ZhengFeng Resilient Wedge Gate Valve is used for various fluid transportation engineering.



Product Scope: NPS 2” ~ NPS40” , 10bar ~ 25bar
Features:
Reliable Three “O”-Rings Sealing,On-Line Changing
Body without Gate Slot, no Impurities Filling up
Zero Leakage under 1.5 Times Nominal Pressure or 0.02mpa
DesignStandard:BS 5150 / EN 1171 / AWWA C509
Face to Face Dimensions:ISO 5752 / EN558-1 / ASME B16.10
FlangeEnd Dimension :EN1092-2 / ASME B16.10
Coating: Fusion Bonded Epoxy Coating
Inspection and Test:API 598 / ISO 5208 / EN 12226-2
Part |
Material |
EN Spec. |
Body |
Ductile Iron |
EN-JS1050 |
Bonnet |
Ductile Iron |
EN-JS1050 |
Disc |
EPDM Coated Di |
EN-JS1050 |
Stem
|
Stainless Steel 420 Stainless Steel 431 |
BS970 420S37 BS970 431S29 |
O-Ring |
EPDM / NBR |
Commercial |
Hand Wheel |
Ductile Iron |
EN-JS1050 |
For materials options not listed,consult factory. ZhengFeng manufactures valves in more than 50 different alloys. |
NPS |
In |
2 |
2 1/2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
L |
mm |
178 |
190 |
203 |
229 |
254 |
267 |
292 |
330 |
356 |
D |
mm |
165 |
185 |
200 |
220 |
250 |
285 |
340 |
400 |
455 |
K |
mm |
125 |
145 |
160 |
180 |
210 |
240 |
295 |
355 |
410 |
d |
mm |
99 |
118 |
132 |
156 |
184 |
211 |
266 |
319 |
370 |
C |
mm |
19 |
19 |
19 |
19 |
19 |
19 |
20 |
22 |
24.5 |
n-φ |
mm |
4-19 |
4-19 |
8-19 |
8-19 |
8-19 |
8-23 |
12-23 |
12-28 |
12-28 |
H(max) |
mm |
400 |
425 |
475 |
575 |
650 |
700 |
850 |
1025 |
1125 |
|
|
|
|
|
|
|
|
|
|
|
NPS |
In |
14 |
16 |
18 |
20 |
24 |
28 |
32 |
36 |
40 |
L |
mm |
381 |
406 |
432 |
457 |
508 |
610 |
660 |
711 |
811 |
D |
mm |
520 |
580 |
640 |
715 |
840 |
910 |
1025 |
1125 |
1255 |
K |
mm |
470 |
525 |
585 |
650 |
770 |
840 |
950 |
1050 |
1170 |
d |
mm |
429 |
480 |
503 |
548 |
609 |
720 |
820 |
928 |
1028 |
C |
mm |
26.5 |
28 |
30 |
31.5 |
36 |
39.5 |
43 |
46.5 |
50 |
n-φ |
mm |
16-28 |
16-31 |
20-31 |
20-34 |
20-37 |
24-37 |
24-41 |
28-41 |
28-44 |
H(max) |
mm |
1150 |
1275 |
1350 |
1500 |
1700 |
1800 |
2000 |
2400 |
2500 |
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