Danfoss CP453-5 User guide

Pilot Operated Check Valves Technical Information

72.6

275

2

X

1

Pilot Port
SAE #4

64.1 [2.52]

57.2 [2.25]

1.875 in
217-231 N·m
[160-170 lbf·ft]

1 5/8-12 UN-2A

Seals

B = Buna-N 120011
V

Housing and po

O

Reverse Pilot to Open with Vent
CP453-5

OPERATION

SPECIFICATIONS

DIMENSIONS

mm [in]

This is a pilot-to-open check valve with
an external pilot connection.

Theoretical performance

33 cSt [154 SUS] hyd.oil @ 38°C [100° F]

psi bar

145 10

8116

87 6

458

29 2

00

l/min

US gal/min

14.5 29.1 43.6

2to1

1to2piloted open

165110550

220

58.1

Cross-sectional view

Schematic

Specications

Rated pressure 350 bar [5075 psi]

Rated ow at 7 bar

[100 psi]

Leakage 6 drops/min @

Weight 1.23 kg [2.71 lb]

Pilot ratio 4:1

Cavity SDC20-2

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

greater return spring.

250 l/min

[66 US gal/min]

Rated pressure

ORDERING
INFORMATION

BC332375625108en-000101 • February 2020

CP453-5-B-16S-4-065

Seal kit

Crack Pressure

bar [psi]

=Viton 120012

rtsHousing P/N

0=No Housing No Housing

065 = 4.3 65
100 = 6.9 100

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

Pilot ratio

4 = 4:1

ther housings available

PO - 16