弹簧微启封闭式安全阀指依靠弹簧的弹性压力而将阀的瓣膜或柱塞等密封件闭锁,一旦当压力容器的压力异常后产生的高压将克服安全阀的弹簧压力,所以闭锁装置被顶开,形成了一个泄压通道,将高压泄放掉。
弹簧微启封闭式安全阀区别于一般的全启式安全阀,其泄压后可自动关闭,无需人手动复位,A41H弹簧微启封闭式安全阀适用于工作温度≤300℃的石油气、空气、水等介质的设备或管路上。A41Y-P/R不锈钢安全阀适用于工作温度≤200℃有腐蚀性介质的设备或管路上,作为超压保护装置。连接法兰标准按JB/T……94/系列1。
Scope of application(SANJING VALVE)
A41H type are used for the equipment and pipeline of the petroleum gas air water etc medium what are working temperature are less than ≤300℃ A41Y-P/R type are used for the equipment and pipeline of the quality with corrode medium what the wirking temperatrue are less than 200℃ Take for extra pressure devices Flange connecting dimentsions of comply with Standard series first of JB/T...94
弹簧微启封闭式安全阀主要零部件材料
|
NO
|
零件名称
|
A41Y-160材料
|
A41Y-160P材料
|
A41Y-160R材料
|
|
1
|
法兰
|
35/35CrMoA
|
2Cr13
|
1Cr18Ni9Ti
|
|
2
|
阀座
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
|
3
|
阀体
|
35/40
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
|
4
|
阀瓣
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
|
5
|
导向套
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
|
6
|
弹簧
|
50CrVA
|
50CrVA包覆氟塑料
|
50CrVA包覆氟塑料
|
|
7
|
阀杆
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
|
8
|
阀盖
|
ZG230-450
|
1Cr18Ni9Ti
|
1Cr18Ni9Ti
|
|
9
|
调整螺杆
|
45
|
2Cr13
|
2Cr13
|
|
10
|
阀帽
|
ZG200-400
|
1Cr18Ni9Ti
|
1Cr18Ni9Ti
|
|
阀座、阀瓣密封面
|
堆焊Co基硬质合金
|
|||
A41H弹簧微启封闭式安全阀外形尺寸和连接尺寸
|
型号
|
公称通径
|
do
|
D
|
K
|
g
|
g1
|
b
|
f
|
f1
|
Z-?d
|
DN’
|
D1
|
K1
|
g2
|
g’
|
b1
|
f’
|
f1’
|
Z1-?d1
|
L
|
L1
|
≈H
|
|
A41H-16C
A41Y-16P A41Y-16R KA41Y-16C KA41Y-16P |
20
|
15
|
105
|
75
|
-
|
55
|
16
|
2
|
-
|
4-14
|
20
|
105
|
75
|
55
|
-
|
16
|
2
|
-
|
4-14
|
100
|
85
|
276
|
|
25
|
20
|
115
|
85
|
-
|
65
|
16
|
2
|
-
|
4-14
|
25
|
115
|
85
|
65
|
-
|
16
|
2
|
-
|
4-14
|
100
|
85
|
276
|
|
|
32
|
25
|
140
|
100
|
-
|
78
|
18
|
2
|
-
|
4-18
|
32
|
140
|
100
|
78
|
-
|
18
|
2
|
-
|
4-18
|
115
|
100
|
285
|
|
|
40
|
32
|
150
|
110
|
-
|
85
|
18
|
3
|
-
|
4-18
|
40
|
150
|
110
|
85
|
-
|
18
|
3
|
-
|
4-18
|
120
|
110
|
292
|
|
|
50
|
40
|
165
|
125
|
-
|
100
|
20
|
3
|
-
|
4-18
|
50
|
165
|
125
|
100
|
-
|
20
|
3
|
-
|
4-18
|
135
|
120
|
370
|
|
|
65
|
50
|
185
|
145
|
-
|
120
|
20
|
3
|
-
|
4-18
|
65
|
185
|
145
|
120
|
-
|
20
|
3
|
-
|
4-18
|
140
|
130
|
375
|
|
|
80
|
65
|
200
|
160
|
-
|
135
|
20
|
3
|
-
|
8-18
|
80
|
200
|
160
|
135
|
-
|
20
|
3
|
-
|
8-18
|
160
|
135
|
373
|
|
|
100
|
80
|
220
|
180
|
-
|
155
|
22
|
3
|
-
|
8-18
|
100
|
220
|
180
|
155
|
-
|
22
|
3
|
-
|
8-18
|
170
|
160
|
513
|
|
|
125
|
100
|
250
|
210
|
-
|
185
|
22
|
3
|
-
|
8-18
|
125
|
250
|
210
|
185
|
-
|
22
|
3
|
-
|
8-18
|
190
|
190
|
560
|
|
|
150
|
125
|
285
|
240
|
-
|
210
|
24
|
3
|
-
|
8-23
|
150
|
285
|
240
|
210
|
-
|
24
|
3
|
-
|
8-23
|
205
|
195
|
570
|
|
|
200
|
150
|
340
|
295
|
-
|
265
|
26
|
3
|
-
|
12-23
|
200
|
340
|
295
|
265
|
-
|
26
|
3
|
-
|
12-23
|
240
|
230
|
717
|
|
|
250
|
200
|
405
|
355
|
-
|
320
|
30
|
3
|
-
|
12-26
|
250
|
405
|
355
|
320
|
-
|
30
|
3
|
-
|
12-26
|
350
|
320
|
940
|
|
|
300
|
250
|
460
|
410
|
-
|
375
|
30
|
4
|
-
|
12-26
|
300
|
460
|
410
|
375
|
-
|
30
|
4
|
-
|
12-26
|
350
|
320
|
980
|
|
|
A41H-25
A41Y-25P A41Y-25R KA41Y-25 KA41Y-25P |
20
|
15
|
105
|
75
|
-
|
55
|
16
|
2
|
-
|
4-14
|
20
|
105
|
75
|
55
|
-
|
16
|
2
|
-
|
4-14
|
100
|
85
|
276
|
|
25
|
20
|
115
|
85
|
-
|
65
|
16
|
2
|
-
|
4-14
|
25
|
115
|
85
|
65
|
-
|
16
|
2
|
-
|
4-14
|
100
|
85
|
276
|
|
|
32
|
25
|
140
|
100
|
-
|
78
|
18
|
2
|
-
|
4-18
|
32
|
140
|
100
|
78
|
-
|
18
|
2
|
-
|
4-18
|
115
|
100
|
285
|
|
|
40
|
32
|
150
|
110
|
-
|
85
|
18
|
3
|
-
|
4-18
|
40
|
150
|
110
|
85
|
-
|
18
|
3
|
-
|
4-18
|
120
|
110
|
292
|
|
|
50
|
40
|
165
|
125
|
-
|
100
|
20
|
3
|
-
|
4-18
|
50
|
165
|
125
|
100
|
-
|
20
|
3
|
-
|
4-18
|
135
|
120
|
370
|
|
|
65
|
50
|
185
|
145
|
-
|
120
|
22
|
3
|
-
|
8-18
|
65
|
185
|
145
|
120
|
-
|
20
|
3
|
-
|
4-18
|
140
|
130
|
375
|
|
|
80
|
65
|
200
|
160
|
-
|
135
|
24
|
3
|
-
|
8-18
|
80
|
200
|
160
|
135
|
-
|
20
|
3
|
-
|
8-18
|
160
|
135
|
373
|
|
|
100
|
80
|
230
|
190
|
-
|
160
|
24
|
3
|
-
|
8-23
|
100
|
220
|
180
|
155
|
-
|
20
|
3
|
-
|
8-18
|
170
|
160
|
513
|
|
|
125
|
100
|
270
|
220
|
-
|
188
|
28
|
3
|
-
|
8-26
|
125
|
250
|
210
|
185
|
-
|
22
|
3
|
-
|
8-18
|
190
|
190
|
560
|
|
|
150
|
125
|
300
|
250
|
-
|
218
|
30
|
3
|
-
|
8-26
|
150
|
285
|
240
|
210
|
-
|
24
|
3
|
-
|
8-23
|
205
|
195
|
570
|
|
|
200
|
150
|
360
|
310
|
-
|
278
|
34
|
3
|
-
|
12-26
|
200
|
340
|
295
|
265
|
-
|
26
|
3
|
-
|
12-23
|
240
|
230
|
717
|
|
|
250
|
200
|
425
|
370
|
-
|
332
|
36
|
3
|
-
|
12-30
|
250
|
405
|
355
|
320
|
-
|
30
|
3
|
-
|
12-26
|
350
|
320
|
940
|
|
|
300
|
250
|
485
|
430
|
-
|
390
|
40
|
4
|
-
|
16-30
|
300
|
460
|
410
|
375
|
-
|
30
|
4
|
-
|
12-26
|
350
|
320
|
980
|
|
|
A41H-40
A41Y-40P A41Y-40R KA41Y-40 KA41Y-40P |
20
|
15
|
105
|
75
|
51
|
55
|
16
|
2
|
4
|
4-14
|
20
|
105
|
75
|
55
|
-
|
16
|
2
|
-
|
4-14
|
100
|
85
|
276
|
|
25
|
20
|
115
|
85
|
58
|
65
|
16
|
2
|
4
|
4-14
|
25
|
115
|
85
|
65
|
-
|
16
|
2
|
-
|
4-14
|
100
|
85
|
276
|
|
|
32
|
25
|
140
|
100
|
66
|
78
|
18
|
2
|
4
|
4-18
|
32
|
140
|
100
|
78
|
-
|
18
|
2
|
-
|
4-18
|
115
|
100
|
285
|
|
|
40
|
32
|
150
|
110
|
76
|
85
|
18
|
3
|
4
|
4-18
|
40
|
150
|
110
|
85
|
-
|
18
|
3
|
-
|
4-18
|
120
|
110
|
292
|
|
|
50
|
40
|
165
|
125
|
88
|
100
|
20
|
3
|
4
|
4-18
|
50
|
165
|
125
|
100
|
-
|
20
|
3
|
-
|
4-18
|
135
|
120
|
370
|
|
|
65
|
50
|
185
|
145
|
110
|
120
|
22
|
3
|
4
|
8-18
|
65
|
185
|
145
|
120
|
-
|
20
|
3
|
-
|
4-18
|
140
|
130
|
375
|
|
|
80
|
65
|
200
|
160
|
121
|
135
|
22
|
3
|
4
|
8-18
|
80
|
200
|
160
|
135
|
-
|
20
|
3
|
-
|
8-18
|
160
|
135
|
373
|
|
|
100
|
80
|
235
|
190
|
150
|
160
|
24
|
3
|
4.5
|
8-23
|
100
|
220
|
180
|
155
|
-
|
22
|
3
|
-
|
8-18
|
170
|
160
|
513
|
|
|
125
|
100
|
270
|
220
|
176
|
188
|
28
|
3
|
4.5
|
8-26
|
125
|
250
|
210
|
185
|
-
|
22
|
3
|
-
|
8-18
|
190
|
190
|
560
|
|
|
150
|
125
|
300
|
250
|
204
|
218
|
30
|
3
|
4.5
|
8-26
|
150
|
285
|
240
|
210
|
-
|
24
|
3
|
-
|
8-23
|
205
|
195
|
570
|
|
|
200
|
150
|
375
|
320
|
260
|
282
|
38
|
3
|
4.5
|
12-30
|
200
|
340
|
295
|
265
|
-
|
26
|
3
|
-
|
12-23
|
240
|
230
|
717
|
|
|
250
|
200
|
450
|
385
|
313
|
345
|
42
|
3
|
4.5
|
12-34
|
250
|
405
|
355
|
320
|
-
|
30
|
3
|
-
|
12-26
|
350
|
320
|
940
|
|
|
300
|
250
|
515
|
450
|
364
|
408
|
46
|
4
|
4.5
|
16-34
|
300
|
460
|
410
|
375
|
-
|
30
|
4
|
-
|
12-26
|
350
|
320
|
980
|
|
|
A41H-64
A41Y-64 A41Y-64P A41Y-64R |
20
|
15
|
130
|
90
|
51
|
68
|
20
|
2
|
4
|
4-18
|
20
|
105
|
75
|
55
|
51
|
16
|
2
|
4
|
4-14
|
100
|
95
|
268
|
|
25
|
20
|
140
|
100
|
58
|
78
|
22
|
2
|
4
|
4-18
|
25
|
115
|
85
|
65
|
58
|
16
|
2
|
4
|
4-14
|
100
|
95
|
268
|
|
|
32
|
25
|
155
|
110
|
66
|
82
|
24
|
2
|
4
|
4-23
|
32
|
140
|
100
|
78
|
66
|
18
|
2
|
4
|
4-18
|
115
|
105
|
279
|
|
|
40
|
32
|
170
|
125
|
76
|
95
|
24
|
3
|
4
|
4-23
|
40
|
150
|
110
|
85
|
76
|
18
|
3
|
4
|
4-18
|
135
|
115
|
330
|
|
|
50
|
40
|
180
|
135
|
88
|
105
|
26
|
3
|
4
|
4-23
|
50
|
165
|
125
|
100
|
88
|
20
|
3
|
4
|
4-18
|
160
|
125
|
360
|
|
|
65
|
50
|
205
|
160
|
110
|
130
|
28
|
3
|
4
|
8-23
|
65
|
185
|
145
|
120
|
110
|
22
|
3
|
4
|
8-18
|
175
|
160
|
503
|
|
|
80
|
65
|
215
|
170
|
121
|
140
|
30
|
3
|
4
|
8-23
|
80
|
200
|
160
|
135
|
121
|
22
|
3
|
4
|
8-18
|
175
|
160
|
498
|
|
|
100
|
80
|
250
|
200
|
150
|
168
|
32
|
3
|
4.5
|
8-26
|
100
|
235
|
190
|
160
|
150
|
24
|
3
|
4.5
|
8-23
|
190
|
180
|
530
|
|
|
150
|
100
|
345
|
280
|
204
|
240
|
38
|
3
|
4.5
|
8-34
|
150
|
300
|
250
|
218
|
204
|
30
|
3
|
4.5
|
8-26
|
280
|
260
|
657
|
|
|
A41H-100
A41Y-100 A41Y-100P A41Y-100R |
20
|
15
|
130
|
90
|
51
|
68
|
22
|
2
|
4
|
4-18
|
20
|
105
|
75
|
55
|
51
|
16
|
2
|
4
|
4-14
|
100
|
95
|
268
|
|
25
|
20
|
140
|
100
|
58
|
78
|
24
|
2
|
4
|
4-18
|
25
|
115
|
85
|
65
|
58
|
16
|
2
|
4
|
4-14
|
100
|
95
|
268
|
|
|
32
|
25
|
155
|
110
|
66
|
82
|
24
|
2
|
4
|
4-23
|
32
|
140
|
100
|
78
|
66
|
18
|
2
|
4
|
4-18
|
115
|
105
|
279
|
|
|
40
|
32
|
170
|
125
|
76
|
95
|
26
|
3
|
4
|
4-23
|
40
|
150
|
110
|
85
|
76
|
18
|
3
|
4
|
4-18
|
135
|
115
|
330
|
|
|
50
|
40
|
195
|
145
|
88
|
112
|
28
|
3
|
4
|
4-26
|
50
|
165
|
125
|
100
|
88
|
20
|
3
|
4
|
4-18
|
160
|
125
|
360
|
|
|
65
|
50
|
220
|
170
|
110
|
138
|
32
|
3
|
4
|
8-26
|
65
|
185
|
145
|
120
|
110
|
22
|
3
|
4
|
8-18
|
175
|
160
|
503
|
|
|
80
|
65
|
230
|
180
|
121
|
148
|
34
|
3
|
4
|
8-26
|
80
|
200
|
160
|
135
|
121
|
22
|
3
|
4
|
8-18
|
175
|
160
|
498
|
|
|
100
|
80
|
265
|
210
|
150
|
172
|
38
|
3
|
4.5
|
8-30
|
100
|
235
|
190
|
160
|
150
|
24
|
3
|
4.5
|
8-23
|
190
|
180
|
530
|
|
|
150
|
100
|
355
|
290
|
204
|
250
|
46
|
3
|
4.5
|
12-34
|
150
|
300
|
250
|
218
|
204
|
30
|
3
|
4.5
|
8-26
|
280
|
260
|
657
|




通过认证 

