Danfoss NVD 462 Data sheet

Data sheet

PED 97/23/CE

Non return Valve - Danfoss NVD 462

Description

Features:

• Operates in any position

• Silent, reliable sealing, compact

• Exceptional robustness

• Notch provided for cable to submerged
pumps up to DN 100

• Closing system : long back axial guiding

• Sealing guaranteed by O-ring.

• Return spring

• Body with integrated one-arm guide

Main Data:

• DN 50 - 200

• kVS 69 - 1031 m3/h

• PN 16 (10)

• Medium:

- Circulation water, drinking water or chilled

glycolic water up to 50%

• Medium Temperature:

- 10 … 100 °C

• Flanged connection

• Compliance with Pressure Equipment
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.

Dimensions

16

PS (bar)

B

Code No.

16

16

06 5B748 5

D

DN

50 69

65 125 15 06 5B748 6

80 157 12 065 B7487

100 350 10 065 B7488

125 582 0.5 06 5B748 9

150 710 13 0.5 065B7490

200 1031 10 10 10 10 0.5 10 065B7491

Kv

(m3/h)

DN

50 150 165 6.7

65 170 18 5 9.3

80 180 200 10.9

100 190 220 14. 3

125 200 250 20.9

150 210 285 2 7.7

200 230 340 40.7

PN PFA (bar)

10/16 16

B

(mm)

D

(mm)

L1 L2 G1 G2

16

Weight

(kg)

© Danfoss | 2019.04 VD.BO.J2.02 | 1

Data sheet Danfoss NVD 462

FLOW GALLON/MIN

10

15

P

1000

2000

3000

4000

1500

5000

6000

7000

9000

Design

Pos. Description Material EURO ANSI

1 Casing Cast iron EN-GJ L-25 0 ASTMA4835B

2 Ring Bronze CuSn5Zn5Pb2-C −

3 Spring Stainless steel X10 CrNi18 -8 AISI 420

4 O-ring EPDM − −

Cloasing

5

sistem

6 Steam Bronze CuSn5Zn5Pb2-C −

7 O-ring EPDM − −

Brass CuZn39Pb2 −

Headloss diagram

DN

50

Opening pressure

(mm)

Kv

(m3/h)

69 2.1

65 125 1.8

80 157 2.65

100 350 1.3

125 582 1.15

between

50 and 200

150 710 1.6

200 1031 2.4

Direction for use :

• Solid line : Valve completely open

• Dotted line : opening stage of valve

PSI

M/CE

10

8
7
6

8

5

7
6

4

5

3

4

3

2

1.5

2

1

.8
.7

1

.6
.5

.4

.3

.2

.15

M/WC

3456 8

DN

10

ζ

50

65

10015 20 25 30 40 50 60 80 1000200 300 400 600

80

100

125

150

200

1500

2500

DEBIT M3/H

10 15 20 30 40 50

60 80

100

150

200

300

250

800

500

700

400

600

© Danfoss | DHS-SRMT/SI | 2019.042 | VD.BO.J2.02