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ZhengFeng Wafer Butterfly Valve(New) is used for gas pipelines and water course of light industry, electric power, petrochemical system.
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Product Scope: NPS 2” ~ NPS40” , 10bar ~ 25bar
Features:
Dual-way Sealing
Removable Rubber Sleeve,Easily Replaceable
Position Indication,Show the Open-Close Position
Not Need Special Flange
No Pin,Long Life Timer
DesignStandard：MSS SP-67 / API 609 / EN593 / BS5155
Face to Face Dimensions:API 609 / 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 |
|
O-Ring |
EPDM / NBR |
Commercial |
|
Handle |
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 |
|
A |
mm |
80 |
89 |
95 |
114 |
127 |
139 |
175 |
203 |
242 |
|
B |
mm |
161 |
175 |
181 |
200 |
213 |
226 |
260 |
292 |
337 |
|
C |
mm |
30 |
30 |
30 |
30 |
30 |
30 |
34 |
34 |
34 |
|
L |
mm |
42 |
45 |
45 |
51 |
55 |
55 |
60 |
67 |
76 |
|
|
|
|
|
|
|
|
|
|
|
|
|
NPS |
In |
14 |
16 |
18 |
20 |
24 |
28 |
32 |
36 |
40 |
|
A |
mm |
267 |
316 |
334 |
370 |
468 |
530 |
602 |
661 |
724 |
|
B |
mm |
368 |
400 |
422 |
480 |
562 |
626 |
666 |
722 |
706 |
|
C |
mm |
40 |
52 |
52 |
64 |
70 |
95 |
95 |
130 |
130 |
|
L |
mm |
76 |
102 |
114 |
127 |
151 |
165 |
167 |
203 |
216 |
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