A47H带扳手弹簧微启式安全阀
A47H带扳手弹簧微启式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。
应用范围
适用于工作温度≤350℃的蒸汽、空气等介质
标准规范
设计制造标准：
结构长度标准：GB/T 12221-2005
连接法兰标准：GB/T 9113
压力温度等级：GB/T 12224-2005
试验检验标准：GB/T 13927-2008
主要零件材料
|
NO |
零件名称 |
材料 |
|
1 |
阀体 |
WCB |
|
2 |
阀座 |
ZG2Cr13 |
|
3 |
调节圈 |
ZG2Cr13 |
|
4 |
反冲盘 |
ZG2Cr13 |
|
5 |
阀瓣 |
2Cr13 |
|
6 |
导向套 |
2Cr13 |
|
7 |
阀盖 |
ZG230-450 |
|
8 |
弹簧 |
50CrVA |
|
9 |
阀杆 |
2Cr13 |
|
10 |
扳手 |
ZG200-400 |
|
11 |
调整螺杆 |
45 |
|
12 |
保护罩 |
ZG200-400 |
|
密封面材料 |
"H"堆焊D507,"Y"堆焊Co基硬质合金 |
主要外形尺寸
|
型号 |
公称通径 |
do |
D |
K |
f |
f1 |
Z-ød |
DN’ |
D1 |
K1 |
g2 |
g’ |
b1 |
f’ |
f1’ |
Z1-ød1 |
L |
L1 |
≈H |
|
A47H-16C |
20 |
15 |
105 |
75 |
2 |
/ |
4-14 |
20 |
105 |
75 |
55 |
/ |
16 |
2 |
/ |
4-14 |
100 |
85 |
270 |
|
25 |
20 |
115 |
85 |
2 |
/ |
4-14 |
25 |
115 |
85 |
65 |
/ |
16 |
2 |
/ |
4-14 |
100 |
85 |
270 |
|
32 |
25 |
140 |
100 |
2 |
/ |
4-18 |
32 |
140 |
100 |
78 |
/ |
18 |
2 |
/ |
4-18 |
115 |
100 |
312 |
|
40 |
32 |
150 |
110 |
3 |
/ |
4-18 |
40 |
150 |
110 |
85 |
/ |
18 |
3 |
/ |
4-18 |
120 |
110 |
320 |
|
50 |
40 |
165 |
125 |
3 |
/ |
4-18 |
50 |
165 |
125 |
100 |
/ |
20 |
3 |
/ |
4-18 |
135 |
120 |
390 |
|
65 |
50 |
185 |
145 |
3 |
/ |
4-18 |
65 |
185 |
145 |
120 |
/ |
20 |
3 |
/ |
4-18 |
140 |
130 |
395 |
|
80 |
65 |
200 |
160 |
3 |
/ |
8-18 |
80 |
200 |
160 |
135 |
/ |
20 |
3 |
/ |
8-18 |
160 |
135 |
400 |
|
100 |
80 |
220 |
180 |
3 |
/ |
8-18 |
100 |
220 |
180 |
155 |
/ |
22 |
3 |
/ |
8-18 |
170 |
160 |
600 |
|
125 |
100 |
250 |
210 |
3 |
/ |
8-18 |
125 |
250 |
210 |
185 |
/ |
22 |
3 |
/ |
8-18 |
190 |
190 |
620 |
|
150 |
125 |
285 |
240 |
3 |
/ |
8-23 |
150 |
285 |
240 |
210 |
/ |
24 |
3 |
/ |
8-23 |
205 |
195 |
625 |
|
200 |
150 |
340 |
295 |
3 |
/ |
12-23 |
200 |
340 |
295 |
265 |
/ |
26 |
3 |
/ |
12-23 |
240 |
230 |
798 |
|
250 |
200 |
405 |
355 |
3 |
/ |
12-26 |
250 |
405 |
355 |
320 |
/ |
30 |
3 |
/ |
12-26 |
350 |
320 |
981 |
|
300 |
250 |
460 |
410 |
4 |
/ |
12-26 |
300 |
460 |
410 |
375 |
/ |
30 |
4 |
/ |
12-26 |
350 |
320 |
1005 |
|
A47H-25 |
20 |
15 |
105 |
75 |
2 |
/ |
4-14 |
20 |
105 |
75 |
55 |
/ |
16 |
2 |
/ |
4-14 |
100 |
85 |
270 |
|
25 |
20 |
115 |
85 |
2 |
/ |
4-14 |
25 |
115 |
85 |
65 |
/ |
16 |
2 |
/ |
4-14 |
100 |
85 |
270 |
|
32 |
25 |
140 |
100 |
2 |
/ |
4-18 |
32 |
140 |
100 |
78 |
/ |
18 |
2 |
/ |
4-18 |
115 |
100 |
312 |
|
40 |
32 |
150 |
110 |
3 |
/ |
4-18 |
40 |
150 |
110 |
85 |
/ |
18 |
3 |
/ |
4-18 |
120 |
110 |
320 |
|
50 |
40 |
165 |
125 |
3 |
/ |
4-18 |
50 |
165 |
125 |
100 |
/ |
20 |
3 |
/ |
4-18 |
135 |
120 |
390 |
|
65 |
50 |
185 |
145 |
3 |
/ |
8-18 |
65 |
185 |
145 |
120 |
/ |
20 |
3 |
/ |
4-18 |
140 |
130 |
395 |
|
80 |
65 |
200 |
160 |
3 |
/ |
8-18 |
80 |
200 |
160 |
135 |
/ |
20 |
3 |
/ |
8-18 |
160 |
135 |
400 |
|
100 |
80 |
230 |
190 |
3 |
/ |
8-23 |
100 |
220 |
180 |
155 |
/ |
20 |
3 |
/ |
8-18 |
170 |
160 |
600 |
|
125 |
100 |
270 |
220 |
3 |
/ |
8-26 |
125 |
250 |
210 |
185 |
/ |
22 |
3 |
/ |
8-18 |
190 |
190 |
620 |
|
150 |
125 |
300 |
250 |
3 |
/ |
8-26 |
150 |
285 |
240 |
210 |
/ |
24 |
3 |
/ |
8-23 |
205 |
195 |
625 |
|
200 |
150 |
360 |
310 |
3 |
/ |
12-26 |
200 |
340 |
295 |
265 |
/ |
26 |
3 |
/ |
12-23 |
240 |
230 |
798 |
|
250 |
200 |
425 |
370 |
3 |
/ |
12-30 |
250 |
405 |
355 |
320 |
/ |
30 |
3 |
/ |
12-26 |
350 |
320 |
981 |
|
300 |
250 |
485 |
430 |
4 |
/ |
16-30 |
300 |
460 |
410 |
375 |
/ |
30 |
4 |
/ |
12-26 |
350 |
320 |
1005 |
