Application / Purpose:
This valve is suitable for underground pipelines and is used as an on-off device.
| Performance Specification |
| Model |
Nominal Pressure (MPa) |
Hydrostatic Shell Test Pressure (MPa) |
Hydrostatic Seat Test Pressure (MPa) |
Operating Temperature (℃) |
Applicable Medium |
| SZA5T-10/16Q |
1.6 |
2.4 |
1.7 |
≤120 |
Steam, Water |
| Main Parts Materials |
| Part Name |
Body/Bonnet, Gate Wedge |
Valve Stem |
Gasket |
| Material |
Ductile Iron |
Stainless Steel |
EPDM |
| Main Overall & Connection Dimensions |
| Nominal Pressure (MPa) |
Nominal Diameter DN(mm) |
L(mm) |
D(mm) |
D1(mm) |
Z-Φd |
Center Height H(mm) |
| 1.6 |
50 |
178 |
158 |
125 |
4-Φ18 |
241 |
| 65 |
190 |
180 |
145 |
4-Φ18 |
270 |
| 80 |
203 |
196 |
160 |
8-Φ18 |
292 |
| 100 |
229 |
215 |
180 |
4-Φ18 |
333 |
| 125 |
254 |
250 |
210 |
8-Φ18 |
384 |
| 150 |
267 |
280 |
240 |
8-Φ23 |
420 |
| 200 |
292 |
336 |
295 |
12-Φ23 |
512 |
| 250 |
330 |
405 |
355 |
12-Φ25 |
602 |
| 300 |
356 |
460 |
410 |
12-Φ25 |
705 |
| 350 |
381 |
515 |
470 |
16-Φ25 |
782 |
| 400 |
406 |
580 |
525 |
16-Φ30 |
880 |
| 450 |
432 |
650 |
585 |
20-Φ30 |
980 |
| 500 |
457 |
670/715 |
650 |
20-Φ34 |
1055 |
| 600 |
508 |
780/810 |
770 |
20-Φ40 |
1260 |
| 800 |
660 |
1010 |
950 |
— |
1650 |
