206
Flow control
Edition 04/23
NDVP
Type H
1
H
2
h B l L D G Weight
[kg]
NDVP-DN6 59 64 16 41,5 9,5 35 24 Pg 7 0,20
NDVP-DN8 72 79 20 46 12 47,5 29 Pg 11 0,40
NDVP-DN10 78 84 25 51 14 51 29 Pg 11 0,60
NDVP-DN12 89 100 25 57,5 22,5 75 38 Pg 16 1,00
NDVP-DN16 103 11 3 30 70 19,5 93,5 38 Pg 16 1,50
NDVP-DN20 142 154 45 76,5 31,5 111 49 Pg 29 3,40
NDVP-DN25 142 154 45 100 49 143 49 Pg 29 5,15
NDVP-DN30 147 159 50 115 39 171 49 Pg 29 7,50
Materials 1A 18
Body Steel Steel
O-rings NBR FPM
Tmin / Tmax -20°C / 100°C -20°C / 100°C
MATERIAL CODE DESCRIPTION
AVAILABLE SIZES
DN6 - DN30 (1/4“ to 1 1/4“)
Flow control valve for manifold mounting
Steel
ACCESSORIES ON REQUEST
• Panel mounting kit
GENERAL DIMENSIONS
page 217
PORTING PATTERN
207
Flow control
Edition 04/23
NDVPFlow control valve for manifold mounting
Steel
Type b l
1
l
2
l
3
l
4
l
5
d
1
d
2
h
1
d
3
d
4
t
d
5
Dimension of
screws (min)
(1)
Torque
of screws
in Nm
(1)
O-ring
NDVP-DN6 28,5 8 19 - 1,5 16 5 9,8 1,2 6,5 10,5 6,8 3 4 x M6x20 - 8.8 9 6,35x1,78
NDVP-DN8 33,5 6,5 35 - 4,5 25,5 7 12,4 1,5 6,5 10,5 6,8 4 4 x M6x25 - 8.8 9 8,5x2
NDVP-DN10 38 8,5 33,5 - 4,2 25,5 10 15,7 1,4 6,5 10,5 6,8 5 4 x M6x30 - 10.9 12 12x2
NDVP-DN12 44,5 18,5 38 - 4 30 13 18,7 1,4 6,5 10,5 6,8 6 4 x M6x30 - 12.9 14 15x2
NDVP-DN16 54 8,5 76 38 11 54,5 17 23,9 2 8,5 13,5 9 8 6 x M8x35 - 10.9 30 19x2,5
NDVP-DN20 60 8 95 47,5 19 57 22 30,5 2,2 8,5 13,5 9 13,5 6 x M8x50 - 12.9 35 25x3
NDVP-DN25 76 11 120,5 60 21 79,5 28,5 37,5 2,2 10,5 16,5 11 13,5 6 x M10x50 - 12.9 70 32x3
NDVP-DN30 92 15 143 71,5 24 95 35 43,5 2,2 13 19 13 13,5 6 x M12x60 - 10.9 100 38x3
ASSEMBLY DIMENSIONS
PN
[bar]
1A 18
350 33580* 37734*
350 13850* 37735*
350 20313* 37736*
350 16776* 37737*
350 13852* 37738*
350 33218* 22728*
350 31132* 37739*
350 32561* 37740*
ASSEMBLY DIMENSIONS
ORDER CODE PER
MATERIAL COMBINATION
(1)
Fixing screws not included.
We recommend screws as per ISO4762 (DIN 912). The indicated property classes and
torquesrepresentourrecommendedguidelinesatafrictioncoefcientof14%.
*Article usually in stock.
O-rings
included
Flow control valves should not be used as shut-off device. Small leakage rates may
occur in fully closed position. (DIN EN 12266 – leakage rate A-B – test medium water)
!
212
Flow control
Edition 04/23
NDV, NDRV, NDVP, NDRVPFlow characteristics
The ow values are valid for hydraulic oil (spissitude 880 kg/m
3
) and the kinematic viscosity v of 35 mm
2
/s.
NDV/NDRV/NDVP/NDRVP-DN6
∆p (bar)
Q(l/min)
NDV/NDRV/NDVP/NDRVP-DN8
∆p (bar)
Q(l/min)
NDV/NDRV/NDVP/NDRVP-DN10
∆p (bar)
Q(l/min)
NDV/NDRV/NDVP/NDRVP-DN12
∆p (bar)
Q(l/min)
handle turns - the higher the number,
the wider open the valve
handle turns - the higher the number,
the wider open the valve
handle turns - the higher the number,
the wider open the valve
handle turns - the higher the number,
the wider open the valve
213
Flow control
Edition 04/23
NDV, NDRV, NDVP, NDRVPFlow characteristics
NDRV/NDRVP-DN6 - DN40
Q(l/min)
∆p (bar)
NDV/NDRV/NDVP/NDRVP-DN20/25/30/40
∆p (bar)
Q(l/min)
The ow values are valid for hydraulic oil (spissitude 880 kg/m
3
) and the kinematic viscosity v of 35 mm
2
/s.
NDV/NDRV/NDVP/NDRVP-DN16
∆p (bar)
Q(l/min)
Flow direction: B-A
∆p characteristic line free ow through check valve
handle turns - the higher the number,
the wider open the valve
handle turns - the higher the number,
the wider open the valve