(K)AX46F/AF46Y先导式安全阀
先导式安全泄压阀是一种新颖结构的安全阀。主要用于石油天然气、化工、电力、冶金和城市燃气等领域，是受压设备、容器或管路上的最佳超压保护装置。其主要优点是变弹簧直接作用为导阀间接作用，提高了动作的灵敏度，而且主阀采用套筒活塞式，双重密封阀座结构，动作精度高、重复性好、回座快、不泄漏、能带高背压排放、工作等命长、工作稳定可靠，它还可在线调校，反复启跳排放后，仍然能自动回座，关闭严密，操作维护方便。
主要零件材料
NO
零件名称
A
先导式安全泄压阀是一种新颖结构的安全阀。主要用于石油天然气、化工、电力、冶金和城市燃气等领域，是受压设备、容器或管路上的最佳超压保护装置。其主要优点是变弹簧直接作用为导阀间接作用，提高了动作的灵敏度，而且主阀采用套筒活塞式，双重密封阀座结构，动作精度高、重复性好、回座快、不泄漏、能带高背压排放、工作等命长、工作稳定可靠，它还可在线调校，反复启跳排放后，仍然能自动回座，关闭严密，操作维护方便。
主要零件材料
|
NO
|
零件名称
|
Ax46Y/F 材料
|
KAX46Y/F材料
|
|
1
|
阀体
|
WCB
|
WCB
|
|
2
|
阀瓣
|
2Cr13/2Cr13+PTFE
|
1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE
|
|
3
|
导向套
|
1Cr18Ni9Ti
|
1Cr18Ni9Ti
|
|
4
|
弹簧
|
50CrVA
|
50CrVA
|
|
5
|
O型圈
|
氟橡胶
|
氟橡胶
|
|
6
|
阀盖
|
25
|
25
|
|
7
|
导阀
|
部件
|
|
主要外形尺寸
|
型号
|
公称通径
|
do
|
L
|
L1
|
L2
|
H
|
DN
|
D
|
D1
|
D2
|
D6
|
b
|
Z-ød
|
D
|
D1
|
D2
|
D6
|
b
|
Z-ød
|
||||
AF46Y-16
|
25
|
15
|
110
|
95
|
150
|
365
|
32
|
115
|
85
|
65
|
|
16
|
4-14
|
140
|
100
|
78
|
|
18
|
4-18
|
||||
|
32
|
20
|
115
|
100
|
150
|
375
|
40
|
140
|
100
|
78
|
|
18
|
4-18
|
150
|
110
|
85
|
|
18
|
4-18
|
|||||
|
40
|
25
|
120
|
110
|
160
|
390
|
50
|
150
|
110
|
85
|
|
18
|
4-18
|
165
|
125
|
100
|
|
20
|
4-18
|
|||||
|
50
|
32
|
135
|
120
|
160
|
410
|
65
|
165
|
125
|
100
|
|
20
|
4-18
|
185
|
145
|
120
|
|
20
|
4-18
|
|||||
|
65
|
40
|
160
|
140
|
175
|
435
|
80
|
185
|
145
|
120
|
|
20
|
4-18
|
200
|
160
|
135
|
|
20
|
8-18
|
|||||
|
80
|
50
|
170
|
135
|
175
|
451
|
100
|
200
|
160
|
135
|
|
20
|
8-18
|
220
|
180
|
155
|
|
22
|
8-18
|
|||||
|
100
|
65
|
195
|
175
|
195
|
500
|
125
|
220
|
180
|
155
|
|
22
|
8-18
|
250
|
210
|
185
|
|
24
|
8-18
|
|||||
|
125
|
80
|
210
|
190
|
220
|
526
|
150
|
250
|
210
|
185
|
|
22
|
8-18
|
285
|
240
|
210
|
|
24
|
8-23
|
|||||
|
150
|
100
|
255
|
230
|
265
|
623
|
175
|
285
|
240
|
210
|
|
24
|
8-23
|
315
|
270
|
240
|
|
26
|
8-23
|
|||||
|
200
|
125
|
300
|
260
|
300
|
690
|
250
|
340
|
295
|
265
|
|
26
|
12-23
|
405
|
355
|
320
|
|
30
|
12-26
|
|||||
AF46Y-25
|
25
|
15
|
110
|
95
|
150
|
365
|
32
|
115
|
85
|
65
|
|
16
|
4-14
|
140
|
100
|
78
|
|
18
|
4-18
|
||||
|
32
|
20
|
115
|
100
|
150
|
375
|
40
|
140
|
100
|
78
|
|
18
|
4-18
|
150
|
110
|
85
|
|
18
|
4-18
|
|||||
|
40
|
25
|
120
|
110
|
160
|
390
|
50
|
150
|
110
|
85
|
|
18
|
4-18
|
165
|
125
|
100
|
|
20
|
4-18
|
|||||
|
50
|
32
|
135
|
120
|
160
|
410
|
65
|
165
|
125
|
100
|
|
20
|
4-18
|
185
|
145
|
120
|
|
20
|
4-18
|
|||||
|
65
|
40
|
160
|
140
|
175
|
435
|
80
|
185
|
145
|
120
|
|
22
|
8-18
|
200
|
160
|
135
|
|
20
|
8-18
|
|||||
|
80
|
50
|
170
|
135
|
175
|
451
|
100
|
200
|
160
|
135
|
|
22
|
8-18
|
220
|
180
|
155
|
|
22
|
8-18
|
|||||
|
100
|
65
|
195
|
175
|
195
|
500
|
125
|
230
|
190
|
160
|
|
24
|
8-23
|
250
|
210
|
185
|
|
22
|
8-18
|
|||||
|
125
|
80
|
210
|
190
|
220
|
526
|
150
|
270
|
220
|
188
|
|
28
|
8-26
|
285
|
240
|
210
|
|
24
|
8-23
|
|||||
|
150
|
100
|
255
|
230
|
265
|
623
|
175
|
300
|
250
|
218
|
|
30
|
8-26
|
310
|
270
|
240
|
|
26
|
8-23
|
|||||
|
200
|
125
|
300
|
260
|
300
|
690
|
250
|
360
|
310
|
278
|
|
34
|
12-26
|
405
|
355
|
320
|
|
30
|
12-26
|
|||||
AF46Y-40
|
25
|
15
|
110
|
95
|
150
|
365
|
32
|
115
|
85
|
65
|
58
|
16
|
4-14
|
140
|
100
|
78
|
|
18
|
4-18
|
||||
|
32
|
20
|
115
|
100
|
150
|
375
|
40
|
140
|
100
|
78
|
66
|
18
|
4-18
|
150
|
110
|
85
|
|
18
|
4-18
|
|||||
|
40
|
25
|
120
|
110
|
160
|
390
|
50
|
150
|
110
|
85
|
76
|
18
|
4-18
|
165
|
125
|
100
|
|
20
|
4-18
|
|||||
|
50
|
32
|
135
|
120
|
160
|
410
|
65
|
165
|
125
|
100
|
88
|
20
|
4-18
|
185
|
145
|
120
|
|
20
|
4-18
|
|||||
|
65
|
40
|
160
|
140
|
175
|
435
|
80
|
185
|
145
|
120
|
110
|
22
|
8-18
|
200
|
160
|
135
|
|
20
|
8-18
|
|||||
|
80
|
50
|
170
|
135
|
175
|
451
|
100
|
200
|
160
|
135
|
121
|
22
|
8-18
|
220
|
180
|
155
|
|
22
|
8-18
|
|||||
|
100
|
65
|
195
|
175
|
195
|
500
|
125
|
235
|
190
|
160
|
150
|
24
|
8-23
|
250
|
210
|
185
|
|
22
|
8-18
|
|||||
|
125
|
80
|
210
|
190
|
220
|
526
|
150
|
270
|
220
|
188
|
176
|
28
|
8-26
|
285
|
240
|
210
|
|
24
|
8-23
|
|||||
|
150
|
100
|
255
|
230
|
265
|
623
|
175
|
300
|
250
|
218
|
204
|
30
|
8-26
|
310
|
270
|
240
|
|
26
|
8-23
|
|||||
|
200
|
125
|
300
|
260
|
300
|
690
|
250
|
375
|
320
|
282
|
260
|
38
|
12-30
|
405
|
355
|
320
|
|
30
|
12-26
|
|||||
AF46Y-64
|
25
|
15
|
110
|
100
|
160
|
365
|
32
|
140
|
100
|
78
|
58
|
22
|
4-18
|
140
|
100
|
78
|
66
|
18
|
4-18
|
||||
|
32
|
20
|
130
|
110
|
160
|
375
|
40
|
155
|
110
|
82
|
66
|
24
|
4-23
|
150
|
110
|
85
|
76
|
18
|
4-18
|
|||||
|
40
|
25
|
130
|
120
|
170
|
445
|
50
|
170
|
125
|
95
|
76
|
24
|
4-23
|
165
|
125
|
100
|
88
|
20
|
4-18
|
|||||
|
50
|
32
|
135
|
130
|
195
|
460
|
65
|
180
|
135
|
105
|
88
|
26
|
4-23
|
185
|
145
|
120
|
110
|
22
|
8-18
|
|||||
|
65
|
40
|
175
|
160
|
225
|
495
|
80
|
205
|
160
|
130
|
110
|
28
|
8-23
|
200
|
160
|
135
|
121
|
22
|
8-18
|
|||||
|
80
|
50
|
175
|
160
|
225
|
525
|
100
|
215
|
170
|
140
|
121
|
30
|
8-23
|
235
|
190
|
160
|
150
|
24
|
8-23
|
|||||
|
100
|
65
|
195
|
195
|
245
|
565
|
125
|
250
|
200
|
168
|
150
|
32
|
8-26
|
270
|
220
|
188
|
176
|
28
|
8-25
|
|||||
|
150
|
100
|
280
|
265
|
265
|
610
|
200
|
345
|
280
|
240
|
204
|
38
|
8-34
|
375
|
320
|
282
|
260
|
38
|
12-30
|
|||||
|
200
|
125
|
300
|
295
|
300
|
680
|
250
|
405
|
345
|
300
|
260
|
44
|
12-34
|
450
|
385
|
345
|
313
|
42
|
12-34
|
|||||
AF46Y-100
|
25
|
15
|
110
|
100
|
160
|
365
|
32
|
140
|
100
|
78
|
58
|
24
|
4-18
|
140
|
100
|
78
|
66
|
18
|
4-18
|
||||
|
32
|
20
|
130
|
110
|
160
|
375
|
40
|
155
|
110
|
82
|
66
|
24
|
4-23
|
150
|
110
|
85
|
76
|
18
|
4-18
|
|||||
|
40
|
25
|
130
|
120
|
170
|
445
|
50
|
170
|
125
|
95
|
76
|
26
|
4-23
|
165
|
125
|
100
|
88
|
20
|
4-18
|
|||||
|
50
|
32
|
135
|
130
|
195
|
460
|
65
|
195
|
145
|
112
|
88
|
28
|
4-26
|
185
|
145
|
120
|
110
|
22
|
8-18
|
|||||
|
65
|
40
|
175
|
160
|
225
|
495
|
80
|
220
|
170
|
138
|
110
|
32
|
8-26
|
200
|
160
|
135
|
121
|
22
|
8-18
|
|||||
|
80
|
50
|
175
|
160
|
225
|
525
|
100
|
230
|
180
|
148
|
121
|
34
|
8-26
|
235
|
190
|
160
|
150
|
24
|
8-23
|
|||||
|
100
|
65
|
195
|
195
|
245
|
565
|
125
|
265
|
210
|
172
|
150
|
38
|
8-30
|
270
|
220
|
188
|
176
|
28
|
8-25
|
|||||
|
150
|
100
|
280
|
265
|
265
|
610
|
200
|
355
|
290
|
250
|
204
|
46
|
12-34
|
375
|
320
|
282
|
260
|
38
|
12-30
|
|||||
|
200
|
125
|
300
|
295
|
300
|
680
|
250
|
430
|
360
|
312
|
260
|
54
|
12-41
|
450
|
385
|
345
|
313
|
42
|
12-34
|
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