Danfoss CP453-2 Technical Information

Pilot Operated Check Valves Technical Information

11

14

17

20

105.7

Seals

r[

Housing and po

Reverse Pilot to Open
CP453-2

OPERATION

SPECIFICATIONS

DIMENSIONS

mm [in]

This valve is a pilot-to-open check valve.

Theoretical performance

psi bar

3

4

5

6

87

58

29

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

14

12

10

8

6

Press ure drop

free flow

4

2

0

pilot open

80L/min

160 240 320 400

21.1US gal/min

42.3 63.4 84.5

Flow

Cross-sectional view

Schematic

Specications

Rated pressure 210 bar [3000 psi]

Rated ow at 7 bar

[100 psi]

Leakage 6 drops/min @

Weight 0.66 kg [1.46 lb]

Pilot ratio 3:1

Cavity CP20-3S

Note: A piston seal requires a 4.5 bar [65 psi] or

greater return spring.

230 l/min

[61 US gal/min]

Rated pressure

ORDERING
INFORMATION

1-5/8-12 UN-2A

1

2

3

79.5

[3.13]

Seal kit

B=Buna-N 120380
V=Viton 120381

rtsHousing P/N

0=No Housing No Housing

8B =Al, 1 BSP CP20-3S-8B/2B
10 1-1/4 10B=Al, BSP CP20-3S- B/2B
16S =Al, #16 SAE CP20-3S-16S/4S
20S =Al, #20 SAE CP20-3S-20S/4S

Other housings available

ht1.875 in

217-231 N.m

[160-170 lbf.ft]

16.8

[0.66]

CP453-2-B-20S-065-0

Piston seals

0=No seals
S=Seals included

Crack
Pressure

ba

065=4.48 [65]

psi]

BC332375625108en-000101 • February 2020

PO - 14