A48Y弹簧式蒸汽安全阀适用于工作温度≤
连接法兰标准PN＜6.4MPa按JB/T-94系列1。PN≥6.4MPa按JB/T-94系列2标准。
弹簧全启式安全阀主要零部件材料
NO. |
零件名称 |
A48Y-C A44Y-C 材料 |
A44Y-P材料 |
A44Y-R材料 |
1 |
阀体 |
WCB |
ZG1Cr18Ni9Ti |
CF |
2 |
阀座 |
2Cr13 |
1Cr18Ni9Ti |
316 |
3 |
调节圈 |
ZG2Cr13 |
ZG1Cr18Ni9Ti |
0Cr18Ni12Mo2Ti |
4 |
反冲盘 |
ZG2Cr13 |
ZG1Cr18Ni9Ti |
316 |
5 |
阀瓣 |
2Cr13 |
1Cr18Ni9Ti |
316 |
6 |
导向套 |
2Cr13 |
1Cr18Ni9Ti |
0Cr18Ni12Mo2Ti |
7 |
阀盖 |
ZG230-450 |
ZG230-450 |
ZG230-450 |
8 |
弹簧 |
50CrVA |
50CrVA包覆氟塑料 |
50CrVA包覆氟塑料 |
9 |
阀杆 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
10 |
扳手 |
ZG200-400 |
ZG200-400 |
ZG200-400 |
11 |
调整螺杆 |
45 |
2Cr13 |
2Cr13 |
12 |
保护罩 |
ZG200-400 |
ZG200-400 |
316 |
密封面材料 |
堆焊Co基硬质合金 |
|||
弹簧全启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-ød |
DN' |
D1 |
K1 |
g3 |
g2 |
b1 |
f' |
f1' |
Z1-ød1 |
L |
L1 |
≈H |
A48Y |
20 |
15 |
105 |
75 |
55 |
16 |
2 |
4-14 |
25 |
115 |
85 |
65 |
16 |
2 |
4-14 |
110 |
95 |
411 |
||||
25 |
16 |
115 |
85 |
65 |
16 |
2 |
4-14 |
32 |
140 |
100 |
78 |
18 |
2 |
4-18 |
110 |
95 |
411 |
|||||
32 |
20 |
140 |
100 |
78 |
18 |
2 |
4-18 |
40 |
150 |
110 |
85 |
18 |
3 |
4-18 |
115 |
100 |
411 |
|||||
40 |
25 |
150 |
110 |
85 |
18 |
3 |
4-18 |
50 |
165 |
125 |
100 |
20 |
3 |
4-18 |
120 |
110 |
472 |
|||||
50 |
32 |
165 |
125 |
100 |
20 |
3 |
4-18 |
65 |
185 |
145 |
120 |
20 |
3 |
4-18 |
135 |
120 |
532 |
|||||
65 |
40 |
185 |
145 |
120 |
20 |
3 |
4-18 |
80 |
200 |
160 |
135 |
20 |
3 |
8-18 |
160 |
140 |
556 |
|||||
80 |
50 |
200 |
160 |
135 |
20 |
3 |
8-18 |
100 |
220 |
180 |
155 |
22 |
3 |
8-18 |
170 |
135 |
561 |
|||||
100 |
65 |
220 |
180 |
155 |
20 |
3 |
8-18 |
125 |
250 |
210 |
185 |
22 |
3 |
8-18 |
195 |
175 |
667 |
|||||
125 |
80 |
250 |
210 |
185 |
22 |
3 |
8-18 |
150 |
285 |
240 |
210 |
24 |
3 |
8-23 |
210 |
190 |
857 |
|||||
150 |
100 |
285 |
240 |
210 |
24 |
3 |
8-23 |
175 |
310 |
270 |
240 |
26 |
3 |
8-23 |
255 |
230 |
915 |
|||||
200 |
125 |
340 |
295 |
265 |
26 |
3 |
12-23 |
250 |
405 |
355 |
320 |
30 |
3 |
12-26 |
300 |
260 |
1073 |
|||||
250 |
150 |
405 |
355 |
320 |
30 |
3 |
12-26 |
300 |
460 |
410 |
375 |
30 |
4 |
12-26 |
350 |
320 |
1307 |
|||||
300 |
220 |
460 |
410 |
375 |
30 |
4 |
12-26 |
400 |
580 |
525 |
485 |
36 |
4 |
型号
|
公称通径
|
do
|
D
|
K
|
g
|
g1
|
b
|
f
|
f1
|
Z-ød
|
DN'
|
D1
|
K1
|
g3
|
g2
|
b1
|
f'
|
f1'
|
Z1-ød1
|
L
|
L1
|
≈H
|
A48Y-16C
|
20
|
15
|
105
|
75
|
55
|
16
|
2
|
4-14
|
25
|
115
|
85
|
65
|
16
|
2
|
4-14
|
110
|
95
|
411
|
||||
25
|
16
|
115
|
85
|
65
|
16
|
2
|
4-14
|
32
|
140
|
100
|
78
|
18
|
2
|
4-18
|
110
|
95
|
411
|
|||||
32
|
20
|
140
|
100
|
78
|
18
|
2
|
4-18
|
40
|
150
|
110
|
85
|
18
|
3
|
4-18
|
115
|
100
|
411
|
|||||
40
|
25
|
150
|
110
|
85
|
18
|
3
|
4-18
|
50
|
165
|
125
|
100
|
20
|
3
|
4-18
|
120
|
110
|
472
|
|||||
50
|
32
|
165
|
125
|
100
|
20
|
3
|
4-18
|
65
|
185
|
145
|
120
|
20
|
3
|
4-18
|
135
|
120
|
532
|
|||||
65
|
40
|
185
|
145
|
120
|
20
|
3
|
4-18
|
80
|
200
|
160
|
135
|
20
|
3
|
8-18
|
160
|
140
|
556
|
|||||
80
|
50
|
200
|
160
|
135
|
20
|
3
|
8-18
|
100
|
220
|
180
|
155
|
22
|
3
|
8-18
|
170
|
135
|
561
|
|||||
100
|
65
|
220
|
180
|
155
|
20
|
3
|
8-18
|
125
|
250
|
210
|
185
|
22
|
3
|
8-18
|
195
|
175
|
667
|
|||||
125
|
80
|
250
|
210
|
185
|
22
|
3
|
8-18
|
150
|
285
|
240
|
210
|
24
|
3
|
8-23
|
210
|
190
|
857
|
|||||
150
|
100
|
285
|
240
|
210
|
24
|
3
|
8-23
|
175
|
310
|
270
|
240
|
26
|
3
|
8-23
|
255
|
230
|
915
|
|||||
200
|
125
|
340
|
295
|
265
|
26
|
3
|
12-23
|
250
|
405
|
355
|
320
|
30
|
3
|
12-26
|
300
|
260
|
1073
|
|||||
250
|
150
|
405
|
355
|
320
|
30
|
3
|
12-26
|
300
|
460
|
410
|
375
|
30
|
4
|
12-26
|
350
|
320
|
1307
|
|||||
300
|
220
|
460
|
410
|
375
|
30
|
4
|
12-26
|
400
|
580
|
525
|
485
|
36
|
4
|
