"Times New Roman"">本阀门适用于工作温度“C "Times New Roman"">型”≤425℃；“I mso-hansi-font-family:"Times New Roman"">型”≤500℃；“V mso-hansi-font-family:"Times New Roman"">型”≤500℃；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 mso-hansi-font-family:"Times New Roman"">、系列2
mso-hansi-font-family:"Times New Roman"">二、主要零部件材料 "Times New Roman"">：
|
NO |
mso-hansi-font-family:"Times New Roman"">零件名称 |
C型材料 |
I型材料 |
V型材料 |
|
1 |
mso-hansi-font-family:"Times New Roman"">阀体 |
WCB |
ZG1Cr5Mo |
ZG15Cr1MoV |
|
2 |
mso-hansi-font-family:"Times New Roman"">阀座 |
2Cr13 |
1Cr18Ni9Ti |
12Cr1MoVA |
|
3 |
mso-hansi-font-family:"Times New Roman"">调节阀 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni9Ti |
|
4 |
mso-hansi-font-family:"Times New Roman"">阀瓣 |
2Cr13 |
17-4PH |
17-4PH |
|
5 |
mso-hansi-font-family:"Times New Roman"">导向套 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni9Ti |
|
6 |
mso-hansi-font-family:"Times New Roman"">散热器 |
ZG230-450 |
ZG230-450 |
ZG230-450 |
|
7 |
mso-hansi-font-family:"Times New Roman"">阀盖 |
ZG230-450 |
ZG230-450 |
ZG230-450 |
|
8 |
mso-hansi-font-family:"Times New Roman"">弹簧 |
50CrVA |
50CrVA |
50CrVA |
mso-hansi-font-family:"Times New Roman"">三、YFA48Y "Times New Roman"">高温高压安全阀外形尺寸和连接尺寸：
|
mso-hansi-font-family:"Times New Roman"">型号 |
mso-hansi-font-family:"Times New Roman"">公称通径 |
do |
D |
K |
g |
g1 |
b |
f |
f1 |
Z-φd |
DN |
D1 |
K1 |
g3 |
g2 |
b1 |
f |
f1 |
Zr-φd1 |
L |
L1 |
≈H |
|
YFA48Y-16C |
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 |