Danfoss VR 12 Technical Information

Flow Control Valves Technical Information

US gal/min

1

2

NCS12/2-DG-1/2
NCS12/2-DG-3/4

NCS12/2-DG-12S

Orific

Adjustable, Restrictive Type
VR 12

OPERATION

SPECIFICATIONS

DIMENSIONS

mm in

This valve is a limited adjustment,
pressure compensated, restrictive-type
ow control valve. To increase the ow,
turn the adjustment screw clockwise. To
decrease the ow, turn the adjustment
screw counter-clockwise.

Theoretical performance

l/min
80

18

60

16

12

40

8

flow

20

4

0

bar

psi

26 cSt [125 SUS] hyd.oil @ 20° C [68° F]

0

45 180 270

0

0900 1800 2700

90 135 225 315

pressure

4500

Cross-sectional view

Schematic

Specications

Rated pressure 315 bar [4500 psi]

Max regulated ow 60 l/min

[16 US gal/min]

Weight 0.44 kg [0.97 lb]

Cavity NCS12/2

ORDERING
INFORMATION

Adjustment

E = Internal screw
EN = External screw
M = Handwheel

BC332375569107en-000101 • February 2020

VR 12 - EN-1.25 - 00 -V

e size

mm L/min [US gal/m]

1.50 =2.5-6.5 [0.7-1.7]

2.50 = 6-16 [1.6-4.2]

4.00 = 16-40 [4.2-10.6]

5.00 = 25-60 [6.6-15.8]

Seals

V =Viton
Omit = Buna-N

Housing and portsHousing P/N

00 =No Housing No Housing
DG1/2=AL,1/2 BSP
DG3/4=AL, 3/4 BSP
DG8S =AL, #8 SAE NCS12/2-DG-8S
DG12S= AL,#12 SAE
Other housings available

Seal kit

230000470

230000120

FC - 24