产品详细:
A48Y型适用于工作温度≤350℃的蒸汽、空气等介质的设备和管路上。A44Y适用于工作温度≤300℃的空气、石油等介质的设备或管路上，作为超压保护装置.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。
主要零件材料：
|
NO. |
零件名称 |
A48Y-C A44Y-C 材料 |
A44Y-P材料 |
A44Y-R材料 |
|
1 |
阀体 |
WCB |
ZG1Cr18Ni9Ti |
CF8M |
|
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 |
主要外形尺寸：
|
型号 |
公称通径 |
do |
D |
K |
g |
g1 |
b |
f |
f1 |
Z-?d |
DN’ |
D1 |
K1 |
g3 |
g2 |
b1 |
f’ |
f1’ |
Z1-?d1 |
L |
L1 |
≈H |
|
A48Y-16C A44Y-16C A44Y-16P A44Y-16R |
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 |
/ |
16-30 |
370 |
350 |
1233 |
|
350 |
250 |
520 |
470 |
/ |
435 |
34 |
4 |
/ |
16-26 |
500 |
715 |
650 |
/ |
608 |
44 |
4 |
/ |
20-34 |
500 |
450 |
1711 |
|
400 |
280 |
580 |
525 |
/
|
485 |
36 |
4 |
/
|
16-30 |
500 |
715 |
650 |
/
|
608 |
44 |
4 |
/
|
20-34 |
500 |
450 |
1780 |
|
A48Y-25
A44Y-25
A44Y-25P A44Y-25R |
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 |
22 |
3 |
/ |
8-18 |
80 |
200 |
160 |
/ |
135 |
20 |
3 |
/ |
8-18 |
160 |
140 |
556 |
|
80 |
50 |
200 |
160 |
/
|
135 |
22 |
3 |
/
|
8-18 |
100 |
220 |
180 |
/
|
155 |
22 |
3 |
/
|
8-18 |
170 |
135 |
561 |
|
100 |
65 |
230 |
190 |
/ |
160 |
24 |
3 |
/ |
8-23 |
125 |
250 |
210 |
/ |
185 |
22 |
3 |
/ |
8-18 |
195 |
175 |
667 |
|
125 |
80 |
270 |
220 |
/ |
188 |
28 |
3 |
/ |
8-26 |
150 |
285 |
240 |
/ |
210 |
24 |
3 |
/ |
8-23 |
210 |
190 |
857 |
|
150 |
100 |
300 |
250 |
/
|
218 |
30 |
3 |
/
|
8-26 |
175 |
310 |
270 |
/
|
240 |
26 |
3 |
/
|
8-23 |
255 |
230 |
915 |
|
200 |
125 |
360 |
310 |
/ |
278 |
34 |
3 |
/ |
12-26 |
250 |
405 |
355 |
/ |
320 |
30 |
3 |
/ |
12-26 |
300 |
260 |
1073 |
|
250 |
150 |
425 |
370 |
/ |
332 |
36 |
3 |
/ |
12-30 |
300 |
460 |
410 |
/ |
375 |
30 |
4 |
/ |
12-26 |
350 |
320 |
1307 |
|
300 |
220 |
485 |
430 |
/ |
390 |
40 |
4 |
/ |
16-30 |
400 |
580 |
525 |
/ |
485 |
36 |
4 |
/ |
16-30 |
370 |
350 |
1233 |
|
350 |
250 |
555 |
490 |
/
|
448 |
44 |
4 |
/
|
16-34 |
500 |
715 |
650 |
/
|
608 |
44 |
4 |
/
|
20-34 |
500 |
450 |
1711 |
|
400 |
280 |
620 |
550 |
/ |
505 |
48 |
4 |
/ |
16-36 |
500 |
715 |
650 |
/ |
608 |
44 |
4 |
/ |
20-34 |
500 |
450 |
1780 |
A48Y型适于温度≤350℃的蒸汽、空气等介质的设备和管晤上,作为超压保护装置,当设备和管路内压力超过允许值时,阀门自动开启,继而全量排放;当压力降低到规定值时,回门自动关闭,保证设备和管路的安全运行。