Danfoss CP211-2 Technical Information
Relief Valves Technical Information
10.6US gal/min
21.1 31.7 42.3 52.8
Ad
[300-1500]
[400-3000]
[400-5000]
Housing and po
O
Pilot Operated
CP211-2
OPERATION
SPECIFICATIONS
DIMENSIONS
1-1/16-12 UN
1
2
45.7
[1.80]
This valve relieves from 1 to 2 and is a pilot operated spool type relief.
Theoretical performance Schematic
psi bar
4,351
3,626
2,901
2,176
1,450
154 SUS (33 cSt) hyd. oil @ 100° F (38° C)
300
250
200
150
Press ure drop
100
Specications
50
725
0
40L/min
80 120 160 200
Flow
Rated pressure 350 bar [5075 psi]
Rated ow 190 l/min [50 US gal/min]
Leakage 82 cm³/min [5 in³/min] @
207 bar [3000 psi]
Weight 0.17 kg [0.37 lb]
Cavity CP12-2
Cross-sectional view
h 1.25 in
t
Type A
adjustment
Type F
adjustment
37.1
[1.46]
57.9
[2.28]
68-75 N.m
[50-55 lbf.ft]
Type E
adjustment
Type K
adjustment
max.
ORDERING
INFORMATION
Seals Seal kit
B=Buna-N 120017
V=Viton 120018
0=No Housing No Housing
4B =Al, 1/2 BSP CP12-2-4B
6B =Al, 3/4 BSP CP12-2-6B
10S=Al, #10 SAE CP12-2-10S
12S=Al,#12 SAE CP12-2-12S
ther housings available
justment option
A= Internal
E= External
F= Tamper resistant
K= Knob
rtsHousing P/N
BC332375370104en-000101 • February 2020
CP211-2-B-12S-A-C - 150
Crack pressure
Code x 10 = psi
Example: 150 = 1500 psi
Pressure range
A= 14-69 [200-800]
Standard 28 [400]
B= 14-103
Standard 69 [1000]
C= 28-207
Standard 103 [1500]
D= 28-345
Standard 103 [1500]
bar [psi]
RV - 21
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