Data sheet
Non return Valve - Danfoss NVD 462
Description |
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Features: |
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• Operates in any position |
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• Silent, reliable sealing, compact |
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Exceptional robustness |
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• Notch provided for cable to submerged |
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pumps up to DN 100 |
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• Closing system : long back axial guiding |
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• Sealing guaranteed by O-ring. |
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Return spring |
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• Body with integrated one-arm guide |
Main Data:
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DN 50 - 200 |
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kVS 69 - 1031 m3/h |
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PN 16 (10) |
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Medium: |
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- Circulation water, drinking water or chilled |
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glycolic water up to 50% |
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Medium Temperature: |
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- 10 … 100 °C |
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Flanged connection |
• Compliance with Pressure Equipment |
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Directive 2014/68/EU |
• Face-to-face dimensions according to EN558-1 14 series
• Approvals:
Ordering
Note:
The indicated pressure for the different categories of fluids (L1/ L2/G1/G2) is under no condition a guarantee of use.
Therefore, it is essential to validate the use of products under given operating conditions.
DN |
Kv |
PN |
PFA (bar) |
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PS (bar) |
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Code No. |
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(m3/h) |
L1 |
L2 |
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G1 |
G2 |
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50 |
69 |
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16 |
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065B7485 |
65 |
125 |
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15 |
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065B7486 |
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80 |
157 |
10/16 |
16 |
16 |
16 |
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12 |
16 |
065B7487 |
100 |
350 |
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10 |
065B7488 |
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125 |
582 |
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0.5 |
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065B7489 |
150 |
710 |
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13 |
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0.5 |
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065B7490 |
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200 |
1031 |
10 |
10 |
10 |
10 |
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0.5 |
10 |
065B7491 |
Dimensions
DN |
B |
D |
Weight |
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(mm) |
(mm) |
(kg) |
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50 |
150 |
165 |
6.7 |
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65 |
170 |
185 |
9.3 |
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<![if ! IE]> <![endif]>B |
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80 |
180 |
200 |
10.9 |
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100 |
190 |
220 |
14.3 |
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125 |
200 |
250 |
20.9 |
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150 |
210 |
285 |
27.7 |
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200 |
230 |
340 |
40.7 |
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D |
© Danfoss | 2019.04 |
VD.BO.J2.02 | 1 |
Data sheet |
Danfoss NVD 462 |
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Design |
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Pos. |
Description |
Material |
EURO |
ANSI |
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1 |
Casing |
Cast iron |
EN-GJL-250 |
ASTMA4835B |
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2 |
Ring |
Bronze |
CuSn5Zn5Pb2-C |
− |
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3 |
Spring |
Stainless steel |
X10CrNi18-8 |
AISI 420 |
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4 |
O-ring |
EPDM |
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− |
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5 |
Cloasing |
Brass |
CuZn39Pb2 |
− |
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sistem |
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6 |
Steam |
Bronze |
CuSn5Zn5Pb2-C |
− |
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7 |
O-ring |
EPDM |
− |
− |
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Headloss diagram
DN |
Opening pressure |
Kv |
ζ |
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(mm) |
(m3/h) |
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50 |
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69 |
2.1 |
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65 |
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125 |
1.8 |
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80 |
between |
157 |
2.65 |
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100 |
350 |
1.3 |
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50 and 200 |
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125 |
582 |
1.15 |
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150 |
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710 |
1.6 |
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200 |
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1031 |
2.4 |
Direction for use :
•Solid line : Valve completely open
•Dotted line : opening stage of valve
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P |
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<![if ! IE]> <![endif]>PSI |
<![if ! IE]> <![endif]>M/CE |
<![if ! IE]> <![endif]>M/WC |
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DN |
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<![if ! IE]> <![endif]>50 |
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<![if ! IE]> <![endif]>65 |
<![if ! IE]> <![endif]>80 |
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<![if ! IE]> <![endif]>100 |
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<![if ! IE]> <![endif]>125 150 |
<![if ! IE]> <![endif]>200 |
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15 |
10 |
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10 |
7 |
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7 |
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6 |
4 |
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2 |
1.5 |
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1 |
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.8 |
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1 |
.7 |
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.6 |
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.5 |
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.4 |
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.3 |
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.2 |
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.15 |
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3 |
4 |
5 |
6 |
8 |
10 |
15 |
20 |
25 30 |
40 |
50 60 |
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80 |
100 |
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200 |
300 |
400 |
600 |
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1000 |
1500 |
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2500 |
DEBIT M3/H |
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10 |
15 |
20 |
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30 |
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50 60 |
80 |
<![if ! IE]> <![endif]>100 |
<![if ! IE]> <![endif]>150 |
<![if ! IE]> <![endif]>200 |
<![if ! IE]> <![endif]>250 |
<![if ! IE]> <![endif]>300 |
<![if ! IE]> <![endif]>400 |
<![if ! IE]> <![endif]>500 |
<![if ! IE]> <![endif]>600 |
<![if ! IE]> <![endif]>700 800 |
<![if ! IE]> <![endif]>1000 |
<![if ! IE]> <![endif]>1500 |
<![if ! IE]> <![endif]>2000 |
<![if ! IE]> <![endif]>2500 |
<![if ! IE]> <![endif]>3000 |
<![if ! IE]> <![endif]>4000 |
<![if ! IE]> <![endif]>5000 |
<![if ! IE]> <![endif]>6000 |
<![if ! IE]> <![endif]>7000 |
<![if ! IE]> <![endif]>9000 |
FLOW GALLON/MIN |
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2 | VD.BO.J2.02 |
© Danfoss | DHS-SRMT/SI | 2019.04 |