風機安全閥AF4QH-10C 用于風機系統，作為超壓保護裝置。
主要零部件材料
| Name of parts |
Body, Bonnet |
Nozzle, disc |
Spring |
| Materials |
WCB |
2Cr13 |
50CrVA |
| 外形尺寸和連接尺寸 Dimensions (mm) |
Nominal pressure
PN |
Nominal diameter
DN(mm) |
Dimensions |
| D |
D1 |
D2 |
b |
f |
Z- d |
D3 |
H |
PN1.0MPa
(PN10bar) |
40 |
145 |
110 |
85 |
16 |
3 |
4-18 |
100 |
250 |
| 50 |
160 |
125 |
100 |
16/18 |
3 |
4-18 |
115 |
272 |
| 65 |
180 |
145 |
120 |
18 |
3 |
4-18 |
140 |
285 |
| 80 |
195 |
160 |
135 |
20 |
3 |
4-18 |
172 |
296 |
| 100 |
215 |
180 |
155 |
20 |
3 |
8-18 |
212 |
425 |
| 125 |
245 |
210 |
185 |
22 |
3 |
8-18 |
254 |
450 |
| 150 |
280 |
240 |
210 |
22 |
3 |
8-23 |
280 |
480 |
| AF4QH-10C 型安全閥排量 Discharge capacity of AF4QH-10Ctype safety valve |
DN
(mm) |
Set pressure Pk, MPa |
| 0.02 |
0.03 |
0.04 |
0.05 |
0.06 |
0.07 |
0.08 |
0.09 |
0.10 |
0.11 |
0.12 |
0.13 |
0.14 |
0.15 |
0.16 |
0.17 |
0.18 |
0.19 |
0.20 |
| Relieving pressure Pd MPa |
| 0.021 |
0.032 |
0.042 |
0.053 |
0.063 |
0.074 |
0.084 |
0.095 |
0.105 |
0.116 |
0.126 |
0.137 |
0.147 |
0.158 |
0.168 |
0.179 |
0.189 |
0.200 |
0.210 |
| Discharge capacity Qd, m 3/min |
| 40 |
5.5 |
6.8 |
7.6 |
8.6 |
9.4 |
10 |
11 |
12 |
12 |
13 |
13 |
14 |
15 |
15 |
16 |
16 |
17 |
18 |
18 |
| 50 |
9 |
11 |
12 |
14 |
15 |
16 |
18 |
19 |
20 |
21 |
22 |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 |
| 80 |
22 |
27 |
30 |
34 |
37 |
40 |
43 |
46 |
48 |
51 |
53 |
55 |
58 |
60 |
63 |
65 |
68 |
70 |
72 |
| 100 |
37 |
45 |
51 |
58 |
63 |
68 |
73 |
77 |
81 |
85 |
89 |
93 |
94 |
102 |
106 |
110 |
114 |
118 |
122 |
| 125 |
56 |
68 |
77 |
88 |
95 |
103 |
110 |
116 |
122 |
128 |
134 |
140 |
142 |
154 |
160 |
166 |
172 |
178 |
184 |
| 150 |
88 |
108 |
120 |
136 |
150 |
160 |
172 |
183 |
192 |
202 |
211 |
222 |
231 |
241 |
250 |
261 |
270 |
280 |
290 |
| 200 |
137 |
169 |
188 |
213 |
234 |
275 |
269 |
285 |
300 |
316 |
331 |
347 |
361 |
377 |
391 |
407 |
422 |
438 |
453 |
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