Application / Purpose:
This valve is an automatic valve designed to prevent backflow of the medium. It is widely used in industries such as petroleum, chemical, metallurgy, power, and water supply.
| Performance Specification |
| Model |
Nominal Pressure (MPa) |
Shell Test Pressure (MPa) |
Seat Test Pressure (MPa) |
Operating Temperature (℃) |
Applicable Medium |
| HQ41X-16Q |
1.6 |
2.4 |
1.7 |
≤120 |
Water |
| Main Parts Materials |
| Part Name |
Material-HQ41X-16Q |
| Body, Bonnet |
Ductile Iron |
| Ball |
Carbon Steel + Rubber |
| Main Overall & Connection Dimensions |
| Model |
Nominal Diameter DN(mm) |
L(mm) |
D(mm) |
D1(mm) |
D2(mm) |
Z-Φd |
b-f |
| HQ41X-16Q |
50 |
186 |
155 |
125 |
100 |
4-Φ18 |
11.5-2 |
| HQ41X-16Q |
65 |
196 |
175 |
145 |
120 |
4-Φ18 |
12.5-2 |
| HQ41X-16Q |
80 |
225 |
190 |
160 |
135 |
8-Φ18 |
12.5-2 |
| HQ41X-16Q |
100 |
240 |
210 |
180 |
155 |
8-Φ18 |
13.5-2 |
| HQ41X-16Q |
125 |
288 |
245 |
210 |
185 |
8-Φ18 |
18.5-2 |
| HQ41X-16Q |
150 |
316 |
275 |
240 |
210 |
8-Φ23 |
19.5-2 |
| HQ41X-16Q |
200 |
395 |
330 |
295 |
265 |
12-Φ23 |
21-2.5 |
