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Danfoss / Eaton Integrated Hydraulics 4CK901S

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Description & Features

The Danfoss / Eaton Integrated Hydraulics 4CK901S, also branded as Vickers, is a SICV check valve designed for mobile and industrial applications, including harvesters and refuse haulers.

This poppet style check valve offers high operational efficiency and features low spring settings. It handles a flow rate of 90 liters per minute with a pressure rating up to 350 bar (5000 psi) and 227 L/min (60 USgpm).

SKU: 401AA00003A

Supplier Part Number (MPN): 401AA00003A

Specifications

Actuator Type
Pilot Operated
Body Material
Steel
Cavity
A12336
Connection Type
BSP
Dimensions
2.73 in L x 1.259 in W x 2.73 in H
Mounting Type
Screw-In
Nominal Size
1/2 in
Number of Ports/Ways
3-Way
Operator Type
Pilot Operated
Packing Material
Nitrile
Pilot Ratio
4:1
Seal Material
Nitrile
Seat Material
Nitrile
Series
4CK90 Series
Softgoods Material
Nitrile
Style
Poppet

Product Questions & Answers (2)

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Question by: Floyd M on May 11, 2025, 6:02 AM
Will this valve work good on a log splitter?
Answer by: Customer Support on May 13, 2025, 8:55 AM
This SICV check valve is suitable for mobile and industrial applications, which includes some hydraulic log splitters. You'll want to ensure that the 90 liters per minute flow rate and 350 bar (5000 psi) pressure rating are appropriate for your specific system.
Question by: Kurt M on Nov 14, 2025, 3:06 PM
runs 90 liters a minute, is that enough flow for a refuse hauler setup or would this be undersized for that kind of work?
Answer by: Customer Support on Nov 16, 2025, 6:30 AM
For refuse hauler applications, that flow capacity lines up well. The 4CK901S handles up to 227 L/min (60 USgpm) at peak, with a standard flow rate of 90 liters per minute, and it's specifically listed for refuse hauler use alongside harvesters and other mobile equipment. The 350 bar (5000 psi) pressure rating gives you solid headroom for the demands those systems put on a check valve.

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