Danfoss CP450-1 Technical Information

Pilot Operated Check Valves Technical Information

6

Pilot to Open
CP450-1

OPERATION

SPECIFICATIONS

DIMENSIONS

mm [in]

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

Theoretical performance

psi bar

203

174

145

116

87

58

29

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

14

12

10

8

6

Press ure drop

4

2

0

free flow

8L/min

2.1US gal/min

pilot open

16 24 32 40

Flow

4.26.3 8.5 10.

Cross-sectional view

Schematic

Specications

Rated pressure 240 bar [3480 psi]

Rated ow at 7 bar

[100 psi]

Leakage 6 drops/min @

Weight 0.09 kg [0.20 lb]

Pilot ratio 3.0:1

Cavity SDC10-3

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

greater return spring.

30 l/min

[8 US gal/min]

Rated pressure

ORDERING
INFORMATION

7/8-14 UNF-2A

h 1.00 in

41-47 N.m

1

2

3

47.5

[1.87]

t

[30-35 lbf.ft]

7.9

[0.31]

CP450-1-B-8S-015-0

Seals

Seal kit
B=Buna-N120570
V=Viton 120571

Body and ports

Body P/N

0=Cartridge No body
6S =Aluminum, #6 SAE CP10-3-6S
8S =Aluminum, #8 SAE CP10-3-8S

SE3B =Aluminum, 3/8 BSP SDC10-3-SE-3B
SE4B =Aluminum, 1/2 BSP SDC10-3-SE-4B

Piston seals

0=No seals
S=Seals included

Cracking
Pressure

bar[psi]
065=4.48 [65]
115=7.90 [115]
200=13.8 [200]
315=21.8 [315]

BC332375625108en-000101 • February 2020

PO - 8