Danfoss CP721-3 Technical Information

Shuttle Valves Technical Information

154 SUS (33 cSt) hyd. oil @ 100° F (38° C)

psi bar

1

3

2

1

3

2

spool overlap = Cspool overlap = O

Hot Oil Shuttle
CP721-3

OPERATION

SPECIFICATIONS

DIMENSIONS

mm [in]

This valve has an internally piloted spool
that directs ow from the lower pressure
inlet, 1 or 3, to the output at 2.

Theoretical performance

203

14

174

12

145

10

116

8

87

6

Press ure drop

58

4

2

29

0

40 60 80 100

20L/min

5.3US gal/min

Flow

10.6 15.9 21.1 26.4

Cross-sectional view

Schematic

Specications

Rated pressure 350 bar [5075 psi]

Rated ow at 7 bar

[100 psi]
Leakage 82 cm³/min [5 in³/min] @

Weight 0.34 kg [0.75 lb]

Cavity CP12-3M

90 l/min
[24 US gal/min]

207 bar [3000 psi]

ORDERING
INFORMATION

h 1.25 in

68-75 N.m

1-1/16-12 UN

1

2

93.5

[3.68]

3

t

[50-55 lbf.ft]

25.4

[1.00]

CP721-3-B-12S-100-C

Seals

Seal kit
B=Buna-N 120098
V=Viton 120099

Housing and ports Housing P/N

0=No Housing No Housing
4B = AL, 1/2 BSP CP12-3M-4B
6B = AL, 3/4 BSP CP12-3M-6B

10S = AL, #10 SAE CP12-3M-10S

12S = AL, #12 SAE CP12-3M-12S
S12S=Ductile, #12 SAE CP12-3M-S12S
Other housings available

Spool overlap

O= Open

C= Closed

Shift pressure

bar[psi]
025=1.6[25]
050=3.4[50]
100=6.9[100]

BC332375309103en-000101 • February 2020

SH - 12