ZhengFeng Flanged Butterfly Valve is used in construction, chemical, pharmaceutical and other industries.



Product Scope: NPS 2” ~ NPS96” , 10bar ~ 16bar
Features:
Dual-way Sealing
Body Vulcanized Rubber,Reliable Sealing
Position Indication,Show the Open-Close Position
DesignStandard:BS EN593 / BS5155
Face to Face Dimensions:ISO 5752 / EN558 / BS5155
FlangeEnd Dimension :ANSI B16.1 / AWWA C207 / EN1092-2
Coating: Fusion Bonded Epoxy Coating
Inspection and Test:API 598 / ISO 5208 / EN 12226-2
Part |
Material |
EN Spec. |
Body |
Ductile Iron |
EN-JS1050 |
Disc |
Ductile Iron Stainless Steel 420 Stainless Steel 431 |
EN-JS1050 BS970 420S37 BS970 431S29 |
Stem
|
Stainless Steel 420 Stainless Steel 431 |
BS970 420S37 BS970 431S29 |
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 |
14 |
L |
mm |
108 |
112 |
114 |
127 |
140 |
140 |
152 |
165 |
178 |
190 |
L1 |
mm |
153 |
153 |
153 |
153 |
153 |
153 |
250 |
250 |
230 |
230 |
H1 |
mm |
85 |
95 |
100 |
115 |
125 |
143 |
170 |
200 |
223 |
270 |
H2 |
mm |
170 |
175 |
180 |
218 |
232 |
258 |
350 |
410 |
470 |
530 |
|
|
|
|
|
|
|
|
|
|
|
|
NPS |
In |
16 |
18 |
20 |
24 |
28 |
32 |
36 |
40 |
48 |
56 |
L |
mm |
216 |
222 |
229 |
287 |
292 |
318 |
330 |
410 |
470 |
530 |
L1 |
mm |
290 |
290 |
320 |
320 |
350 |
620 |
655 |
655 |
655 |
655 |
H1 |
mm |
300 |
340 |
355 |
410 |
478 |
530 |
585 |
657 |
800 |
955 |
H2 |
mm |
610 |
690 |
770 |
860 |
950 |
980 |
1000 |
1050 |
1190 |
1390 |
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