Application
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
Design Standard：BS 5150 / EN 1171 / AWWA C509
Face to Face Dimensions:ISO 5752 / EN558-1 / ASME B16.10
Flange End Dimension :EN1092-2 / ASME B16.10
Coating: Fusion Bonded Epoxy Coating
Inspection and Test：API 598 / ISO 5208 / EN 12226-2
Application
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
Design Standard：BS 5150 / EN 1171 / AWWA C509
Face to Face Dimensions:ISO 5752 / EN558-1 / ASME B16.10
Flange End 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 |
|
Trim |
Stainless Steel 431 |
BS970 431S29 |
|
Seat |
Stainless Steel 431 |
BS970 431S29 |
|
Diaphragm |
EPDM |
Commercial |
|
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 |
|
L |
mm |
230 |
290 |
310 |
350 |
400 |
450 |
500 |
|
H1 |
mm |
106 |
132 |
140 |
151 |
179 |
218 |
236 |
|
H2 |
mm |
270 |
304 |
315 |
353 |
371 |
498 |
518 |
|
D |
mm |
165 |
185 |
200 |
220 |
250 |
285 |
340 |
|
K |
mm |
125 |
145 |
160 |
180 |
210 |
240 |
295 |
|
T |
mm |
19 |
19 |
19 |
49 |
19 |
19 |
20 |
|
n-φd |
mm |
4-φ19 |
4-φ19 |
8-φ19 |
8-φ19 |
8-φ19 |
8-φ23 |
8-φ23 |
|
Q |
m3/h |
0.8-12 |
4-29 |
5-41 |
6-65 |
9-90 |
18-120 |
40-180 |
|
Kv |
m3/h |
23 |
52.1 |
80.6 |
126 |
161.5 |
281.3 |
321.2 |
