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SFA48Y高温安全阀适用于工作温度C型≤425°C；I型≤500°C；V型≤500°C；的蒸汽等介质设备或管路上，作为超压保护装置。连接法兰标准按JB/T……94系列1、系列2。
高温安全阀(电站用)主要零部件材料
|
NO. |
零件名称 |
C型材料 |
I型材料 |
V型材料 |
|
1 |
阀体 |
WCB |
ZG1Cr5Mo |
ZG15Cr1Mo1V |
|
2 |
阀座 |
2Cr13 |
1Cr18Ni9Ti |
12Cr1MoVA |
|
3 |
调节圈 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni9Ti |
|
4 |
阀瓣 |
2Cr13 |
17-4PH |
17-7PH |
|
5 |
导向套 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni9Ti |
|
6 |
散热器 |
ZG230-450 |
ZG230-450 |
ZG230-450 |
|
7 |
阀盖 |
ZG230-450 |
ZG230-450 |
ZG230-450 |
|
8 |
弹簧 |
50CrVA |
50CrVA |
50CrVA |
高温安全阀(电站用)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 |
g3 |
g2 |
b1 |
f |
f1 |
z1-?d1 |
L |
L1 |
≈H |
|
SFA48Y-16C
SFA48Y-16I
SFA48Y-16V |
40 |
25 |
150 |
110 |
|
85 |
18 |
3 |
|
4-18 |
50 |
165 |
125 |
|
100 |
20 |
3 |
|
4-18 |
120 |
115 |
540 |
|
50 |
32 |
165 |
125 |
|
100 |
20 |
3 |
|
4-18 |
65 |
185 |
145 |
|
120 |
20 |
3 |
|
4-18 |
135 |
120 |
618 |
|
65 |
40 |
185 |
145 |
|
120 |
20 |
3 |
|
4-18 |
80 |
200 |
160 |
|
135 |
20 |
3 |
|
8-18 |
160 |
140 |
710 |
|
80 |
50 |
200 |
160 |
|
135 |
20 |
3 |
|
8-18 |
100 |
220 |
180 |
|
155 |
22 |
3 |
|
8-18 |
160 |
150 |
730 |
|
100 |
65 |
220 |
180 |
|
155 |
20 |
3 |
|
8-18 |
150 |
285 |
240 |
|
210 |
24 |
3 |
|
8-23 |
225 |
175 |
892 |
|
150 |
100 |
285 |
240 |
|
210 |
24 |
3 |
|
8-23 |
200 |
340 |
295 |
|
265 |
26 |
3 |
|
12-23 |
240 |
235 |
1135 |
|
200 |
125 |
340 |
295 |
|
265 |
26 |
3 |
|
12-23 |
250 |
405 |
355 |
|
320 |
30 |
3 |
|
12-26 |
290 |
210 |
1135 |
|
SFA48Y-40
SFA48Y-40I
SFA48Y-40V |
25 |
16 |
115 |
85 |
58 |
65 |
16 |
2 |
4 |
4-14 |
32 |
140 |
100 |
|
78 |
18 |
2 |
|
4-18 |
110 |
95 |
429 |
|
32 |
20 |
140 |
100 |
66 |
78 |
18 |
2 |
4 |
4-18 |
40 |
150 |
110 |
|
85 |
18 |
3 |
|
4-18 |
115 |
100 |
421 | |
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