Basic parameters:
Brand Name：SICH
Place of Origin：Fujian, China
Model Number：YQFX4-16Q
Connection：Flange
Sealing testing pressure：16 bar
Available Size：DN50--DN600
Body Material：Ductile QT450
Working pressure：1-2.5MPa
Applicable temperature：0℃-- 80℃
Material：Ductile Iron
Product Description:
Product Description
Check valve are generally used in chemical, energy, water engineering and other fields, especially in fire-fighting pools (boxes), which can ensure that the effective volume is fully utilized and improve the effective utilization of fire-fighting pools. Reduce dead water areas and achieve land saving requirements. During rescue, fire water can be used to the maximum extent.
Features:
- Flange End :ANSI150LB/GB Standard /BS Standard;
- Steam Material :2CR13 /Stainless Steel;
- Bonnet Material :Ductile Iron ,QT450;
- Body Material :Ductile Iron ,QT450;
- Seal Material :Ductile Iron ,QT450,NBR
- Surface Finishing :Epoxy Red or Blue
- Working Pressure ：10/16 Bar
Technical parameter:
Product Standards
| Flange Standard |
ANSI150LB/GB Standard /BS Standard; |
| Media |
Direct drinking water, drinking water,
water, sewage, oil, weak acid |
| Temperature |
0--120℃ |
| Mateial |
SS304,cast steel,cast iron |
| Pressure calss |
1.0/1.6/2.5Mpa |
| Use standard |
B.S.4504 |
| Standard |
GB/T17219 |
Main performance and parameters
| Working pressure |
PN10 / PN16 / PN25/150 LB / 10K / 16K |
| Size |
DN50--DN600 2''~24'' |
| Temperature |
0~80℃ |
| Media |
Water |
| Standard |
GB / JIS / ANSI / BSEN / ISO / DIN |
| Pressure testing |
GB/T 13927-2008 |
The dimensions of the swirl preventer comply with regulation 9.35 of the EU standard EN.12845.
| Size (DN) |
65 |
80 |
100 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
| Top plate diameter |
230 |
230 |
420 |
620 |
820 |
1020 |
1220 |
1220 |
1220 |
1350 |
1350 |
| Installation height Hmin |
365 |
365 |
460 |
560 |
660 |
760 |
860 |
860 |
860 |
925 |
925 |
| Minimum submerged depth A |
100 |
100 |
100 |
100 |
100 |
100 |
100 |
100 |
100 |
100 |
100 |
| Min distance from inlet to pool bottom B |
80 |
80 |
100 |
100 |
150 |
200 |
200 |
300 |
300 |
350 |
350 |
| Minimum allowable water level in the tank C |
180 |
180 |
200 |
200 |
250 |
300 |
300 |
400 |
400 |
450 |
450 |
| Pipe size (DN) |
65 |
80 |
100 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
Check valve
height G |
PN10 |
94 |
94 |
114 |
116 |
166 |
216 |
216 |
316 |
320 |
370 |
370 |
| PN16 |
94 |
94 |
114 |
116 |
166 |
216 |
216 |
316 |
320 |
370 |
370 |
| PN25 |
94 |
94 |
114 |
120 |
170 |
222 |
222 |
324 |
326 |
376 |
376 |
| E |
PN10 |
185 |
200 |
220 |
285 |
340 |
395 |
445 |
505 |
565 |
615 |
670 |
| PN16 |
185 |
200 |
220 |
285 |
340 |
405 |
460 |
520 |
580 |
640 |
715 |
| PN25 |
185 |
200 |
235 |
300 |
360 |
425 |
485 |
555 |
620 |
670 |
730 |
| F |
PN10 |
145 |
160 |
180 |
240 |
295 |
350 |
400 |
460 |
515 |
565 |
620 |
| PN16 |
145 |
160 |
180 |
240 |
295 |
355 |
410 |
470 |
525 |
585 |
650 |
| PN25 |
145 |
160 |
190 |
250 |
310 |
370 |
430 |
490 |
550 |
600 |
660 |
| M thread size |
PN10 |
M16 |
M16 |
M16 |
M20 |
M20 |
M20 |
M20 |
M20 |
M24 |
M24 |
M24 |
| PN16 |
M16 |
M16 |
M16 |
M20 |
M20 |
M20 |
M20 |
M20 |
M24 |
M24 |
M24 |
| PN25 |
M16 |
M16 |
M20 |
M24 |
M24 |
M27 |
M27 |
M30 |
M33 |
M33 |
M33 |
| Thread hole qty n |
4 |
