Danfoss CP452-2 Technical Information

Pilot Operated Check Valves Technical Information

11

14

17

20

Other Housings available

Reverse Pilot to Open
CP452-2

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

free flow

8

6

Press ure drop

4

2

0

pilot open

40L/min

10.6US gal/min

21.1 31.7 42.3 52.8

80 120 160 200

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 0.29 kg [0.64 lb]

Pilot ratio 3:1

Cavity SDC16-3S

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

greater return spring.

130 l/min

[34 US gal/min]

Rated pressure

1-5/16-12 UN-2A

ht1.50 in

1

2

ORDERING
INFORMATION

Seal Option

Code Seal Material Seal kit

B Buna 120033
V Viton 120034

Housings & Ports

0: Cartridge Only

6B: 3/4 BSP, AL

8B: 1 BSP, AL

12S: #12 SAE, AL

16S: #16 SAE, AL

54.6

[2.15]

3

12.7

[0.50]

CP452-2 - B - 16S

Housing P/N

No Housing

CP16-3S-6B/2B

CP16-3S-8B/2B

CP16-3S-12S/4S

CP16-3S-16S/4S

122-136 N.m

[90-100 lbf.ft]

-

-

065

0

Piston Seals

Code

0

S

Crack Pressure

Code

065

No seals

Seals Included

bar [psi]

4.48 [65]

BC332375625108en-000101 • February 2020

PO - 13