Application
Product Scope: NPS 2” ~ NPS12” , 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
·Use Three-Digit Security Code to Open/Close Valve
·Not Need Special Tools
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” ~ NPS12” , 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
·Use Three-Digit Security Code to Open/Close Valve
·Not Need Special Tools
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 |
|
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 |
405 |
460 |
|
b |
mm |
19 |
19 |
19 |
19 |
19 |
19 |
20 |
22 |
24.5 |
|
D1 |
mm |
125 |
145 |
160 |
180 |
210 |
240 |
295 |
355 |
410 |
|
mm |
4-φ19 |
4-φ19 |
8-φ19 |
8-φ19 |
8-φ19 |
8-φ23 |
12-φ23 |
12-φ28 |
12-φ28 |
|
|
D2 |
mm |
99 |
118 |
132 |
156 |
184 |
211 |
266 |
319 |
370 |
|
H |
mm |
235 |
260 |
300 |
345 |
395 |
443 |
560 |
665 |
770 |
|
D0 |
mm |
200 |
200 |
200 |
200 |
225 |
280 |
330 |
385 |
385 |