Product Scope: NPS 2” ~ NPS20” , 10bar ~ 25bar
Features:·Accurate Differential Pressure Control
·Controls Maximum Flow Through Pumps
·Circulating Loop Flow Control
·Completely Automatic Operation
Face to Face Dimensions:AMSE B16.10
Flange End Dimension :AMSE B16.10
Coating: Fusion Bonded Epoxy Coating
Inspection and Test：API 598 / ISO 5208 / EN 12226-2
Application
Product Scope: NPS 2” ~ NPS20” , 10bar ~ 25bar
Features:·Accurate Differential Pressure Control
·Controls Maximum Flow Through Pumps
·Circulating Loop Flow Control
·Completely Automatic Operation
Face to Face Dimensions:AMSE B16.10
FlangeEnd Dimension :AMSE 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 420 Stainless Steel 431 |
BS970 420S37 BS970 431S29 |
|
Seat |
Stainless Steel 420 Stainless Steel 431 |
BS970 420S37 BS970 431S29 |
|
Diaphragm |
EPDM / NBR |
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 |
10 |
12 |
14 |
16 |
18 |
20 |
|
L |
mm |
205 |
216 |
260 |
320 |
362 |
415 |
500 |
605 |
725 |
787 |
787 |
864 |
914 |
|
D |
mm |
165 |
185 |
200 |
220 |
250 |
285 |
340 |
400 |
455 |
520 |
580 |
640 |
715 |
|
K |
mm |
125 |
145 |
160 |
180 |
210 |
240 |
295 |
355 |
410 |
470 |
525 |
585 |
650 |
|
d |
mm |
99 |
118 |
132 |
156 |
184 |
211 |
266 |
319 |
370 |
429 |
480 |
503 |
548 |
|
C |
mm |
19 |
19 |
19 |
19 |
19 |
19 |
20 |
22 |
24.5 |
26.5 |
28 |
30 |
31.5 |
|
n-φ |
mm |
4-19 |
4-19 |
8-19 |
8-19 |
8-19 |
8-23 |
12-23 |
12-28 |
12-28 |
16-28 |
16-31 |
20-31 |
20-34 |
|
H |
mm |
230 |
240 |
260 |
280 |
300 |
380 |
390 |
450 |
460 |
490 |
520 |
600 |
680 |
