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产品用途
J41H、J41Y、J41W API美标截止阀的启闭件是圆柱形的阀瓣,密封面呈平面或锥面,阀瓣沿流体的中心线作直线运动。国标截止阀只适用于全开和全关,一般不用来调节流量,定做时允许作调节和节流。
产品特点
1、结构简单,制造和维修比较方便;
2、工作行程小,启闭时间短;
3、密封性好,密封面间磨擦力小,寿命较长。
执行标准
设计标准 BS1873 JIS B2071-2081
结构长度 ANSI B16.10,JISB2002
配管法兰 ANSI B16.5、JIS B2212-2214
对焊端尺寸 ANSI B16.25
检验与试验 API598、JIS B2003
传动方式 手动、电动、伞齿轮动
性能参数
|
型号
|
J41H-150LB~2500LB
|
J41Y-150LB~2500LB
|
J41W-150LB~2500LB
|
|
工作压力(class)
|
150LB~2500LB
|
|
适用温度(℃)
|
≤425
|
≤150
|
|
适用介质
|
水、蒸汽、油品
|
弱腐蚀性介质
|
|
材料
|
阀体、阀盖
|
碳素钢
|
铬镍钛不锈钢
|
|
阀杆
|
铬不锈钢
|
铬镍钛不锈钢
|
|
密封面
|
堆焊铁基合金
|
堆焊硬基合金
|
本体材料
|
|
填料
|
石棉石墨、柔性石墨、聚四氟乙烯
|
主要外形和连接尺寸
|
DN
|
L
|
D
|
D1
|
D2
|
b
|
Z-Φd
|
H
|
D0
|
|
150Lb
|
|
15
|
108
|
90
|
60.5
|
35
|
10
|
4-15
|
241
|
125
|
|
20
|
117
|
100
|
70
|
43
|
11
|
4-15
|
241
|
125
|
|
25
|
127
|
110
|
79.5
|
51
|
12
|
4-15
|
242
|
125
|
|
32
|
140
|
120
|
89
|
63
|
13
|
4-15
|
280
|
160
|
|
40
|
165
|
130
|
98.5
|
73
|
15
|
4-15
|
286
|
160
|
|
50
|
203
|
150
|
120.5
|
92
|
16
|
4-19
|
368
|
200
|
|
65
|
216
|
180
|
139.5
|
105
|
18
|
4-19
|
387
|
200
|
|
80
|
241
|
190
|
152.5
|
127
|
19
|
4-19
|
411
|
250
|
|
100
|
292
|
230
|
190.5
|
157
|
24
|
8-19
|
454
|
250
|
|
125
|
356
|
255
|
216
|
186
|
24
|
8-22
|
455
|
355
|
|
150
|
406
|
280
|
241.5
|
216
|
26
|
8-22
|
541
|
355
|
|
200
|
495
|
345
|
298.5
|
270
|
29
|
8-22
|
651
|
450
|
|
250
|
622
|
405
|
362
|
324
|
31
|
12-25
|
800
|
450
|
|
300
|
698
|
485
|
432
|
381
|
32
|
12-25
|
1231
|
500
|
|
350
|
787
|
535
|
476.5
|
413
|
35
|
12-29
|
1450
|
600
|
|
400
|
914
|
595
|
534.5
|
470
|
37
|
16-29
|
1645
|
600
|
|
450
|
-
|
635
|
577.5
|
533
|
40
|
16-32
|
-
|
610
|
|
300Lb
|
|
15
|
152
|
95
|
66.5
|
35
|
15
|
4-15
|
241
|
125
|
|
20
|
178
|
120
|
82.5
|
43
|
16
|
4-19
|
241
|
125
|
|
25
|
203
|
125
|
89
|
51
|
18
|
4-19
|
283
|
160
|
|
32
|
216
|
135
|
98.5
|
63
|
19
|
4-19
|
320
|
200
|
|
40
|
229
|
155
|
114.3
|
73
|
21
|
4-22
|
322
|
200
|
|
50
|
267
|
165
|
127
|
92
|
23
|
8-19
|
399
|
200
|
|
65
|
292
|
190
|
149
|
105
|
26
|
8-22
|
438
|
250
|
|
80
|
318
|
210
|
168.5
|
127
|
29
|
8-22
|
464
|
280
|
|
100
|
356
|
255
|
200
|
157
|
32
|
8-22
|
565
|
355
|
|
125
|
400
|
280
|
235
|
186
|
35
|
8-22
|
614
|
400
|
|
150
|
444
|
320
|
270
|
216
|
37
|
12-22
|
717
|
450
|
|
200
|
559
|
380
|
330
|
270
|
42
|
12-25
|
930
|
500
|
|
250
|
622
|
445
|
387.5
|
324
|
47.7
|
16-29
|
1012
|
450
|
|
300
|
711
|
520
|
451
|
381
|
50.8
|
16-32
|
1231
|
500
|
|
350
|
762
|
585
|
514.5
|
413
|
54
|
20-32
|
1450
|
600
|
|
400
|
864
|
650
|
571.5
|
470
|
57.2
|
20-35
|
1645
|
600
|
|
600Lb
|
|
15
|
165
|
95
|
66.5
|
35
|
22
|
4-15
|
100
|
156
|
|
20
|
190
|
120
|
82.5
|
43
|
23
|
4-19
|
100
|
161
|
|
25
|
216
|
125
|
89
|
51
|
25
|
4-19
|
125
|
187
|
|
32
|
229
|
135
|
98.5
|
63
|
28
|
4-19
|
160
|
214
|
|
40
|
241
|
155
|
114.3
|
73
|
30
|
4-22
|
160
|
252
|
|
50
|
292
|
165
|
127
|
92
|
33
|
8-22
|
180
|
430
|
|
65
|
330
|
190
|
149
|
100
|
36
|
8-22
|
250
|
480
|
|
80
|
356
|
210
|
168
|
127
|
39
|
8-22
|
250
|
530
|
|
100
|
432
|
275
|
216
|
157
|
45
|
8-25
|
350
|
650
|
|
125
|
508
|
330
|
266.5
|
186
|
52
|
8-29
|
350
|
750
|
|
150
|
559
|
355
|
292
|
216
|
55
|
12-29
|
450
|
850
|
|
200
|
660
|
420
|
349
|
270
|
63
|
12-32
|
500
|
1050
|
|
250
|
787
|
510
|
432
|
324
|
71
|
19-35
|
600
|
1257
|
|
300
|
838
|
560
|
489
|
381
|
74
|
20-35
|
680
|
1468
|
|
350
|
889
|
605
|
527
|
413
|
77
|
20-38
|
760
|
1623
|
|
400
|
991
|
685
|
603
|
470
|
84
|
20-41
|
760
|
1816
|
结构图片
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