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1CEV30 Series Counterbalance Cartridge Valve, 1450-4000 PSI (Factory Setting At 3500.00), Screw Adjustment, 5:1 Pilot Ratio

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Description & Features

This Eaton Char-Lynn 1CEV30 Series Counterbalance Cartridge Valve provides static and dynamic load control by regulating flow in hydraulic actuators. The pressure-balanced valve is unaffected by back pressure, allowing service line reliefs to operate and enabling use in regenerative or proportional valve systems. It's suited for mobile and industrial applications, including harvesters and refuse haulers.

This screw-in cartridge valve requires a machined C-10-3S cavity for installation, and offers an adjustable range of 1450-4000 PSI, with a factory setting at 3500 PSI and a 5:1 pilot ratio.

SKU: 406AA02901A

Supplier Part Number (MPN): 406AA02901ASP

Alternate Part Numbers: 1CEV30-F-30S-5, C1MG52

Specifications

Adjustable Range
1450-4000
Adjustment Style
Screw
Application
Harvesters, refuse haulers, mobile and industrial applications
Control Ratio
5:1
Brand
Danfoss – Hydraulics
Brand
Danfoss Power Solutions
Pack Size
1.00
UOM
EA
Housing
None
Installation Type
Screw-in Cartridge
Leakage
0.25 cc/min
Maximum Load Induced Pressure
230
Maximum Relief Pressure
300
Number of Housing Ports
3
Number of Valve Ports
3
Preset Pressure
3500
Recommended Filtration Level
18/16/13 microns
Seal Material
Viton
Special Features
None
Style
Pilot assisted relief with check
Supplier Part Number
406AA02901A
Alternate Part Numbers
Alternate Part Number 1CEV30-F-30S-5, Alternate Part Number C1MG52
Product Weight
0.30 lbs

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1CEV30 Series Counterbalance Cartridge Valve, 1450-4000 PSI (Factory Setting At 3500.00), Screw Adjustment, 5:1 Pilot Ratio

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Product Questions & Answers (2)

Question by: Duane P on Oct 18, 2025, 4:35 PM
Will this valve work okay in a hydraulic system on a refuse truck?
Answer by: Customer Support on Oct 20, 2025, 6:27 AM
This counterbalance valve is suitable for mobile applications like refuse haulers, offering control for hydraulic actuators. Just make sure your system meets the recommended filtration level of ISO 18/13 or better to keep it running smoothly.
Question by: Kurt W on Nov 7, 2025, 8:16 AM
got a harvester that's been having runaway issues on the downstroke, wondering if this valve's 5:1 pilot ratio is the right call or if I should be looking at the 7:1 version
Answer by: Customer Support on Nov 8, 2025, 2:11 PM
For a harvester where the load shifts around a lot or where the machine structure has some flex to it, the 5:1 ratio is actually the better fit. The 7:1 is built more for situations where the load stays pretty steady throughout the cycle. If you're dealing with variable loads or any structural flex that could feed instability back into the circuit, the 5:1 gives you better control and is less likely to hunt or chatter during operation.