A44Y、A48Y锅炉专用安全阀适用于工作温度≤350℃的蒸汽、空气等介质的设备或管路上。作为超压保护装置。
主要零部件材料:
NO |
零件名称 |
材料 |
1 |
阀体 |
WCB |
2 |
阀座 |
ZG2Cr13 |
3 |
调节圈 |
ZG2Cr13 |
4 |
阀瓣 |
2Cr13 |
5 |
导向套 |
2Cr13 |
6 |
阀盖 |
ZG230-450 |
7 |
弹簧 |
50CrVA |
8 |
阀杆 |
2Cr13 |
9 |
扳手 |
ZG200-400 |
10 |
调整螺杆 |
45 |
11 |
保护罩 |
ZG200-400 |
|
密封面材料 |
"H"堆焊D507,"Y"堆焊Co基硬质合金 |
主要连接尺寸
型号 |
公称通径 |
do |
D |
K |
g |
g1 |
b |
f |
f1 |
Z-ød |
f |
L |
L1 |
H |
A48Y-16C A44Y-16C A44Y-16P A44Y-16R |
20 |
15 |
105 |
75 |
|
55 |
16 |
2 |
|
4-14 |
2 |
110 |
95 |
411 |
25 |
16 |
115 |
85 |
|
65 |
16 |
2 |
|
4-14 |
2 |
110 |
95 |
411 |
32 |
20 |
140 |
100 |
|
78 |
18 |
2 |
|
4-18 |
3 |
115 |
100 |
411 |
40 |
25 |
150 |
110 |
|
85 |
18 |
3 |
|
4-18 |
3 |
120 |
110 |
472 |
50 |
32 |
165 |
125 |
|
100 |
20 |
3 |
|
4-18 |
3 |
135 |
120 |
532 |
65 |
40 |
185 |
145 |
|
120 |
20 |
3 |
|
4-18 |
3 |
160 |
140 |
556 |
80 |
50 |
200 |
160 |
|
135 |
20 |
3 |
|
8-18 |
3 |
170 |
135 |
561 |
100 |
65 |
220 |
180 |
|
155 |
20 |
3 |
|
8-18 |
3 |
195 |
175 |
667 |
125 |
80 |
250 |
210 |
|
185 |
22 |
3 |
|
8-18 |
3 |
210 |
190 |
857 |
150 |
100 |
285 |
240 |
|
210 |
24 |
3 |
|
8-23 |
3 |
255 |
230 |
915 |
200 |
125 |
340 |
295 |
|
265 |
26 |
3 |
|
12-23 |
3 |
300 |
260 |
1073 |
250 |
150 |
405 |
355 |
|
320 |
30 |
3 |
|
12-26 |
4 |
350 |
320 |
1307 |
300 |
220 |
460 |
410 |
|
375 |
30 |
4 |
|
12-26 |
4 |
370 |
350 |
1233 |
350 |
250 |
520 |
470 |
|
435 |
34 |
4 |
|
16-26 |
4 |
500 |
450 |
1711 |
400 |
280 |
580 |
525 |
|
485 |
36 |
4 |
|
16-30 |
4 |
500 |
450 |
1780 |
A48Y-25 A44Y-25 A44Y-25P A44Y-25R |
20 |
15 |
105 |
75 |
|
55 |
16 |
2 |
|
4-14 |
2 |
110 |
95 |
411 |
25 |
16 |
115 |
85 |
|
65 |
16 |
2 |
|
4-14 |
2 |
110 |
95 |
411 |
32 |
20 |
140 |
100 |
|
78 |
18 |
2 |
|
4-18 |
3 |
115 |
100 |
411 |
40 |
25 |
150 |
110 |
|
85 |
18 |
3 |
|
4-18 |
3 |
120 |
110 |
472 |
50 |
32 |
165 |
125 |
|
100 |
20 |
3 |
|
4-18 |
3 |
135 |
120 |
532 |
65 |
40 |
185 |
145 |
|
120 |
22 |
3 |
|
8-18 |
3 |
160 |
140 |
556 |
80 |
50 |
200 |
160 |
|
135 |
22 |
3 |
|
8-18 |
3 |
170 |
135 |
561 |
100 |
65 |
230 |
190 |
|
160 |
24 |
3 |
|
8-23 |
3 |
195 |
175 |
667 |
125 |
80 |
270 |
220 |
|
188 |
28 |
3 |
|
8-26 |
3 |
210 |
190 |
857 |
150 |
100 |
300 |
250 |
|
218 |
30 |
3 |
|
8-26 |
3 |
255 |
230 |
915 |
200 |
125 |
360 |
310 |
|
278 |
34 |
3 |
|
12-26 |
3 |
300 |
260 |
1073 |
250 |
150 |
425 |
370 |
|
332 |
36 |
3 |
|
12-30 |
4 |
350 |
320 |
1307 |
300 |
220 |
485 |
430 |
|
390 |
40 |
4 |
|
16-30 |
4 |
370 |
350 |
1233 |
350 |
250 |
555 |
490 |
|
448 |
44 |
4 |
|
16-34 |
4 |
500 |
450 |
1711 |
400 |
280 |
620 |
550 |
|
505 |
48 |
4 |
|
16-36 |
4 |
500 |
450 |
1780 |
主要连接尺寸
A48Y-40 A44Y-40 A44Y-40P A44Y-40R
|
20
|
15
|
105
|
75
|
51
|
55
|
16
|
2
|
4
|
4-14
|
2
|
110
|
95
|
411 |
25
|
16
|
115
|
85
|
58
|
65
|
16
|
2
|
4
|
4-14
|
2
|
110
|
95
|
411 |
32
|
20
|
140
|
100
|
66
|
78
|
18
|
2
|
4
|
4-18
|
3
|
115
|
100
|
411 |
40
|
25
|
150
|
110
|
76
|
85
|
18
|
3
|
4
|
4-18
|
3
|
120
|
110
|
472 |
50
|
32
|
165
|
125
|
88
|
100
|
20
|
3
|
4
|
4-18
|
3
|
135
|
120
|
532 |
65
|
40
|
185
|
145
|
110
|
120
|
22
|
3
|
4
|
8-18
|
3
|
160
|
140
|
556 |
80
|
50
|
200
|
160
|
121
|
135
|
22
|
3
|
4
|
8-18
|
3
|
170
|
135
|
561 |
100
|
65
|
235
|
190
|
150
|
160
|
24
|
3
|
4.5
|
8-23
|
3
|
195
|
175
|
697 |
125
|
80
|
270
|
220
|
176
|
188
|
28
|
3
|
4.5
|
8-26
|
3
|
210
|
190
|
857 |
150
|
100
|
300
|
250
|
204
|
218
|
30
|
3
|
4.5
|
8-26
|
3
|
255
|
230
|
915 |
200
|
125
|
375
|
320
|
260
|
282
|
38
|
3
|
4.5
|
12-30
|
3
|
300
|
260
|
1073 |
250
|
150
|
450
|
385
|
313
|
345
|
42
|
3
|
4.5
|
12-34
|
4
|
350
|
320
|
1307 |
300
|
220
|
515
|
450
|
364
|
408
|
46
|
4
|
4.5
|
16-34
|
4
|
370
|
350
|
1233 |
350
|
250
|
580
|
510
|
422
|
465
|
52
|
4
|
5
|
16-36
|
4
|
500
|
450
|
1711 |
400
|
280
|
660
|
585
|
474
|
535
|
58
|
4
|
5
|
16-41
|
4
|
500
|
450
|
1711 |
A48Y-64 A44Y-64 A44Y-64P A44Y-64R
|
20
|
10
|
125
|
90
|
51
|
68
|
22
|
2
|
4
|
4-18
|
2
|
96
|
85
|
297 |
25
|
16
|
140
|
100
|
58
|
78
|
22
|
2
|
4
|
4-18
|
2
|
110
|
100
|
310 |
32
|
20
|
155
|
110
|
66
|
82
|
24
|
2
|
4
|
4-23
|
3
|
130
|
110
|
322 |
40
|
25
|
170
|
125
|
76
|
95
|
24
|
3
|
4
|
4-23
|
3
|
135
|
120
|
352 |
50
|
32
|
180
|
135
|
88
|
105
|
26
|
3
|
4
|
4-23
|
3
|
155
|
135
|
425 |
65
|
40
|
205
|
160
|
110
|
130
|
28
|
3
|
4
|
8-23
|
3
|
175
|
160
|
570 |
80
|
50
|
215
|
170
|
121
|
140
|
30
|
3
|
4
|
8-23
|
3
|
175
|
160
|
560 |
100
|
65
|
250
|
200
|
150
|
168
|
32
|
3
|
4.5
|
8-26
|
3
|
195
|
195
|
690 |
150
|
100
|
345
|
280
|
204
|
240
|
38
|
3
|
4.5
|
8-34
|
3
|
280
|
265
|
935 |
A48Y-100 A44Y-100 A44Y-100P A44Y-100R
|
20
|
10
|
125
|
90
|
51
|
68
|
22
|
2
|
4
|
4-18
|
3
|
96
|
85
|
297 |
25
|
16
|
140
|
100
|
58
|
78
|
24
|
2
|
4
|
4-18
|
2
|
110
|
100
|
310 |
32
|
20
|
155
|
110
|
66
|
82
|
24
|
2
|
4
|
4-23
|
2
|
130
|
110
|
322 |
40
|
25
|
170
|
125
|
76
|
95
|
26
|
3
|
4
|
4-23
|
3
|
135
|
120
|
352 |
50
|
32
|
195
|
145
|
88
|
112
|
28
|
3
|
4
|
4-26
|
3
|
155
|
135
|
425 |
65
|
32
|
220
|
170
|
110
|
138
|
32
|
3
|
4
|
8-26
|
3
|
175
|
160
|
570 |
80
|
40
|
230
|
180
|
121
|
148
|
34
|
3
|
4
|
8-26
|
3
|
175
|
160
|
560 |
100
|
50
|
265
|
210
|
150
|
172
|
38
|
3
|
4.5
|
8-30
|
3
|
195
|
195
|
690 |
150
|
80
|
355
|
290
|
204
|
250
|
46
|
3
|
4.5
|
12-34
|
3
|
280
|
265
|
935 |