• The spring load design, reduces the water hammer, no
noise.
• Axial flow nozzle design, short stroke, quick close to the
seat.
• High quality spring, avoid the water hammer to damage
the pipeline.
• Can be installed in anyposition, including vertical with
flow up or down.
• Resilient seated sealing, zero leakage.
• Electrostatically applied Akzo Nobel epoxy powder
internally and externally
Applicable Standards:
Connection standard: BS EN 1092-2
Pressure test standard: BS EN 12266-2003
Face to face standard: BS EN558:2008
Technical Data:
Size: DN50~DN900(2″~36″)
Nominal pressure: PN 16
Temperature range: -5°C ~ 85°C
Suitable for: Water
Materials Specifications |
|
|
No. |
Component |
Material |
1 |
Body |
Ductile Iron JS1040 |
2 |
Seat |
Stainless Steel SS410 / SS316 |
3 |
Disc |
Stainless Steel SS410/ SS316 |
4 |
Sealing Ring |
EPDM |
5 |
Spring |
Stainless Steel SS304 / SS316 |
Spring Load Check Valve Dimensions - CVD6 |
|
|
|
|
|
|
|
|
|
Unit: mm |
|
|
|
|
|
|
|
|
|
Item |
Size |
DN |
D1 |
C |
L |
n-Ød |
K |
f |
Item |
1 |
2'' |
50 |
165 |
19 |
120 |
4-19 |
125 |
3 |
6.5 |
2 |
2 1/2" |
65 |
185 |
19 |
140 |
4-19 |
145 |
3 |
8.9 |
3 |
3" |
80 |
200 |
19 |
170 |
8-19 |
160 |
3 |
11.0 |
4 |
4" |
100 |
220 |
19 |
180 |
8-19 |
180 |
3 |
13.8 |
5 |
5" |
125 |
250 |
19 |
200 |
8-19 |
210 |
3 |
19.4 |
6 |
6" |
150 |
285 |
19 |
250 |
8-23 |
240 |
3 |
26.8 |
7 |
8" |
200 |
340 |
20 |
300 |
12-23 |
295 |
3 |
44.1 |
8 |
10" |
250 |
405 |
20 |
350 |
12-28 |
355 |
3 |
69.7 |
9 |
12" |
300 |
460 |
25 |
350 |
12-28 |
410 |
4 |
103.8 |
10 |
14" |
350 |
520 |
27 |
405 |
16-28 |
470 |
4 |
154.5 |
11 |
16" |
400 |
580 |
28 |
455 |
16-31 |
525 |
4 |
203.1 |
12 |
18" |
450 |
640 |
30 |
520 |
20-31 |
585 |
4 |
274.2 |
13 |
20" |
500 |
715 |
32 |
570 |
20-34 |
650 |
4 |
380.6 |
14 |
24" |
600 |
840 |
36 |
685 |
20-37 |
770 |
5 |
605.5 |
15 |
28" |
700 |
910 |
40 |
800 |
24-37 |
840 |
5 |
820.8 |
16 |
32" |
800 |
1025 |
43 |
910 |
24-40 |
950 |
5 |
1185.6 |
17 |
36" |
900 |
1125 |
47 |
1030 |
28-40 |
1050 |
5 |
1346.5 |