|
 产品特点
1、美标截止阀结构紧凑、设计合理，阀门刚性好，通道流畅，流阴系数小。
2、美标截止阀密封面采用不锈钢和硬质合金，使用寿命长。
3、美标截止阀采用柔性石墨填料、密封可靠，操作轻便灵活。
4、美标截止阀驱动方式分手动、电动、气动、齿轮气传动，
用
途
美标截止阀广泛适用于石油化工、火力发电厂等油品、水蒸汽管路上做接通或截断管路中介质的启闭装置。
标准规范
|
设计与制造
|
结构长度
|
法兰尺寸
|
对焊连接尺寸
|
压力—温度
|
试验—检验
|
|
ANSIB土6．34、BSl873
|
ANSIBl6．10
|
ANSIBl6．5
|
ANSIBl6．25
|
ANSIB土6．34
|
APl598
|
主体材料
不锈钢（CF8、CF3M、304、316L）、双相不锈钢2205.2507
美标截止阀相对应的型号
J41H-150Lb、J41H-300Lb、J41H-600Lb、J41H-800Lb、J41W-150Lb、J41W-300Lb、J41W-600Lb、J41W-800Lb、J41Y-150Lb、J41Y-300Lb、J41Y-600Lb、J41Y-800Lb
外型尺寸和连接尺寸
|
|
|
|
规格
|
L
|
D
|
t
|
G
|
C
|
n-Φd
|
W
|
H
|
|
1/2"
|
mm
|
108
|
89
|
12
|
35
|
60.5
|
4-15
|
125
|
169
|
|
in
|
4.25
|
3.5
|
0.47
|
1.38
|
2.38
|
4-0.59
|
4.92
|
6.65
|
|
3/4"
|
mm
|
117
|
98
|
12
|
43
|
70
|
4-15
|
125
|
180
|
|
n
|
4.61
|
3.86
|
0.47
|
1.69
|
2.76
|
4-0.59
|
4.92
|
7.08
|
|
1"
|
mm
|
127
|
108
|
12
|
51
|
79.5
|
4-15
|
125
|
190
|
|
in
|
5
|
4.25
|
0.47
|
2
|
3.13
|
4-0.59
|
4.92
|
7.48
|
|
11/2"
|
mm
|
165
|
127
|
14.3
|
73
|
98.5
|
4-16
|
180
|
347
|
|
in
|
6.5
|
5
|
0.56
|
2.87
|
3.88
|
4-0.62
|
7.09
|
13.66
|
|
2"
|
mm
|
203
|
152
|
15.9
|
92
|
120.5
|
4-19
|
180
|
356
|
|
in
|
8.00
|
6.00
|
0.62
|
3.62
|
4.75
|
4-0.75
|
7.09
|
14
|
|
21/2"
|
mm
|
216
|
178
|
17.5
|
105
|
139.5
|
4-19
|
240
|
381
|
|
in
|
8.5
|
7
|
0.69
|
4.12
|
5.50
|
4-0.75
|
9.45
|
15.00
|
|
3"
|
mm
|
241
|
190
|
19.1
|
127
|
152.4
|
4-19
|
280
|
413
|
|
in
|
9.5
|
7.50
|
0.75
|
5
|
6
|
4-0.75
|
11.02
|
16.25
|
|
4"
|
mm
|
292
|
229
|
24
|
157
|
190.5
|
8-19
|
280
|
500
|
|
in
|
11.50
|
9.00
|
0.94
|
6.19
|
7.5
|
8-0.75
|
11.02
|
19.68
|
|
6"
|
mm
|
406
|
279
|
25.4
|
216
|
241.5
|
8-22
|
360
|
656
|
|
in
|
16
|
11.00
|
1.00
|
8.5
|
9.50
|
8-0.88
|
14.17
|
22.25
|
|
8"
|
mm
|
495
|
343
|
29
|
270
|
298.5
|
8-22
|
450
|
660
|
|
in
|
19.5
|
13.5
|
1.12
|
10.62
|
11.75
|
8-0.88
|
17.75
|
26.00
|
300LB 外型尺寸和连接尺寸
|
规格
|
L
|
D
|
t
|
G
|
C
|
n-Φd
|
W
|
H
|
|
1/2"
|
mm
|
152
|
95
|
15
|
35
|
66.5
|
4-15
|
125
|
190
|
|
in
|
5.98
|
3.74
|
0.95
|
1.38
|
2.62
|
4-0.59
|
4.92
|
7.48
|
|
3/4"
|
mm
|
178
|
117
|
16
|
43
|
82.5
|
4-19
|
125
|
212
|
|
in
|
7
|
4.61
|
0.62
|
1.69
|
3.25
|
4-0.75
|
4.92
|
8.35
|
|
1"
|
mm
|
203
|
124
|
18
|
51
|
89
|
4-22
|
160
|
231
|
|
in
|
8
|
4.9
|
0.71
|
2
|
3.50
|
4-0.75
|
6.2
|
9.1
|
|
11/2"
|
mm
|
229
|
156
|
20.7
|
78
|
114.5
|
4-22
|
200
|
391
|
|
in
|
9
|
6.12
|
0.81
|
2.87
|
4.51
|
4-0.87
|
8
|
15.43
|
|
2"
|
mm
|
267
|
165
|
22
|
92
|
127
|
8-19
|
200
|
406
|
|
in
|
105
|
6.5
|
0.88
|
3.62
|
5
|
8-0.75
|
7.87
|
16.00
|
|
21/2"
< | | | 
通用阀门
通用阀门
