优点:
1、流体阻力小 , 密封面受介质的忡刷和侵蚀小。 2、开闭较省力。 3、介质流向不受限制 , 不扰流、不降低压力。 4、形体简单 , 结构长度短,制造工艺性好,适用范围广。
缺点:
1、密封面之间易引起冲蚀和擦伤,维修比较困难。 2、外形尺寸较大,开启需要一定的空间,开闭时间长。 3、结构较复杂。 闸阔的种类 ,按密封面配置可分为楔式闸板式闸阀和平行闸板式闸阀 , 楔式闸板式闸阀又可 分为 :单闸极式、双闸板式和弹性闸板式;平行闸板式闸阀可分为单闸板式和双闸板式。按阀杆的螺纹位置划分,可分为明杆闸阀和暗杆闸阀两种。
设计与制造 Design and Manufacture 结构长度 Face to face/ End to end 法兰尺寸 FlangeDimension 对焊连接尺寸 Butt welding dimension 压力-温度Pressure Temperature Lating 试验-检验Inspection and Test API 600 ANSI B16.10 ANSI B16.5 ANSI B16.25 ANSI B16.34 API 598 API 6D API 6D ANSI B16.5 ANSI B16.25 ANSI B16.34 API 6D
设计与制造 Design and Manufacture | 结构长度 Face to face/ End to end | 法兰尺寸 FlangeDimension | 对焊连接尺寸 Butt welding dimension | 压力-温度Pressure Temperature Lating | 试验-检验Inspection and Test |
API 600 | ANSI B16.10 | ANSI B16.5 | ANSI B16.25 | ANSI B16.34 | API 598 |
API 6D | API 6D | ANSI B16.5 | ANSI B16.25 | ANSI B16.34 | API 6D |
设计与制造 Design and Manufacture | 结构长度 Face to face/ End to end | 法兰尺寸 FlangeDimension | 对焊连接尺寸 Butt welding dimension | 压力-温度Pressure Temperature Lating | 试验-检验Inspection and Test |
API 600 | ANSI B16.10 | ANSI B16.5 | ANSI B16.25 | ANSI B16.34 | API 598 |
API 6D | API 6D | ANSI B16.5 | ANSI B16.25 | ANSI B16.34 | API 6D |
设计与制造 Design and Manufacture | 结构长度 Face to face/ End to end | 法兰尺寸 FlangeDimension | 对焊连接尺寸 Butt welding dimension | 压力-温度Pressure Temperature Lating | 试验-检验Inspection and Test |
API 600 | ANSI B16.10 | ANSI B16.5 | ANSI B16.25 | ANSI B16.34 | API 598 |
API 6D | API 6D | ANSI B16.5 | ANSI B16.25 | ANSI B16.34 | API 6D |
ANSI美标船用青铜闸阀 试验压力Test pressure
类别Type
|
Mpa
|
PSI
|
强度试验Shell test
|
3.0
|
450
|
高压密封试验(水)
Sealing test(WATER) |
2.2
|
314
|
低压密封试验
Sealing test(AIR) |
5-7巴Bar
|
材质名称
Name of material |
适用温度
Working temeorature |
适用介质
Avialable media |
CF8
|
≤50℃
|
|
OCr18Ni9
|
|
|
CF8N
|
NITRIC ACID
|
|
OCr18NiMo2ti
|
硝酸类
|
|
CF3
|
NITRIC ACID
|
|
OOCr18Ni10
|
硝酸类
|
|
CF3M
|
NITRIC ACID
|
|
OOCr17Ni14Mo2
|
硝酸类
|
公称通径NPS
Norminal diameter |
单位 Unit
|
L
|
D
|
T
|
G
|
C
|
n-Ф
|
W
|
H
|
|
in
|
mm
|
|||||||||
1/2〞
|
15
|
mm
|
108
|
89
|
12
|
35
|
60.5
|
4-15
|
90
|
188
|
in
|
4.25
|
3.5
|
0.47
|
1.38
|
2.38
|
4-0.59
|
3.54
|
7.40
|
||
3/4〞
|
20
|
mm
|
117
|
98
|
12
|
43
|
70
|
4-15
|
90
|
202
|
in
|
4.61
|
3.86
|
0.47
|
1.69
|
2.76
|
4-0.59
|
3.54
|
7.95
|
||
1〞
|
25
|
mm
|
127
|
108
|
12
|
51
|
79.5
|
4-15
|
100
|
225
|
in
|
5
|
4.25
|
0.47
|
2
|
3.13
|
4-0.59
|
4
|
8.86
|
||
11/2〞
|
40
|
mm
|
165
|
127
|
14.3
|
73
|
98.5
|
4-16
|
200
|
362
|
in
|
6.5
|
5
|
0.56
|
2.88
|
3.88
|
4-0.62
|
8
|
14.25
|
||
2〞
|
50
|
mm
|
178
|
152
|
15.9
|
92
|
120.5
|
4-19
|
200
|
409
|
in
|
7
|
6.00
|
0.625
|
3.62
|
4.75
|
4-0.75
|
8
|
16.1
|
||
21/2〞
|
65
|
mm
|
190
|
178
|
17.5
|
105
|
139.5
|
4-19
|
250
|
500
|
in
|
7.5
|
7
|
0.69
|
4.12
|
5.50
|
4-0.75
|
10
|
19.68
|
||
3〞
|
80
|
mm
|
203
|
190
|
19.1
|
127
|
152.4
|
4-19
|
250
|
570
|
in
|
8
|
7.50
|
0.75
|
5
|
6
|
4-0.75
|
10
|
22.58
|
||
4〞
|
100
|
mm
|
229
|
229
|
23.9
|
157
|
190.5
|
8-19
|
250
|
590
|
in
|
9
|
9
|
0.94
|
6.19
|
7.5
|
8-0.75
|
10
|
23.6
|
||
6〞
|
150
|
mm
|
267
|
279
|
25.4
|
216
|
241.5
|
8-22
|
300
|
630
|
in
|
10.50
|
11
|
1
|
8.5
|
9.50
|
8-0.88
|
12
|
24.8
|
||
8〞
|
200
|
mm
|
292
|
343
|
28.5
|
270
|
298.5
|
8-22
|
350
|
960
|
in
|
11.5
|
13.50
|
1.12
|
10.62
|
11.75
|
8-0.88
|
13.88
|
37.8
|
||
10〞
|
250
|
mm
|
330
|
406
|
30.2
|
342
|
362
|
12-25
|
400
|
1158
|
in
|
13
|
16
|
1198
|
12.75
|
14.75
|
12-1
|
15.7
|
45.6
|
||
12〞
|
300
|
mm
|
356
|
483
|
31.8
|
381
|
432
|
12-25
|
450
|
1378
|
in
|
14
|
19
|
1.25
|
15
|
17
|
12-1
|
17.7
|
54.3
|
||
14〞
|
350
|
mm
|
381
|
533
|
35
|
413
|
476
|
12-29
|
500
|
1543
|
in
|
15
|
21
|
1.38
|
16.25
|
18.75
|
12-1.2
|
79.7
|
60.75
|
||
16〞
|
400
|
mm
|
406
|
597
|
36.6
|
470
|
539.5
|
16-29
|
600
|
1738
|
in
|
16
|
23.5
|
1.44
|
18.5
|
21.25
|
16-1.12
|
23.6
|
68.4
|
类别Type
|
Mpa
|
PSI
|
强度试验Shell test
|
7.7
|
1125
|
高压密封试验(水)
Sealing test(WATER) |
5.8
|
815
|
低压密封试验
Sealing test(AIR) |
5-7巴Bar
|
类别Type
|
Mpa
|
PSI
|
强度试验Shell test
|
15.4
|
2225
|
高压密封试验(水)
Sealing test(WATER) |
5.8
|
1628
|
低压密封试验
Sealing test(AIR) |
5-7巴Bar
|
公称通径NPS
Norminal diameter |
单位
Unit |
L
|
D
|
T
|
G
|
C
|
n-Ф
|
W
|
H
|
|
in
|
mm
|
|||||||||
1/2〞
|
15
|
mm-
|
140
|
95
|
15
|
35
|
66.5
|
4-15
|
100
|
201
|
in
|
5.51
|
3.74
|
0.59
|
1.38
|
2.62
|
4-0.59
|
4
|
7.91
|
||
3/4〞
|
20
|
mm
|
152
|
117
|
16
|
43
|
82.5
|
4-19
|
100
|
212
|
in
|
5.98
|
4.61
|
0.62
|
1.69
|
3.25
|
4-0.75
|
4
|
8.35
|
||
1〞
|
25
|
mm
|
165
|
124
|
18
|
51
|
89
|
4-19
|
140
|
237
|
in
|
6.5
|
4.9
|
0.71
|
2
|
3.5
|
4-0.75
|
5.51
|
9.33
|
||
11/2〞
|
40
|
mm
|
190
|
156
|
20.7
|
73
|
114.5
|
4-22
|
200
|
407
|
in
|
7.5
|
6.12
|
0.81
|
2.88
|
4.51
|
4-0.88
|
8
|
16.02
|
||
2〞
|
50
|
mm
|
216
|
165
|
22.3
|
92
|
127
|
8-19
|
200
|
424
|
in
|
8.5
|
6.5
|
0.88
|
3.62
|
5
|
8-0.75
|
8
|
16.7
|
||
21/2〞
|
65
|
mm
|
241
|
190
|
25.4
|
105
|
149
|
8-22
|
250
|
265
|
in
|
9.5
|
7.5
|
1
|
4.12
|
5.87
|
8-0.88
|
10
|
18.31
|
||
3〞
|
80
|
mm
|
283
|
210
|
28.5
|
127
|
168.5
|
8-22
|
250
|
535
|
in
|
11.25
|
8.25
|
1012
|
5
|
6.62
|
8-0.88
|
10
|
21
|
||
4〞
|
100
|
mm
|
305
|
254
|
31.8
|
157
|
200
|
8-22
|
250
|
615
|
in
|
12
|
10
|
1.25
|
6.19
|
7.88
|
8-0.88
|
10
|
24.2
|
||
6〞
|
150
|
mm
|
4.3
|
318
|
36.6
|
216
|
270
|
12-22
|
350
|
795
|
in
|
15.875
|
12.5
|
1.44
|
8.5
|
10.62
|
12-0.88
|
140
|
31.3
|
||
8〞
|
200
|
mm
|
419
|
381
|
41.3
|
270
|
330
|
12-25
|
400
|
1012
|
in
|
16.5
|
15
|
1.62
|
10.62
|
12.99
|
12-1
|
15.7
|
39.9
|
||
10〞
|
250
|
mm
|
457
|
444
|
47.7
|
342
|
387.5
|
16-29
|
450
|
1231
|
in
|
18
|
17.50
|
1.88
|
12.75
|
15.25
|
16-1.12
|
17.7
|
48.5
|
公称通径NPS
Norminal diameter |
单位
Unit |
L
|
D
|
T
|
G
|
C
|
n-Ф
|
W
|
H
|
|
in
|
mm
|
|||||||||
2〞
|
15
|
mm
|
292
|
165
|
25.4
|
92
|
127
|
8-19
|
250
|
458
|
in
|
11.5
|
6.5
|
1
|
3.62
|
5
|
8-0.75
|
10
|
18
|
||
21/2〞
|
20
|
mm
|
330
|
190
|
28.6
|
105
|
149
|
8-22
|
250
|
485
|
in
|
13
|
7.48
|
1.13
|
4.12
|
5.87
|
8-0.88
|
10
|
10.09
|
||
3〞
|
25
|
mm
|
356
|
210
|
31.8
|
17
|
168
|
8-22
|
250
|
570
|
in
|
14
|
8.25
|
1.25
|
5
|
6.62
|
8-0.88
|
10
|
22.58
|
||
4〞
|
40
|
mm
|
432
|
273
|
31.8
|
157
|
216
|
8-25
|
350
|
690
|
in
|
17
|
10.75
|
1.5
|
6.19
|
8.5
|
8-1
|
14
|
27.2
|
||
6〞
|
50
|
mm
|
559
|
356
|
4.7
|
216
|
292
|
12-29
|
450
|
910
|
in
|
22
|
14
|
1.88
|
8.5
|
11.50
|
12-1.12
|
18
|
35.8
|
||
8〞
|
65
|
mm
|
660
|
419
|
55.6
|
270
|
349
|
12-32
|
500
|
1064
|
in
|
26
|
16.5
|
2.19
|
10.62
|
13.75
|
12-1.25
|
17.7
|
41.9
|