640
|
1470
|
|
1430
|
1950
|
1380
|
|
700
|
1245
|
955
|
875
|
815
|
-
|
60
|
24-48
|
|
1100
|
1300
|
1218
|
|
1825
|
1950
|
1830
|
|
1725
|
1850
|
1730
|
||
800
|
1397
|
-
|
-
|
-
|
-
|
-
|
|
-
|
|
1150
|
1460
|
1328
|
|
2130
|
2270
|
2030
|
|
2010
|
2160
|
1920
|
4.0
|
100
|
305
|
230
|
190
|
160
|
150
|
24
|
|
8-23
|
178
|
|
416
|
470
|
55
|
|
90
|
110
|
80
|
|
85
|
105
|
125
|
381
|
270
|
220
|
188
|
176
|
28
|
8-25
|
252
|
|
542
|
520
|
80
|
|
120
|
145
|
75
|
|
115
|
140
|
||
150
|
403
|
300
|
250
|
218
|
204
|
30
|
8-25
|
|
205
|
572
|
538
|
|
140
|
170
|
205
|
|
125
|
155
|
190
|
||
200
|
502
|
375
|
320
|
282
|
260
|
38
|
12-30
|
|
398
|
736
|
580
|
|
220
|
250
|
275
|
|
200
|
230
|
255
|
||
250
|
568
|
445
|
385
|
345
|
313
|
42
|
12-34
|
|
495
|
890
|
637
|
|
365
|
310
|
335
|
|
340
|
295
|
310
|
||
300
|
648
|
510
|
450
|
408
|
364
|
46
|
|
16-34
|
|
580
|
910
|
684
|
|
530
|
485
|
475
|
|
500
|
455
|
445
|
|
350
|
762
|
570
|
510
|
465
|
422
|
52
|
16-34
|
|
625
|
1020
|
796
|
|
740
|
600
|
600
|
|
695
|
555
|
545
|
||
400
|
838
|
655
|
585
|
535
|
474
|
58
|
|
16-41
|
|
720
|
1080
|
842
|
|
900
|
955
|
895
|
|
845
|
900
|
840
|
|
450
|
914
|
680
|
610
|
560
|
524
|
60
|
20-41
|
|
770
|
1120
|
874
|
|
1170
|
1250
|
1105
|
|
1105
|
1195
|
1045
|
||
500
|
991
|
755
|
670
|
612
|
576
|
62
|
20-48
|
|
840
|
1150
|
904
|
|
1340
|
1550
|
1360
|
|
1270
|
1480
|
1290
|
||
600
|
1143
|
890
|
795
|
730
|
678
|
62
|
|
20-54
|
|
1050
|
1210
|
1120
|
|
1580
|
1740
|
1495
|
|
1480
|
1680
|
1405
|
|
700
|
1245
|
995
|
900
|
835
|
768
|
68
|
24-54
|
|
110
|
1300
|
1218
|
|
1885
|
2000
|
1850
|
|
1785
|
1900
|
1750
|
||
800
|
1397
|
-
|
-
|
-
|
-
|
-
|
|
-
|
|
1150
|
1460
|
1328
|
|
2190
|
2310
|
2050
|
|
2070
|
|
1930
|
·主要外形尺寸
公称
压力(MPa) |
公称通径
|
L
|
D
|
D1 |
D2
|
D6
|
b
|
f/f1
|
z-φd
|
H(mm)
|
重量(kg)
|
||||||||||
mm
|
mm
|
Q47
|
Q347
|
Q647
|
Q947
|
Q47
|
Q347
|
Q647
|
Q947
|
Q67
|
Q367
|
Q667
|
Q967
|
||||||||
6.4
|
50
|
216
|
250
|
200
|
168
|
150
|
32
|
3/4
|
4-23
|
105
|
|
360
|
380
|
16
|
|
33
|
50
|
|
|
|
|
65
|
241
|
295
|
240
|
202
|
176
|
36
|
8-23
|
140
|
|
380
|
425
|
28
|
|
45
|
68
|
|
|
|
|
||
80
|
283
|
340
|
280
|
240
|
204
|
38
|
8-23
|
150
|
|
450
|
435
|
36
|
|
55
|
80
|
|
|
|
|
||
100
|
305
|
405
|
345
|
30
|
260
|
44
|
3/4.5
|
8-25
|
175
|
|
480
|
455
|
66
|
|
81
|
110
|
|
|
|
|
|
125
|
381
|
470
|
400
|
352
|
313
|
48
|
8-30
|
250
|
|
645
|
525
|
98
|
110
|
120
|
140
|
|
|
|
|
||
150
|
403
|
530
|
460
|
412
|
364
|
54
|
8-34
|
270
|
365
|
665
|
555
|
120
|
150
|
175
|
170
|
120
|
150
|
175
|
170
|
||
200
|
502
|
595
|
525
|
475
|
422
|
60
|
12-34
|
|
395
|
735
|
595
|
|
280
|
240
|
220
|
|
280
|
240
|
220
|
||
250
|
568
|
670
|
585
|
525
|
474
|
66
|
4/4.5
|
12-41
|
|
445
|
7920
|
705
|
|
320
|
280
|
290
|
|
320
|
280
|
290
|
|
300
|
648
|
800
|
705
|
640
|
576
|
70
|
16-41
|
|
515
|
870
|
730
|
|
480
|
540
|
500
|
|
480
|
540
|
500
|
||
350
|
762
|
930
|
820
|
750
|
678
|
76
|
16-41
|
|
550
|
1020
|
785
|
|
640
|
760
|
710
|
|
640
|
760
|
710
|
||
400
|
838
|
-
|
-
|
-
|
-
|
-
|
16-48
|
|
615
|
1080
|
765
|
|
870
|
980
|
1030
|
|
870
|
980
|
1030
|
10.0
|
50
|
292
|
195
|
145
|
112
|
88
|
28
|
3/4
|
4-25
|
160
|
|
360
|
380
|
25
|
|
60
|
65
|
|
|
|
|
65
|
330
|
220
|
170
|
138
|
110
|
32
|
8-25
|
180
|
|
380
|
425
|
35
|
|
70
|
95
|
|
|
|
|
||
80
|
356
|
230
|
180
|
148
|
121
|
34
|
8-25
|
200
|
|
450
|
435
|
50
|
|
125
|
120
|
|
|
|
|
||
100
|
432
|
265
|
210
|
172
|
150
|
38
|
3/4.5
|
8-30
|
240
|
|
480
|
435
|
76
|
|
175
|
170
|
|
|
|
|
|
125
|
508
|
310
|
250
|
210
|
176
|
42
|
8-34
|
280
|
320
|
645
|
525
|
98
|
130
|
230
|
220
|
|
|
|
|
||
150
|
559
|
350
|
290
|
250
|
204
|
46
|
12-34
|
|
365
|
665
|
555
|
|
150
|
260
|
250
|
|
150
|
260
|
250
|
||
200
|
660
|
430
|
360
|
312
|
260
|
54
|
12-41
|
|
395
|
735
|
595
|
|
350
|
4580
|
630
|
|
350
|
450
|
630
|
||
250
|
787
|
500
|
430
|
382
|
313
|
60
|
4/4.5
|
12-41
|
|
445
|
790
|
705
|
|
580
|
590
|
640
|
|
580
|
590
|
640
|
|
300
|
838
|
585
|
500
|
442
|
364
|
70
|
16-48
|
|
515
|
870
|
730
|
|
790
|
920
|
970
|
|
790
|
920
|
970
|
||
350
|
889
|
655
|
560
|
498
|
422
|
76
|
16-54
|
|
550
|
1020
|
785
|
|
980
|
1100
|
1130
|
|
980
|
1100
|
1130
|
||
400
|
991
|
715
|
620
|
558
|
474
|
82
|
16-54
|
|
615
|
1080
|
865
|
|
1200
|
1540
|
1520
|
|
1200
|
1540
|
1520
|
16.0
|
50
|
368
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
160
|
|
380
|
400
|
37
|
|
80
|
85
|
|
|
|
|
|
80
|
85
|
|
|
|
|
65
|
419
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
180
|
|
395
|
440
|
52
|
|
120
|
125
|
|
|
|
|
|
120
|
125
|
|
|
|
|
|
80
|
381
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
240
|
|
480
|
465
|
78
|
|
155
|
160
|
|
|
|
|
|
155
|
160
|
|
|
|
|
|
100
|
457
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
260
|
290
|
535
|
510
|
110
|
160
|
195
|
210
|
|
|
|
|
160
|
195
|
210
|
|
|
|
|
|
125
|
559
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
340
|
670
|
550
|
|
190
|
250
|
270
|
|
|
|
|
190
|
250
|
270
|
|
|
|
|
|
150
|
610
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
385
|
705
|
580
|
|
220
|
480
|
350
|
|
220
|
480
|
350
|
220
|
480
|
350
|
|
220
|
480
|
350
|
|
200
|
737
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
430
|
750
|
610
|
|
450
|
620
|
580
|
|
450
|
620
|
580
|
450
|
620
|
580
|
|
450
|
620
|
580
|
|
250
|
838
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
475
|
820
|
735
|
|
760
|
960
|
870
|
|
760
|
960
|
870
|
760
|
960
|
870
|
|
760
|
960
|
870
|
|
300
|
965
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
530
|
900
|
760
|
|
1050
|
138
|
1350
|
|
1050
|
138
|
1350
|
1050
|
138
|
1350
|
|
1050
|
138
|
1350
|