Designed for mobile and industrial hydraulic circuits, this poppet-style check valve handles flow rates up to 30 litres per minute and is built to withstand pressures up to 350 bar (5,000 psi). The Danfoss / Eaton Integrated Hydraulics 4SK303S3 belongs to the Vickers 4SK30 Series, a line recognized for high operational efficiency and low spring settings that reduce backpressure losses in demanding duty cycles.
Suited for use in harvesters, refuse haulers, and a broad range of mobile and industrial hydraulic systems, this valve offers reliable non-return flow control where consistent performance under variable load conditions is required. The poppet construction supports positive sealing and long service life in high-cycle applications.
SKU: 401AA00017A
Supplier Part Number (MPN): 401AA00017A
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Specifications
Alternate Part Numbers
Alternate Part NumberMINO-00569X51155
Application
Harvesters, refuse haulers, mobile and industrial applications
Brand
Danfoss – Hydraulics
Brand
Danfoss Power Solutions
Pack Size
1.00
UOM
EA
Features
350 bar (5000 psi) & 227 L/min (60 USgpm)|High operational efficiency|Low spring settings
Flow Rate1
30 litre per minute
ICC
SICV Check Valves
Language
English
Net Pack Quantity Units
EA
Product Width
1.25
Special Features
None
Style
Poppet
Sub Brand
Vickers
Supplier Part Number
401AA00017A
Product Weight
0.39 lbs
Product Questions & Answers (2)
Question by: Keith A on Feb 20, 2026, 12:20 PM
Flow rate on this one says 30 litres per minute, but the features mention 227 L/min. Which number actually applies to this valve?
Answer by: Customer Support on Feb 21, 2026, 9:52 PM
The 30 litre per minute figure is the rated flow for this specific valve, the 4SK303S3. The 227 L/min and 350 bar figures you're seeing in the features section reflect the broader 4SK30 Series ceiling, meaning that's the upper range the series can handle across all its variants, not what this particular unit is rated for. So for sizing and circuit planning, go with 30 L/min for the 4SK303S3.
Question by: Rick S on Oct 17, 2025, 12:00 PM
What kind of flow rate can this handle, roughly?
Answer by: Customer Support on Oct 19, 2025, 6:58 AM