Danfoss CP410-1 Technical Information

Pilot Operated Check Valves Technical Information

Catalog HIC

CP410-1

OPERATION	This is a dual pilot operated check valve,
	which uses two CV10-NP check valves.
SPECIFICATIONS	Theoretical performance
				Pressure drop
	psi	bar	26 cSt [121 SUS] hyd.oil at 50ƱC [122 ƱF]
	150	10
		8
	100						1-2
		6
	50	4
		2
	0	0	15	30	45	60	75	90	l/min
		0	4	8	12	16	20	24	US gal/min

Schematic

Specifications

Rated pressure	210 bar [3000 psi]
Rated flow at 7 bar	80 l/min
[100 psi]	[21.1 US gal/min]
Leakage	6 drops/min @
	Rated pressure
Weight	0.67 kg [1.48 lb]
Pilot ratio	4:1
Cavity	none

Note: A piston seal requires a 4.5 bar [65 psi] or greater return spring.

DIMENSIONS

mm [in]

Cross-sectional view

		63.5		31.8
		[2.50]
				[1.25]
	19.1	31.8	15.9
	[0.75]	[1.25]	[0.63]
				V1
	C1		38.1
		57.2	[1.50]
	95.3	[2.25]
		130.5
	[3.75]		76.2
		[5.13]
		114.3	[3.00]
	8.6	[4.50]
	[0.34]
	C2			V2
	7.9	47.8
	[0.31]	[1.88]

ORDERING

INFORMATION

CP410 - 1 - B - 8S - 0 - 065

Seals

Seal kit

W/ piston seals

B

= Buna-N

120072

120176

V

= Viton

120161

120177

Housing and ports

Housing P/N

6S

=

Aluminum, #6 SAE

220099

8S

=

Aluminum, #8 SAE

220100

3B

=

Al, 3/8 BSP

221794

4B

=

Al, 1/2 BSP

221652

BC332375625108en-000101 • February 2020

Crack
Pressure
bar	[psi]
065 = 4.50	[65]

Piston seals

0 = No seals

S = Seals included

PO - 20