Check Valves Flanged End
Check ValvesFlanged End are used mostly to prevent the medium from flowing back in the piping system. Check valves only allow the medium to flow in one direction, and when the medium flows in, the disc of check valves swings off the seat to allow forward flow and when the flow stops, the disc swings back onto the seat to block reverse flow.
Check Valve Flange TypeEnd Technical Specifications
|
Class |
Nominal diameter |
Unit |
Main connection dimension |
|||||||
|
Inch |
DN |
L |
D |
D1 |
D2 |
b |
z-∅d |
H |
||
|
150Lb (2.0Mpa) |
2" |
50 |
mm |
203 |
152 |
92 |
4 - 19 |
161 |
||
|
2-1/2" |
65 |
mm |
216 |
178 |
105 |
4 - 19 |
175 |
|||
|
3" |
80 |
mm |
241 |
190 |
127 |
4 - 19 |
190 |
|||
|
4" |
100 |
mm |
292 |
229 |
157 |
8 - 19 |
203 |
|||
|
5" |
125 |
mm |
330 |
254 |
216 |
186 |
8 - 22 |
229 |
||
|
6" |
150 |
mm |
356 |
279 |
216 |
8 - 22 |
257 |
|||
|
8" |
200 |
mm |
495 |
343 |
270 |
29 |
8 - 22 |
292 |
||
|
10" |
250 |
mm |
622 |
406 |
362 |
324 |
12 - 25.4 |
355 |
||
|
12" |
300 |
mm |
698 |
483 |
432 |
381 |
12 - 25.4 |
398 |
||
|
14" |
250 |
mm |
787 |
533 |
413 |
12 - 29 |
460 |
|||
|
16" |
400 |
mm |
864 |
597 |
470 |
37 |
16 - 29 |
495 |
||
|
18" |
450 |
mm |
978 |
635 |
578 |
533 |
16 - 32 |
520 |
||
|
20" |
500 |
mm |
978 |
698 |
635 |
584 |
20 - 32 |
590 |
||
|
24" |
600 |
mm |
1295 |
813 |
692 |
20 - 35 |
650 |
|||
Features and Benefits of Check Valves Flanged End
protect pumps and other equipment from damage caused by backflow
effective in preventing water hammer
lower maintenance costs; fewer moving parts
superior performance and reliability in a wide range of applications
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